./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.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 a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:33:29,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:33:29,156 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:33:29,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:33:29,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:33:29,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:33:29,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:33:29,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:33:29,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:33:29,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:33:29,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:33:29,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:33:29,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:33:29,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:33:29,209 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:33:29,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:33:29,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:33:29,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:33:29,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:33:29,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:33:29,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:33:29,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:33:29,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:33:29,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:33:29,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:33:29,217 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:33:29,217 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:33:29,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:33:29,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:33:29,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:33:29,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:33:29,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:33:29,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:33:29,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:33:29,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:33:29,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:33:29,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:33:29,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:33:29,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:33:29,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:33:29,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:33:29,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:33:29,222 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:33:29,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:33:29,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 [2024-11-12 17:33:29,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:33:29,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:33:29,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:33:29,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:33:29,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:33:29,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2024-11-12 17:33:31,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:33:31,249 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:33:31,250 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2024-11-12 17:33:31,257 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d5942d3/5b629b0f59864c9fafbd3e8180f833c5/FLAG19c215db7 [2024-11-12 17:33:31,270 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d5942d3/5b629b0f59864c9fafbd3e8180f833c5 [2024-11-12 17:33:31,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:33:31,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:33:31,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:33:31,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:33:31,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:33:31,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660390b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31, skipping insertion in model container [2024-11-12 17:33:31,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:33:31,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:33:31,560 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:33:31,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:33:31,609 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:33:31,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31 WrapperNode [2024-11-12 17:33:31,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:33:31,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:33:31,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:33:31,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:33:31,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,655 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-12 17:33:31,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:33:31,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:33:31,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:33:31,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:33:31,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,675 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,693 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-12 17:33:31,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:33:31,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:33:31,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:33:31,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:33:31,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (1/1) ... [2024-11-12 17:33:31,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:33:31,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:31,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 17:33:31,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 17:33:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:33:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 17:33:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 17:33:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:33:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 17:33:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:33:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:33:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:33:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:33:31,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:33:31,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:33:32,192 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-12 17:33:32,193 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:33:32,211 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:33:32,212 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-12 17:33:32,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:33:32 BoogieIcfgContainer [2024-11-12 17:33:32,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:33:32,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:33:32,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:33:32,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:33:32,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:33:31" (1/3) ... [2024-11-12 17:33:32,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3a5f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:33:32, skipping insertion in model container [2024-11-12 17:33:32,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:33:31" (2/3) ... [2024-11-12 17:33:32,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3a5f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:33:32, skipping insertion in model container [2024-11-12 17:33:32,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:33:32" (3/3) ... [2024-11-12 17:33:32,226 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound20.c [2024-11-12 17:33:32,246 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:33:32,247 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-12 17:33:32,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:33:32,336 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;@19298115, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:33:32,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-12 17:33:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:33:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 17:33:32,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:32,351 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:32,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:32,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:32,359 INFO L85 PathProgramCache]: Analyzing trace with hash 2022069469, now seen corresponding path program 1 times [2024-11-12 17:33:32,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:32,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874566509] [2024-11-12 17:33:32,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:32,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:32,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:32,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:32,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:32,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:32,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:32,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874566509] [2024-11-12 17:33:32,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874566509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:33:32,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:33:32,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:33:32,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192051915] [2024-11-12 17:33:32,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:33:32,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:33:32,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:32,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:33:32,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:33:32,625 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:33:32,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:32,648 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2024-11-12 17:33:32,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:33:32,650 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-12 17:33:32,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:32,657 INFO L225 Difference]: With dead ends: 90 [2024-11-12 17:33:32,657 INFO L226 Difference]: Without dead ends: 39 [2024-11-12 17:33:32,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:33:32,664 INFO L435 NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:32,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:33:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-12 17:33:32,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-12 17:33:32,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:33:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2024-11-12 17:33:32,705 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2024-11-12 17:33:32,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:32,706 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-11-12 17:33:32,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:33:32,707 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-12 17:33:32,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 17:33:32,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:32,708 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:32,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:33:32,709 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:32,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:32,710 INFO L85 PathProgramCache]: Analyzing trace with hash -2112941475, now seen corresponding path program 1 times [2024-11-12 17:33:32,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:32,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380198143] [2024-11-12 17:33:32,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:32,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:32,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:32,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:32,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:33,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:33,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380198143] [2024-11-12 17:33:33,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380198143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:33:33,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:33:33,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:33:33,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836037068] [2024-11-12 17:33:33,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:33:33,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:33:33,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:33,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:33:33,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:33:33,030 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:33:33,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:33,094 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-12 17:33:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:33:33,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-12 17:33:33,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:33,101 INFO L225 Difference]: With dead ends: 45 [2024-11-12 17:33:33,101 INFO L226 Difference]: Without dead ends: 43 [2024-11-12 17:33:33,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:33:33,103 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:33,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:33:33,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-12 17:33:33,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-12 17:33:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:33:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-12 17:33:33,120 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2024-11-12 17:33:33,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:33,124 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-12 17:33:33,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:33:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-12 17:33:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-12 17:33:33,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:33,127 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:33,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:33:33,128 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:33,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:33,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1804441474, now seen corresponding path program 1 times [2024-11-12 17:33:33,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:33,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881330525] [2024-11-12 17:33:33,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:33,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:33,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881330525] [2024-11-12 17:33:33,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881330525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:33:33,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:33:33,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 17:33:33,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431306609] [2024-11-12 17:33:33,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:33:33,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:33:33,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:33,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:33:33,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:33:33,410 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:33:33,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:33,613 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-11-12 17:33:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:33:33,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-12 17:33:33,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:33,615 INFO L225 Difference]: With dead ends: 62 [2024-11-12 17:33:33,615 INFO L226 Difference]: Without dead ends: 61 [2024-11-12 17:33:33,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:33:33,617 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:33,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 166 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:33:33,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-12 17:33:33,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2024-11-12 17:33:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:33:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-12 17:33:33,627 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 35 [2024-11-12 17:33:33,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:33,628 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-12 17:33:33,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:33:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-12 17:33:33,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-12 17:33:33,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:33,630 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:33,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:33:33,630 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:33,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:33,631 INFO L85 PathProgramCache]: Analyzing trace with hash -103110780, now seen corresponding path program 1 times [2024-11-12 17:33:33,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:33,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886588217] [2024-11-12 17:33:33,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:33,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:33,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:33,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886588217] [2024-11-12 17:33:33,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886588217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:33:33,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:33:33,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 17:33:33,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358739580] [2024-11-12 17:33:33,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:33:33,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:33:33,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:33,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:33:33,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:33:33,811 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:33:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:33,934 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2024-11-12 17:33:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:33:33,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-12 17:33:33,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:33,937 INFO L225 Difference]: With dead ends: 91 [2024-11-12 17:33:33,937 INFO L226 Difference]: Without dead ends: 63 [2024-11-12 17:33:33,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:33:33,939 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 17 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:33,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 187 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:33:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-12 17:33:33,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-12 17:33:33,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:33:33,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2024-11-12 17:33:33,952 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 36 [2024-11-12 17:33:33,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:33,953 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2024-11-12 17:33:33,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:33:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2024-11-12 17:33:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-12 17:33:33,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:33,956 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:33,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 17:33:33,957 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:33,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:33,957 INFO L85 PathProgramCache]: Analyzing trace with hash -948546387, now seen corresponding path program 1 times [2024-11-12 17:33:33,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:33,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364539175] [2024-11-12 17:33:33,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:33,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,244 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:33:34,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:34,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364539175] [2024-11-12 17:33:34,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364539175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:33:34,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:33:34,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 17:33:34,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631441371] [2024-11-12 17:33:34,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:33:34,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:33:34,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:34,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:33:34,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:33:34,247 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 17:33:34,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:34,443 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2024-11-12 17:33:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:33:34,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-11-12 17:33:34,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:34,446 INFO L225 Difference]: With dead ends: 81 [2024-11-12 17:33:34,446 INFO L226 Difference]: Without dead ends: 80 [2024-11-12 17:33:34,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:33:34,447 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 54 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:34,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 191 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:33:34,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-12 17:33:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2024-11-12 17:33:34,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:33:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2024-11-12 17:33:34,469 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 45 [2024-11-12 17:33:34,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:34,470 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2024-11-12 17:33:34,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 17:33:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2024-11-12 17:33:34,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 17:33:34,473 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:34,475 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:34,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:33:34,475 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:34,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:34,476 INFO L85 PathProgramCache]: Analyzing trace with hash 659833163, now seen corresponding path program 1 times [2024-11-12 17:33:34,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:34,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545643289] [2024-11-12 17:33:34,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:34,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:33:34,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:34,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545643289] [2024-11-12 17:33:34,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545643289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:33:34,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:33:34,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 17:33:34,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294683722] [2024-11-12 17:33:34,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:33:34,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:33:34,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:34,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:33:34,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:33:34,667 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 17:33:34,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:34,836 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2024-11-12 17:33:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:33:34,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2024-11-12 17:33:34,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:34,841 INFO L225 Difference]: With dead ends: 115 [2024-11-12 17:33:34,841 INFO L226 Difference]: Without dead ends: 87 [2024-11-12 17:33:34,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:33:34,842 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:34,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:33:34,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-12 17:33:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2024-11-12 17:33:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 17:33:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2024-11-12 17:33:34,857 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 46 [2024-11-12 17:33:34,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:34,858 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2024-11-12 17:33:34,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 17:33:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-12 17:33:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 17:33:34,861 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:34,861 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:34,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 17:33:34,862 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:34,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:34,863 INFO L85 PathProgramCache]: Analyzing trace with hash 659870899, now seen corresponding path program 1 times [2024-11-12 17:33:34,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:34,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104541044] [2024-11-12 17:33:34,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:34,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:35,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:35,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:35,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:35,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:33:35,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:35,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104541044] [2024-11-12 17:33:35,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104541044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:35,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275617253] [2024-11-12 17:33:35,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:35,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:35,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:35,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:35,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:33:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:35,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:33:35,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:35,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 17:33:35,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275617253] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:35,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:35,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-12 17:33:35,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137662229] [2024-11-12 17:33:35,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:35,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 17:33:35,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:35,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 17:33:35,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:33:35,422 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-12 17:33:35,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:35,854 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2024-11-12 17:33:35,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 17:33:35,855 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 46 [2024-11-12 17:33:35,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:35,856 INFO L225 Difference]: With dead ends: 233 [2024-11-12 17:33:35,857 INFO L226 Difference]: Without dead ends: 195 [2024-11-12 17:33:35,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-11-12 17:33:35,859 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 106 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:35,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 258 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:33:35,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-12 17:33:35,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-11-12 17:33:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 125 states have (on average 1.272) internal successors, (159), 130 states have internal predecessors, (159), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:33:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2024-11-12 17:33:35,879 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 46 [2024-11-12 17:33:35,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:35,880 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2024-11-12 17:33:35,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-12 17:33:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2024-11-12 17:33:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-12 17:33:35,881 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:35,881 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:35,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 17:33:36,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:36,086 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:36,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:36,088 INFO L85 PathProgramCache]: Analyzing trace with hash 158655662, now seen corresponding path program 1 times [2024-11-12 17:33:36,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:36,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653442160] [2024-11-12 17:33:36,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:36,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:33:36,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:36,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653442160] [2024-11-12 17:33:36,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653442160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:33:36,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:33:36,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:33:36,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863326377] [2024-11-12 17:33:36,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:33:36,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:33:36,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:36,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:33:36,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:33:36,232 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-12 17:33:36,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:36,313 INFO L93 Difference]: Finished difference Result 270 states and 329 transitions. [2024-11-12 17:33:36,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:33:36,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2024-11-12 17:33:36,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:36,315 INFO L225 Difference]: With dead ends: 270 [2024-11-12 17:33:36,315 INFO L226 Difference]: Without dead ends: 205 [2024-11-12 17:33:36,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:33:36,316 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:36,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 173 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:33:36,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-12 17:33:36,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2024-11-12 17:33:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 141 states have (on average 1.2907801418439717) internal successors, (182), 146 states have internal predecessors, (182), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 17:33:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2024-11-12 17:33:36,351 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 55 [2024-11-12 17:33:36,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:36,352 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2024-11-12 17:33:36,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-12 17:33:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2024-11-12 17:33:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-12 17:33:36,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:36,353 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:36,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:33:36,354 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:36,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:36,354 INFO L85 PathProgramCache]: Analyzing trace with hash 623459560, now seen corresponding path program 1 times [2024-11-12 17:33:36,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:36,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400131235] [2024-11-12 17:33:36,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:36,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:33:36,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:36,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400131235] [2024-11-12 17:33:36,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400131235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:36,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810927663] [2024-11-12 17:33:36,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:36,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:36,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:36,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:36,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:33:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:36,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:33:36,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:36,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:33:36,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810927663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:36,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:36,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-12 17:33:36,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152264134] [2024-11-12 17:33:36,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:36,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-12 17:33:36,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:36,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-12 17:33:36,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-12 17:33:36,990 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-12 17:33:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:37,741 INFO L93 Difference]: Finished difference Result 379 states and 473 transitions. [2024-11-12 17:33:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-12 17:33:37,742 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 56 [2024-11-12 17:33:37,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:37,745 INFO L225 Difference]: With dead ends: 379 [2024-11-12 17:33:37,745 INFO L226 Difference]: Without dead ends: 296 [2024-11-12 17:33:37,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-11-12 17:33:37,751 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 161 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:37,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 318 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:33:37,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-12 17:33:37,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2024-11-12 17:33:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 17:33:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2024-11-12 17:33:37,781 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 56 [2024-11-12 17:33:37,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:37,782 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2024-11-12 17:33:37,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-12 17:33:37,782 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2024-11-12 17:33:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-12 17:33:37,784 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:37,785 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:37,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 17:33:37,985 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,SelfDestructingSolverStorable8 [2024-11-12 17:33:37,986 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:37,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:37,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1120569571, now seen corresponding path program 1 times [2024-11-12 17:33:37,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:37,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156376708] [2024-11-12 17:33:37,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:37,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:38,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:38,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:38,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:38,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:38,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:38,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:38,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:33:38,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:38,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156376708] [2024-11-12 17:33:38,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156376708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:38,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135249650] [2024-11-12 17:33:38,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:38,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:38,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:38,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:38,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:33:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:38,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:33:38,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:38,365 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:33:38,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135249650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:38,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:38,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-11-12 17:33:38,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237854069] [2024-11-12 17:33:38,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:38,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-12 17:33:38,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:38,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-12 17:33:38,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:33:38,557 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-12 17:33:38,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:38,992 INFO L93 Difference]: Finished difference Result 471 states and 581 transitions. [2024-11-12 17:33:38,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-12 17:33:38,993 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 59 [2024-11-12 17:33:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:38,996 INFO L225 Difference]: With dead ends: 471 [2024-11-12 17:33:38,996 INFO L226 Difference]: Without dead ends: 332 [2024-11-12 17:33:38,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2024-11-12 17:33:38,998 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 133 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:38,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 317 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:33:38,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-12 17:33:39,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 323. [2024-11-12 17:33:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.244186046511628) internal successors, (321), 263 states have internal predecessors, (321), 33 states have call successors, (33), 26 states have call predecessors, (33), 26 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-12 17:33:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 387 transitions. [2024-11-12 17:33:39,022 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 387 transitions. Word has length 59 [2024-11-12 17:33:39,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:39,024 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 387 transitions. [2024-11-12 17:33:39,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-12 17:33:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 387 transitions. [2024-11-12 17:33:39,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 17:33:39,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:39,028 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:39,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:33:39,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:39,230 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:39,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:39,231 INFO L85 PathProgramCache]: Analyzing trace with hash 756328881, now seen corresponding path program 1 times [2024-11-12 17:33:39,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:39,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694870266] [2024-11-12 17:33:39,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:39,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:33:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 17:33:39,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:39,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694870266] [2024-11-12 17:33:39,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694870266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:39,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086747214] [2024-11-12 17:33:39,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:39,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:39,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:39,456 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:39,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:33:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:39,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:33:39,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:39,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:33:39,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086747214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:33:39,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:33:39,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-12 17:33:39,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832666990] [2024-11-12 17:33:39,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:33:39,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:33:39,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:39,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:33:39,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:33:39,707 INFO L87 Difference]: Start difference. First operand 323 states and 387 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-12 17:33:40,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:40,028 INFO L93 Difference]: Finished difference Result 391 states and 469 transitions. [2024-11-12 17:33:40,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 17:33:40,029 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 65 [2024-11-12 17:33:40,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:40,032 INFO L225 Difference]: With dead ends: 391 [2024-11-12 17:33:40,032 INFO L226 Difference]: Without dead ends: 388 [2024-11-12 17:33:40,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2024-11-12 17:33:40,034 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 61 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:40,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 202 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:33:40,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-12 17:33:40,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 293. [2024-11-12 17:33:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 234 states have (on average 1.1623931623931625) internal successors, (272), 237 states have internal predecessors, (272), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 17:33:40,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 334 transitions. [2024-11-12 17:33:40,062 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 334 transitions. Word has length 65 [2024-11-12 17:33:40,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:40,063 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 334 transitions. [2024-11-12 17:33:40,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-12 17:33:40,064 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 334 transitions. [2024-11-12 17:33:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-12 17:33:40,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:40,065 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:40,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:33:40,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:40,266 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:40,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:40,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1971358877, now seen corresponding path program 1 times [2024-11-12 17:33:40,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:40,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822636310] [2024-11-12 17:33:40,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:40,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:33:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 17:33:40,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:40,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822636310] [2024-11-12 17:33:40,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822636310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:40,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214327769] [2024-11-12 17:33:40,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:40,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:40,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:40,513 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:40,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:33:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:40,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:33:40,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:40,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 17:33:40,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214327769] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:40,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:40,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-11-12 17:33:40,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801920898] [2024-11-12 17:33:40,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:40,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-12 17:33:40,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:40,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-12 17:33:40,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-12 17:33:40,990 INFO L87 Difference]: Start difference. First operand 293 states and 334 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-12 17:33:42,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:42,027 INFO L93 Difference]: Finished difference Result 332 states and 381 transitions. [2024-11-12 17:33:42,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-12 17:33:42,028 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 66 [2024-11-12 17:33:42,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:42,032 INFO L225 Difference]: With dead ends: 332 [2024-11-12 17:33:42,032 INFO L226 Difference]: Without dead ends: 331 [2024-11-12 17:33:42,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2024-11-12 17:33:42,037 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 215 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:42,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 305 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:33:42,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-12 17:33:42,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 306. [2024-11-12 17:33:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 245 states have (on average 1.1591836734693877) internal successors, (284), 248 states have internal predecessors, (284), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-12 17:33:42,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 348 transitions. [2024-11-12 17:33:42,062 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 348 transitions. Word has length 66 [2024-11-12 17:33:42,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:42,062 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 348 transitions. [2024-11-12 17:33:42,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-12 17:33:42,063 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 348 transitions. [2024-11-12 17:33:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 17:33:42,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:42,064 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:42,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 17:33:42,264 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,SelfDestructingSolverStorable11 [2024-11-12 17:33:42,265 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:42,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:42,266 INFO L85 PathProgramCache]: Analyzing trace with hash 538003313, now seen corresponding path program 1 times [2024-11-12 17:33:42,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:42,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607218097] [2024-11-12 17:33:42,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:42,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:33:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:33:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-12 17:33:42,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:42,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607218097] [2024-11-12 17:33:42,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607218097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:42,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45451245] [2024-11-12 17:33:42,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:42,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:42,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:42,544 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:42,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:33:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:42,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:33:42,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:42,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-12 17:33:42,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45451245] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:42,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:42,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-11-12 17:33:42,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146642708] [2024-11-12 17:33:42,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:42,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-12 17:33:42,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:42,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-12 17:33:42,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-12 17:33:42,995 INFO L87 Difference]: Start difference. First operand 306 states and 348 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-12 17:33:43,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:43,699 INFO L93 Difference]: Finished difference Result 542 states and 628 transitions. [2024-11-12 17:33:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-12 17:33:43,700 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) Word has length 80 [2024-11-12 17:33:43,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:43,702 INFO L225 Difference]: With dead ends: 542 [2024-11-12 17:33:43,703 INFO L226 Difference]: Without dead ends: 383 [2024-11-12 17:33:43,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1709, Unknown=0, NotChecked=0, Total=2352 [2024-11-12 17:33:43,705 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 173 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:43,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 341 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:33:43,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-12 17:33:43,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 360. [2024-11-12 17:33:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 289 states have (on average 1.1522491349480968) internal successors, (333), 292 states have internal predecessors, (333), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-12 17:33:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 407 transitions. [2024-11-12 17:33:43,727 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 407 transitions. Word has length 80 [2024-11-12 17:33:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:43,727 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 407 transitions. [2024-11-12 17:33:43,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-12 17:33:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 407 transitions. [2024-11-12 17:33:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 17:33:43,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:43,729 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-12 17:33:43,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 17:33:43,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:43,934 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:43,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:43,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1210229917, now seen corresponding path program 1 times [2024-11-12 17:33:43,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:43,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447704553] [2024-11-12 17:33:43,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:43,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:33:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:33:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:33:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:33:44,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:44,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447704553] [2024-11-12 17:33:44,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447704553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:44,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740212808] [2024-11-12 17:33:44,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:44,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:44,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:44,237 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:44,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:33:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:44,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:33:44,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:44,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:33:44,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740212808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:44,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:44,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-12 17:33:44,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555793452] [2024-11-12 17:33:44,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:44,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-12 17:33:44,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:44,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-12 17:33:44,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2024-11-12 17:33:44,955 INFO L87 Difference]: Start difference. First operand 360 states and 407 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-12 17:33:46,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:46,444 INFO L93 Difference]: Finished difference Result 776 states and 906 transitions. [2024-11-12 17:33:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-12 17:33:46,444 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-12 17:33:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:46,447 INFO L225 Difference]: With dead ends: 776 [2024-11-12 17:33:46,448 INFO L226 Difference]: Without dead ends: 617 [2024-11-12 17:33:46,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1770, Invalid=7350, Unknown=0, NotChecked=0, Total=9120 [2024-11-12 17:33:46,452 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 377 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:46,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 357 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:33:46,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-12 17:33:46,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 556. [2024-11-12 17:33:46,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 445 states have (on average 1.1752808988764045) internal successors, (523), 448 states have internal predecessors, (523), 57 states have call successors, (57), 51 states have call predecessors, (57), 51 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-12 17:33:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 637 transitions. [2024-11-12 17:33:46,501 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 637 transitions. Word has length 86 [2024-11-12 17:33:46,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:46,502 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 637 transitions. [2024-11-12 17:33:46,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-12 17:33:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 637 transitions. [2024-11-12 17:33:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 17:33:46,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:46,504 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:46,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-12 17:33:46,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:46,705 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:46,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:46,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1194963981, now seen corresponding path program 1 times [2024-11-12 17:33:46,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:46,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777734093] [2024-11-12 17:33:46,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:46,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:46,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:46,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:46,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:46,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:46,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:46,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:46,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:33:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:46,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:33:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:47,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:33:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:33:47,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:47,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777734093] [2024-11-12 17:33:47,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777734093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:47,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285489767] [2024-11-12 17:33:47,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:47,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:47,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:47,008 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:47,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:33:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:47,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:33:47,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:47,341 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:47,678 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:33:47,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285489767] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:47,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:47,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-12 17:33:47,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529948240] [2024-11-12 17:33:47,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:47,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-12 17:33:47,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:47,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-12 17:33:47,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2024-11-12 17:33:47,682 INFO L87 Difference]: Start difference. First operand 556 states and 637 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-12 17:33:49,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:49,312 INFO L93 Difference]: Finished difference Result 716 states and 822 transitions. [2024-11-12 17:33:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-12 17:33:49,313 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-12 17:33:49,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:49,316 INFO L225 Difference]: With dead ends: 716 [2024-11-12 17:33:49,317 INFO L226 Difference]: Without dead ends: 713 [2024-11-12 17:33:49,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1656, Invalid=6716, Unknown=0, NotChecked=0, Total=8372 [2024-11-12 17:33:49,321 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 345 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:49,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 512 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:33:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-12 17:33:49,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 608. [2024-11-12 17:33:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 485 states have (on average 1.1814432989690722) internal successors, (573), 488 states have internal predecessors, (573), 63 states have call successors, (63), 57 states have call predecessors, (63), 57 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-12 17:33:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 699 transitions. [2024-11-12 17:33:49,363 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 699 transitions. Word has length 86 [2024-11-12 17:33:49,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:49,363 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 699 transitions. [2024-11-12 17:33:49,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-12 17:33:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 699 transitions. [2024-11-12 17:33:49,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 17:33:49,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:49,368 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-12 17:33:49,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 17:33:49,569 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,SelfDestructingSolverStorable14 [2024-11-12 17:33:49,569 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:49,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:49,570 INFO L85 PathProgramCache]: Analyzing trace with hash 13994911, now seen corresponding path program 1 times [2024-11-12 17:33:49,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:49,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512865031] [2024-11-12 17:33:49,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:49,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:33:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:33:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:33:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:33:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-12 17:33:49,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:49,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512865031] [2024-11-12 17:33:49,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512865031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:49,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223093482] [2024-11-12 17:33:49,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:49,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:49,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:49,953 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:49,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:33:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:50,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 17:33:50,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 142 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:50,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-12 17:33:50,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223093482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:50,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:50,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2024-11-12 17:33:50,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538353544] [2024-11-12 17:33:50,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:50,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-12 17:33:50,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:50,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-12 17:33:50,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2024-11-12 17:33:50,530 INFO L87 Difference]: Start difference. First operand 608 states and 699 transitions. Second operand has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-12 17:33:51,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:51,619 INFO L93 Difference]: Finished difference Result 1131 states and 1314 transitions. [2024-11-12 17:33:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-12 17:33:51,619 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) Word has length 100 [2024-11-12 17:33:51,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:51,623 INFO L225 Difference]: With dead ends: 1131 [2024-11-12 17:33:51,624 INFO L226 Difference]: Without dead ends: 842 [2024-11-12 17:33:51,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1135, Invalid=4415, Unknown=0, NotChecked=0, Total=5550 [2024-11-12 17:33:51,626 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 199 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:51,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 486 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:33:51,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-12 17:33:51,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 758. [2024-11-12 17:33:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 605 states have (on average 1.1586776859504133) internal successors, (701), 608 states have internal predecessors, (701), 78 states have call successors, (78), 72 states have call predecessors, (78), 72 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-12 17:33:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 857 transitions. [2024-11-12 17:33:51,675 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 857 transitions. Word has length 100 [2024-11-12 17:33:51,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:51,675 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 857 transitions. [2024-11-12 17:33:51,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-12 17:33:51,676 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 857 transitions. [2024-11-12 17:33:51,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-12 17:33:51,678 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:51,678 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:51,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 17:33:51,882 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,SelfDestructingSolverStorable15 [2024-11-12 17:33:51,883 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:51,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:51,883 INFO L85 PathProgramCache]: Analyzing trace with hash 516926133, now seen corresponding path program 1 times [2024-11-12 17:33:51,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:51,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534117339] [2024-11-12 17:33:51,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:51,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:33:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:33:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:33:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:33:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:33:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-12 17:33:52,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:52,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534117339] [2024-11-12 17:33:52,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534117339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:52,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697553415] [2024-11-12 17:33:52,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:52,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:52,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:52,294 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:52,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:33:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:52,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-12 17:33:52,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:52,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:53,209 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-12 17:33:53,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697553415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:53,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:53,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 54 [2024-11-12 17:33:53,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503722757] [2024-11-12 17:33:53,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:53,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-12 17:33:53,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:53,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-12 17:33:53,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2406, Unknown=0, NotChecked=0, Total=2970 [2024-11-12 17:33:53,214 INFO L87 Difference]: Start difference. First operand 758 states and 857 transitions. Second operand has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-12 17:33:55,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:55,297 INFO L93 Difference]: Finished difference Result 927 states and 1052 transitions. [2024-11-12 17:33:55,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-12 17:33:55,298 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Word has length 106 [2024-11-12 17:33:55,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:55,302 INFO L225 Difference]: With dead ends: 927 [2024-11-12 17:33:55,303 INFO L226 Difference]: Without dead ends: 925 [2024-11-12 17:33:55,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3588 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2754, Invalid=12008, Unknown=0, NotChecked=0, Total=14762 [2024-11-12 17:33:55,307 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 561 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:55,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 381 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:33:55,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-11-12 17:33:55,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 624. [2024-11-12 17:33:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 497 states have (on average 1.1609657947686116) internal successors, (577), 501 states have internal predecessors, (577), 65 states have call successors, (65), 59 states have call predecessors, (65), 59 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-12 17:33:55,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 707 transitions. [2024-11-12 17:33:55,364 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 707 transitions. Word has length 106 [2024-11-12 17:33:55,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:55,364 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 707 transitions. [2024-11-12 17:33:55,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-12 17:33:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 707 transitions. [2024-11-12 17:33:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-12 17:33:55,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:55,377 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:55,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-12 17:33:55,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 17:33:55,578 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:55,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:55,579 INFO L85 PathProgramCache]: Analyzing trace with hash 47715737, now seen corresponding path program 2 times [2024-11-12 17:33:55,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:55,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972573233] [2024-11-12 17:33:55,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:55,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:33:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:33:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:33:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:33:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:33:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:33:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:33:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:33:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:33:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:33:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:33:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:33:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:33:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:33:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:33:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:33:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:33:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-12 17:33:56,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:33:56,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972573233] [2024-11-12 17:33:56,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972573233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:33:56,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262802154] [2024-11-12 17:33:56,259 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:33:56,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:33:56,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:33:56,261 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:33:56,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:33:56,344 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:33:56,345 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:33:56,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-12 17:33:56,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:33:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:33:56,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:33:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-12 17:33:57,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262802154] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:33:57,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:33:57,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 27] total 56 [2024-11-12 17:33:57,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843779441] [2024-11-12 17:33:57,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:33:57,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-12 17:33:57,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:33:57,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-12 17:33:57,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2024-11-12 17:33:57,249 INFO L87 Difference]: Start difference. First operand 624 states and 707 transitions. Second operand has 57 states, 56 states have (on average 3.2857142857142856) internal successors, (184), 57 states have internal predecessors, (184), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-12 17:33:59,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:33:59,089 INFO L93 Difference]: Finished difference Result 1494 states and 1730 transitions. [2024-11-12 17:33:59,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-12 17:33:59,090 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 3.2857142857142856) internal successors, (184), 57 states have internal predecessors, (184), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 146 [2024-11-12 17:33:59,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:33:59,097 INFO L225 Difference]: With dead ends: 1494 [2024-11-12 17:33:59,098 INFO L226 Difference]: Without dead ends: 1229 [2024-11-12 17:33:59,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4276 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3050, Invalid=12450, Unknown=0, NotChecked=0, Total=15500 [2024-11-12 17:33:59,101 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 522 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:33:59,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 454 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:33:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-12 17:33:59,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 977. [2024-11-12 17:33:59,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 780 states have (on average 1.176923076923077) internal successors, (918), 784 states have internal predecessors, (918), 100 states have call successors, (100), 94 states have call predecessors, (100), 94 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-12 17:33:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2024-11-12 17:33:59,193 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 146 [2024-11-12 17:33:59,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:33:59,194 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2024-11-12 17:33:59,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 3.2857142857142856) internal successors, (184), 57 states have internal predecessors, (184), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-12 17:33:59,195 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2024-11-12 17:33:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 17:33:59,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:33:59,198 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 10, 10, 10, 9, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:33:59,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-12 17:33:59,398 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,SelfDestructingSolverStorable17 [2024-11-12 17:33:59,398 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:33:59,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:33:59,399 INFO L85 PathProgramCache]: Analyzing trace with hash 832342144, now seen corresponding path program 2 times [2024-11-12 17:33:59,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:33:59,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236600652] [2024-11-12 17:33:59,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:33:59,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:33:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:34:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-12 17:34:00,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:00,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236600652] [2024-11-12 17:34:00,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236600652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:00,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283172228] [2024-11-12 17:34:00,127 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:34:00,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:00,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:00,129 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:00,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:34:00,212 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:34:00,212 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:34:00,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-12 17:34:00,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 538 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:34:00,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:34:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-12 17:34:00,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283172228] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:34:00,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:34:00,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 28] total 48 [2024-11-12 17:34:00,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781589370] [2024-11-12 17:34:00,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:34:00,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-12 17:34:00,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:00,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-12 17:34:00,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=1786, Unknown=0, NotChecked=0, Total=2256 [2024-11-12 17:34:00,984 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand has 48 states, 48 states have (on average 3.6458333333333335) internal successors, (175), 48 states have internal predecessors, (175), 21 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 21 states have call predecessors, (45), 21 states have call successors, (45) [2024-11-12 17:34:02,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:02,643 INFO L93 Difference]: Finished difference Result 1511 states and 1751 transitions. [2024-11-12 17:34:02,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-11-12 17:34:02,644 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 3.6458333333333335) internal successors, (175), 48 states have internal predecessors, (175), 21 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 21 states have call predecessors, (45), 21 states have call successors, (45) Word has length 150 [2024-11-12 17:34:02,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:02,649 INFO L225 Difference]: With dead ends: 1511 [2024-11-12 17:34:02,649 INFO L226 Difference]: Without dead ends: 1193 [2024-11-12 17:34:02,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 303 SyntacticMatches, 9 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2875 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2293, Invalid=8419, Unknown=0, NotChecked=0, Total=10712 [2024-11-12 17:34:02,653 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 342 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:02,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 516 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:34:02,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-12 17:34:02,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1127. [2024-11-12 17:34:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 904 states have (on average 1.1615044247787611) internal successors, (1050), 908 states have internal predecessors, (1050), 113 states have call successors, (113), 107 states have call predecessors, (113), 107 states have return successors, (113), 111 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-12 17:34:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1276 transitions. [2024-11-12 17:34:02,732 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1276 transitions. Word has length 150 [2024-11-12 17:34:02,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:02,733 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1276 transitions. [2024-11-12 17:34:02,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.6458333333333335) internal successors, (175), 48 states have internal predecessors, (175), 21 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 21 states have call predecessors, (45), 21 states have call successors, (45) [2024-11-12 17:34:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1276 transitions. [2024-11-12 17:34:02,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 17:34:02,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:02,736 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:02,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:34:02,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:02,941 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:02,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:02,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2074973459, now seen corresponding path program 1 times [2024-11-12 17:34:02,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:02,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643913748] [2024-11-12 17:34:02,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 17:34:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 17:34:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 17:34:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 17:34:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 62 proven. 64 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-12 17:34:03,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:03,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643913748] [2024-11-12 17:34:03,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643913748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:03,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342469640] [2024-11-12 17:34:03,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:03,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:03,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:03,431 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:03,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:34:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:03,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-12 17:34:03,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 190 proven. 176 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-12 17:34:03,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:34:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 62 proven. 64 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-12 17:34:04,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342469640] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:34:04,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:34:04,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 20] total 41 [2024-11-12 17:34:04,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848641006] [2024-11-12 17:34:04,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:34:04,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-12 17:34:04,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:04,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-12 17:34:04,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1307, Unknown=0, NotChecked=0, Total=1640 [2024-11-12 17:34:04,084 INFO L87 Difference]: Start difference. First operand 1127 states and 1276 transitions. Second operand has 41 states, 41 states have (on average 3.5609756097560976) internal successors, (146), 41 states have internal predecessors, (146), 20 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 20 states have call predecessors, (38), 20 states have call successors, (38) [2024-11-12 17:34:05,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:05,119 INFO L93 Difference]: Finished difference Result 1850 states and 2110 transitions. [2024-11-12 17:34:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-12 17:34:05,120 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 3.5609756097560976) internal successors, (146), 41 states have internal predecessors, (146), 20 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 20 states have call predecessors, (38), 20 states have call successors, (38) Word has length 154 [2024-11-12 17:34:05,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:05,130 INFO L225 Difference]: With dead ends: 1850 [2024-11-12 17:34:05,130 INFO L226 Difference]: Without dead ends: 1502 [2024-11-12 17:34:05,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1677 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1265, Invalid=5215, Unknown=0, NotChecked=0, Total=6480 [2024-11-12 17:34:05,136 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 214 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:05,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 448 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:34:05,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-11-12 17:34:05,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1439. [2024-11-12 17:34:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1156 states have (on average 1.147923875432526) internal successors, (1327), 1160 states have internal predecessors, (1327), 143 states have call successors, (143), 137 states have call predecessors, (143), 137 states have return successors, (143), 141 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-12 17:34:05,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 1613 transitions. [2024-11-12 17:34:05,255 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 1613 transitions. Word has length 154 [2024-11-12 17:34:05,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:05,257 INFO L471 AbstractCegarLoop]: Abstraction has 1439 states and 1613 transitions. [2024-11-12 17:34:05,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.5609756097560976) internal successors, (146), 41 states have internal predecessors, (146), 20 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 20 states have call predecessors, (38), 20 states have call successors, (38) [2024-11-12 17:34:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1613 transitions. [2024-11-12 17:34:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 17:34:05,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:05,261 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 8, 8, 8, 7, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:05,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 17:34:05,461 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,SelfDestructingSolverStorable19 [2024-11-12 17:34:05,462 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:05,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:05,462 INFO L85 PathProgramCache]: Analyzing trace with hash -44200677, now seen corresponding path program 2 times [2024-11-12 17:34:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:05,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348978664] [2024-11-12 17:34:05,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:05,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 17:34:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-11-12 17:34:05,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:05,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348978664] [2024-11-12 17:34:05,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348978664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:34:05,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:34:05,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:34:05,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163262827] [2024-11-12 17:34:05,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:34:05,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:34:05,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:05,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:34:05,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:34:05,591 INFO L87 Difference]: Start difference. First operand 1439 states and 1613 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:34:05,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:05,856 INFO L93 Difference]: Finished difference Result 2091 states and 2386 transitions. [2024-11-12 17:34:05,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:34:05,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 154 [2024-11-12 17:34:05,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:05,864 INFO L225 Difference]: With dead ends: 2091 [2024-11-12 17:34:05,864 INFO L226 Difference]: Without dead ends: 1501 [2024-11-12 17:34:05,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:34:05,888 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:05,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 117 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:34:05,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-11-12 17:34:05,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1446. [2024-11-12 17:34:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1164 states have (on average 1.1426116838487972) internal successors, (1330), 1167 states have internal predecessors, (1330), 145 states have call successors, (145), 134 states have call predecessors, (145), 134 states have return successors, (145), 144 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-12 17:34:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1620 transitions. [2024-11-12 17:34:05,996 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1620 transitions. Word has length 154 [2024-11-12 17:34:05,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:05,997 INFO L471 AbstractCegarLoop]: Abstraction has 1446 states and 1620 transitions. [2024-11-12 17:34:05,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:34:05,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1620 transitions. [2024-11-12 17:34:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-12 17:34:06,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:06,001 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 10, 10, 10, 10, 10, 10, 9, 4, 4, 4, 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] [2024-11-12 17:34:06,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 17:34:06,001 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:06,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash 809284100, now seen corresponding path program 2 times [2024-11-12 17:34:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:06,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140046621] [2024-11-12 17:34:06,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:06,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:34:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 17:34:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-12 17:34:06,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:06,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140046621] [2024-11-12 17:34:06,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140046621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:06,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555121290] [2024-11-12 17:34:06,749 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:34:06,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:06,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:06,752 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:06,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:34:06,835 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:34:06,835 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:34:06,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-12 17:34:06,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 3 proven. 588 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:34:07,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:34:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 3 proven. 276 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-12 17:34:08,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555121290] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:34:08,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:34:08,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 28] total 84 [2024-11-12 17:34:08,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437164289] [2024-11-12 17:34:08,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:34:08,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-12 17:34:08,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:08,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-12 17:34:08,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1477, Invalid=5663, Unknown=0, NotChecked=0, Total=7140 [2024-11-12 17:34:08,603 INFO L87 Difference]: Start difference. First operand 1446 states and 1620 transitions. Second operand has 85 states, 84 states have (on average 3.011904761904762) internal successors, (253), 85 states have internal predecessors, (253), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) [2024-11-12 17:34:12,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:12,646 INFO L93 Difference]: Finished difference Result 1972 states and 2256 transitions. [2024-11-12 17:34:12,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2024-11-12 17:34:12,647 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 84 states have (on average 3.011904761904762) internal successors, (253), 85 states have internal predecessors, (253), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) Word has length 156 [2024-11-12 17:34:12,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:12,654 INFO L225 Difference]: With dead ends: 1972 [2024-11-12 17:34:12,655 INFO L226 Difference]: Without dead ends: 1963 [2024-11-12 17:34:12,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9716 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=7825, Invalid=30395, Unknown=0, NotChecked=0, Total=38220 [2024-11-12 17:34:12,660 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 910 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:12,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [910 Valid, 625 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 17:34:12,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2024-11-12 17:34:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1478. [2024-11-12 17:34:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1187 states have (on average 1.1524852569502948) internal successors, (1368), 1190 states have internal predecessors, (1368), 149 states have call successors, (149), 139 states have call predecessors, (149), 139 states have return successors, (149), 148 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-12 17:34:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1666 transitions. [2024-11-12 17:34:12,799 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1666 transitions. Word has length 156 [2024-11-12 17:34:12,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:12,800 INFO L471 AbstractCegarLoop]: Abstraction has 1478 states and 1666 transitions. [2024-11-12 17:34:12,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 84 states have (on average 3.011904761904762) internal successors, (253), 85 states have internal predecessors, (253), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) [2024-11-12 17:34:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1666 transitions. [2024-11-12 17:34:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 17:34:12,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:12,804 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:12,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-12 17:34:13,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:13,005 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:13,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:13,005 INFO L85 PathProgramCache]: Analyzing trace with hash -941906583, now seen corresponding path program 1 times [2024-11-12 17:34:13,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:13,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372894420] [2024-11-12 17:34:13,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:13,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:34:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 17:34:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-12 17:34:13,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:13,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372894420] [2024-11-12 17:34:13,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372894420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:13,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467316113] [2024-11-12 17:34:13,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:13,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:13,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:13,790 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:13,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:34:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:13,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-12 17:34:13,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 492 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:34:14,095 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:34:14,627 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-12 17:34:14,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467316113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:34:14,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:34:14,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 30] total 51 [2024-11-12 17:34:14,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510258390] [2024-11-12 17:34:14,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:34:14,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-12 17:34:14,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:14,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-12 17:34:14,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=2093, Unknown=0, NotChecked=0, Total=2550 [2024-11-12 17:34:14,630 INFO L87 Difference]: Start difference. First operand 1478 states and 1666 transitions. Second operand has 51 states, 51 states have (on average 3.803921568627451) internal successors, (194), 51 states have internal predecessors, (194), 21 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 21 states have call predecessors, (49), 21 states have call successors, (49) [2024-11-12 17:34:16,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:16,234 INFO L93 Difference]: Finished difference Result 2918 states and 3323 transitions. [2024-11-12 17:34:16,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-12 17:34:16,235 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.803921568627451) internal successors, (194), 51 states have internal predecessors, (194), 21 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 21 states have call predecessors, (49), 21 states have call successors, (49) Word has length 160 [2024-11-12 17:34:16,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:16,242 INFO L225 Difference]: With dead ends: 2918 [2024-11-12 17:34:16,243 INFO L226 Difference]: Without dead ends: 2518 [2024-11-12 17:34:16,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 323 SyntacticMatches, 10 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3337 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2077, Invalid=9053, Unknown=0, NotChecked=0, Total=11130 [2024-11-12 17:34:16,246 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 354 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:16,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 505 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:34:16,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2024-11-12 17:34:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 1996. [2024-11-12 17:34:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1996 states, 1603 states have (on average 1.137866500311915) internal successors, (1824), 1606 states have internal predecessors, (1824), 200 states have call successors, (200), 190 states have call predecessors, (200), 190 states have return successors, (200), 199 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-12 17:34:16,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1996 states and 2224 transitions. [2024-11-12 17:34:16,433 INFO L78 Accepts]: Start accepts. Automaton has 1996 states and 2224 transitions. Word has length 160 [2024-11-12 17:34:16,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:16,434 INFO L471 AbstractCegarLoop]: Abstraction has 1996 states and 2224 transitions. [2024-11-12 17:34:16,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.803921568627451) internal successors, (194), 51 states have internal predecessors, (194), 21 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 21 states have call predecessors, (49), 21 states have call successors, (49) [2024-11-12 17:34:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2224 transitions. [2024-11-12 17:34:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-12 17:34:16,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:16,439 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:16,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-12 17:34:16,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:16,644 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:16,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:16,644 INFO L85 PathProgramCache]: Analyzing trace with hash 792902701, now seen corresponding path program 3 times [2024-11-12 17:34:16,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:16,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240123206] [2024-11-12 17:34:16,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:16,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:34:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 17:34:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 17:34:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:17,414 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-12 17:34:17,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:17,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240123206] [2024-11-12 17:34:17,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240123206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:17,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137529762] [2024-11-12 17:34:17,415 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:34:17,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:17,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:17,417 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:17,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:34:17,478 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-12 17:34:17,479 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:34:17,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:34:17,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-12 17:34:17,554 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:34:17,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137529762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:34:17,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:34:17,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [32] total 35 [2024-11-12 17:34:17,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684010490] [2024-11-12 17:34:17,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:34:17,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:34:17,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:17,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:34:17,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1015, Unknown=0, NotChecked=0, Total=1260 [2024-11-12 17:34:17,556 INFO L87 Difference]: Start difference. First operand 1996 states and 2224 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:34:17,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:17,771 INFO L93 Difference]: Finished difference Result 2012 states and 2240 transitions. [2024-11-12 17:34:17,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:34:17,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 166 [2024-11-12 17:34:17,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:17,780 INFO L225 Difference]: With dead ends: 2012 [2024-11-12 17:34:17,780 INFO L226 Difference]: Without dead ends: 2008 [2024-11-12 17:34:17,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=1152, Unknown=0, NotChecked=0, Total=1406 [2024-11-12 17:34:17,783 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 21 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:17,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 116 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:34:17,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2024-11-12 17:34:17,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 1825. [2024-11-12 17:34:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1468 states have (on average 1.1376021798365124) internal successors, (1670), 1471 states have internal predecessors, (1670), 182 states have call successors, (182), 172 states have call predecessors, (182), 172 states have return successors, (182), 181 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-12 17:34:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2034 transitions. [2024-11-12 17:34:17,937 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2034 transitions. Word has length 166 [2024-11-12 17:34:17,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:17,938 INFO L471 AbstractCegarLoop]: Abstraction has 1825 states and 2034 transitions. [2024-11-12 17:34:17,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:34:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2034 transitions. [2024-11-12 17:34:17,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 17:34:17,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:17,944 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:17,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-12 17:34:18,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-12 17:34:18,145 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:18,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:18,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1012156156, now seen corresponding path program 3 times [2024-11-12 17:34:18,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:18,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167246789] [2024-11-12 17:34:18,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:18,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:34:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 17:34:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 17:34:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 3 proven. 240 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-12 17:34:18,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:18,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167246789] [2024-11-12 17:34:18,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167246789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:18,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344285825] [2024-11-12 17:34:18,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:34:18,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:18,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:18,828 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:18,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-12 17:34:18,887 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-12 17:34:18,887 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:34:18,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:34:18,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 93 proven. 1 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-11-12 17:34:19,007 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:34:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-12 17:34:19,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344285825] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:34:19,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:34:19,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 6, 6] total 43 [2024-11-12 17:34:19,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190317820] [2024-11-12 17:34:19,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:34:19,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-12 17:34:19,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:19,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-12 17:34:19,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=1451, Unknown=0, NotChecked=0, Total=1806 [2024-11-12 17:34:19,166 INFO L87 Difference]: Start difference. First operand 1825 states and 2034 transitions. Second operand has 43 states, 43 states have (on average 2.9767441860465116) internal successors, (128), 43 states have internal predecessors, (128), 18 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 18 states have call predecessors, (27), 18 states have call successors, (27) [2024-11-12 17:34:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:20,536 INFO L93 Difference]: Finished difference Result 2312 states and 2605 transitions. [2024-11-12 17:34:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-12 17:34:20,537 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 2.9767441860465116) internal successors, (128), 43 states have internal predecessors, (128), 18 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 18 states have call predecessors, (27), 18 states have call successors, (27) Word has length 170 [2024-11-12 17:34:20,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:20,548 INFO L225 Difference]: With dead ends: 2312 [2024-11-12 17:34:20,548 INFO L226 Difference]: Without dead ends: 1921 [2024-11-12 17:34:20,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1534 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1561, Invalid=6095, Unknown=0, NotChecked=0, Total=7656 [2024-11-12 17:34:20,551 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 300 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:20,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 484 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:34:20,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2024-11-12 17:34:20,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1185. [2024-11-12 17:34:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 948 states have (on average 1.1276371308016877) internal successors, (1069), 953 states have internal predecessors, (1069), 120 states have call successors, (120), 114 states have call predecessors, (120), 114 states have return successors, (120), 117 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-12 17:34:20,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1309 transitions. [2024-11-12 17:34:20,667 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1309 transitions. Word has length 170 [2024-11-12 17:34:20,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:20,667 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1309 transitions. [2024-11-12 17:34:20,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.9767441860465116) internal successors, (128), 43 states have internal predecessors, (128), 18 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 18 states have call predecessors, (27), 18 states have call successors, (27) [2024-11-12 17:34:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1309 transitions. [2024-11-12 17:34:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 17:34:20,672 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:20,672 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 22, 22, 21, 21, 21, 21, 20, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:20,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-12 17:34:20,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:20,873 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:20,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:20,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1274412252, now seen corresponding path program 1 times [2024-11-12 17:34:20,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:20,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337358850] [2024-11-12 17:34:20,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:34:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 17:34:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 17:34:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 17:34:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 17:34:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 17:34:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 17:34:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 17:34:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 17:34:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 17:34:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 17:34:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 17:34:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-12 17:34:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-12 17:34:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2559 backedges. 234 proven. 6 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2024-11-12 17:34:21,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:21,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337358850] [2024-11-12 17:34:21,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337358850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:21,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461527034] [2024-11-12 17:34:21,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:21,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:21,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:21,147 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:21,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-12 17:34:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:21,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-12 17:34:21,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2559 backedges. 2423 proven. 16 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-12 17:34:22,122 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:34:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2559 backedges. 1263 proven. 16 refuted. 0 times theorem prover too weak. 1280 trivial. 0 not checked. [2024-11-12 17:34:22,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461527034] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:34:22,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:34:22,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 43, 44] total 49 [2024-11-12 17:34:22,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756442634] [2024-11-12 17:34:22,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:34:22,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-12 17:34:22,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:22,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-12 17:34:22,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=445, Invalid=1907, Unknown=0, NotChecked=0, Total=2352 [2024-11-12 17:34:22,900 INFO L87 Difference]: Start difference. First operand 1185 states and 1309 transitions. Second operand has 49 states, 49 states have (on average 4.408163265306122) internal successors, (216), 49 states have internal predecessors, (216), 25 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 25 states have call predecessors, (59), 25 states have call successors, (59) [2024-11-12 17:34:25,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:25,875 INFO L93 Difference]: Finished difference Result 1811 states and 2027 transitions. [2024-11-12 17:34:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-11-12 17:34:25,876 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 4.408163265306122) internal successors, (216), 49 states have internal predecessors, (216), 25 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 25 states have call predecessors, (59), 25 states have call successors, (59) Word has length 276 [2024-11-12 17:34:25,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:25,892 INFO L225 Difference]: With dead ends: 1811 [2024-11-12 17:34:25,893 INFO L226 Difference]: Without dead ends: 450 [2024-11-12 17:34:25,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 527 SyntacticMatches, 41 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8866 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4795, Invalid=20011, Unknown=0, NotChecked=0, Total=24806 [2024-11-12 17:34:25,895 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 241 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 2005 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:25,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 2005 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2341 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 17:34:25,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-12 17:34:25,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 431. [2024-11-12 17:34:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 344 states have (on average 1.0784883720930232) internal successors, (371), 345 states have internal predecessors, (371), 44 states have call successors, (44), 41 states have call predecessors, (44), 41 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 17:34:25,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 459 transitions. [2024-11-12 17:34:25,923 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 459 transitions. Word has length 276 [2024-11-12 17:34:25,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:25,923 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 459 transitions. [2024-11-12 17:34:25,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.408163265306122) internal successors, (216), 49 states have internal predecessors, (216), 25 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 25 states have call predecessors, (59), 25 states have call successors, (59) [2024-11-12 17:34:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 459 transitions. [2024-11-12 17:34:25,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-12 17:34:25,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:25,927 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:25,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-12 17:34:26,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:26,129 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:26,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:26,129 INFO L85 PathProgramCache]: Analyzing trace with hash -757542025, now seen corresponding path program 2 times [2024-11-12 17:34:26,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:26,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155951588] [2024-11-12 17:34:26,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:26,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:34:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 17:34:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 17:34:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 17:34:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 17:34:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 17:34:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 17:34:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 17:34:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 17:34:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 17:34:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 17:34:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 17:34:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-12 17:34:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-12 17:34:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-12 17:34:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 17:34:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-12 17:34:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-12 17:34:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-12 17:34:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-12 17:34:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4614 backedges. 206 proven. 1 refuted. 0 times theorem prover too weak. 4407 trivial. 0 not checked. [2024-11-12 17:34:26,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:26,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155951588] [2024-11-12 17:34:26,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155951588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:26,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990333301] [2024-11-12 17:34:26,434 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:34:26,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:26,436 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:26,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-12 17:34:26,571 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:34:26,571 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:34:26,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-12 17:34:26,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4614 backedges. 4021 proven. 19 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-11-12 17:34:27,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:34:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4614 backedges. 2381 proven. 19 refuted. 0 times theorem prover too weak. 2214 trivial. 0 not checked. [2024-11-12 17:34:28,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990333301] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:34:28,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:34:28,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 43, 44] total 49 [2024-11-12 17:34:28,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816723319] [2024-11-12 17:34:28,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:34:28,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-12 17:34:28,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:28,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-12 17:34:28,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=1856, Unknown=0, NotChecked=0, Total=2352 [2024-11-12 17:34:28,300 INFO L87 Difference]: Start difference. First operand 431 states and 459 transitions. Second operand has 49 states, 49 states have (on average 4.3061224489795915) internal successors, (211), 49 states have internal predecessors, (211), 24 states have call successors, (57), 23 states have call predecessors, (57), 23 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) [2024-11-12 17:34:30,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:30,107 INFO L93 Difference]: Finished difference Result 716 states and 774 transitions. [2024-11-12 17:34:30,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-12 17:34:30,108 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 4.3061224489795915) internal successors, (211), 49 states have internal predecessors, (211), 24 states have call successors, (57), 23 states have call predecessors, (57), 23 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) Word has length 340 [2024-11-12 17:34:30,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:30,111 INFO L225 Difference]: With dead ends: 716 [2024-11-12 17:34:30,111 INFO L226 Difference]: Without dead ends: 470 [2024-11-12 17:34:30,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 666 SyntacticMatches, 41 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4622 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=3114, Invalid=10928, Unknown=0, NotChecked=0, Total=14042 [2024-11-12 17:34:30,115 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 125 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:30,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1187 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:34:30,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-12 17:34:30,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 460. [2024-11-12 17:34:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 368 states have (on average 1.0733695652173914) internal successors, (395), 368 states have internal predecessors, (395), 47 states have call successors, (47), 44 states have call predecessors, (47), 44 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-12 17:34:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 489 transitions. [2024-11-12 17:34:30,147 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 489 transitions. Word has length 340 [2024-11-12 17:34:30,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:30,149 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 489 transitions. [2024-11-12 17:34:30,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.3061224489795915) internal successors, (211), 49 states have internal predecessors, (211), 24 states have call successors, (57), 23 states have call predecessors, (57), 23 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) [2024-11-12 17:34:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 489 transitions. [2024-11-12 17:34:30,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-11-12 17:34:30,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:30,152 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 37, 37, 37, 37, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:30,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-12 17:34:30,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:30,353 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:30,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:30,355 INFO L85 PathProgramCache]: Analyzing trace with hash -627377882, now seen corresponding path program 1 times [2024-11-12 17:34:30,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:30,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64803906] [2024-11-12 17:34:30,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:30,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:34:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 17:34:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 17:34:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 17:34:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 17:34:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 17:34:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 17:34:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 17:34:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 17:34:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 17:34:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-12 17:34:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-12 17:34:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 17:34:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-12 17:34:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-12 17:34:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-12 17:34:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-12 17:34:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-11-12 17:34:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-12 17:34:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-12 17:34:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-12 17:34:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-12 17:34:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-11-12 17:34:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-12 17:34:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2024-11-12 17:34:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-11-12 17:34:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-11-12 17:34:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-11-12 17:34:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7300 backedges. 2201 proven. 884 refuted. 0 times theorem prover too weak. 4215 trivial. 0 not checked. [2024-11-12 17:34:31,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:31,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64803906] [2024-11-12 17:34:31,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64803906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:31,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542711606] [2024-11-12 17:34:31,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:31,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:31,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:31,979 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:31,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-12 17:34:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:32,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-12 17:34:32,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 7300 backedges. 3713 proven. 1496 refuted. 0 times theorem prover too weak. 2091 trivial. 0 not checked. [2024-11-12 17:34:32,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:34:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7300 backedges. 2201 proven. 884 refuted. 0 times theorem prover too weak. 4215 trivial. 0 not checked. [2024-11-12 17:34:33,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542711606] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:34:33,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:34:33,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39, 40] total 46 [2024-11-12 17:34:33,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824989491] [2024-11-12 17:34:33,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:34:33,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-12 17:34:33,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:33,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-12 17:34:33,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=1575, Unknown=0, NotChecked=0, Total=2070 [2024-11-12 17:34:33,175 INFO L87 Difference]: Start difference. First operand 460 states and 489 transitions. Second operand has 46 states, 46 states have (on average 4.369565217391305) internal successors, (201), 46 states have internal predecessors, (201), 22 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 22 states have call predecessors, (54), 22 states have call successors, (54) [2024-11-12 17:34:34,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:34,131 INFO L93 Difference]: Finished difference Result 705 states and 758 transitions. [2024-11-12 17:34:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-12 17:34:34,132 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 4.369565217391305) internal successors, (201), 46 states have internal predecessors, (201), 22 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 22 states have call predecessors, (54), 22 states have call successors, (54) Word has length 432 [2024-11-12 17:34:34,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:34,134 INFO L225 Difference]: With dead ends: 705 [2024-11-12 17:34:34,134 INFO L226 Difference]: Without dead ends: 460 [2024-11-12 17:34:34,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1026 GetRequests, 909 SyntacticMatches, 35 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2389 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2002, Invalid=4970, Unknown=0, NotChecked=0, Total=6972 [2024-11-12 17:34:34,136 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 140 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:34,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 452 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:34:34,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-12 17:34:34,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2024-11-12 17:34:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 368 states have (on average 1.0679347826086956) internal successors, (393), 368 states have internal predecessors, (393), 47 states have call successors, (47), 44 states have call predecessors, (47), 44 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-12 17:34:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 487 transitions. [2024-11-12 17:34:34,165 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 487 transitions. Word has length 432 [2024-11-12 17:34:34,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:34,165 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 487 transitions. [2024-11-12 17:34:34,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.369565217391305) internal successors, (201), 46 states have internal predecessors, (201), 22 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 22 states have call predecessors, (54), 22 states have call successors, (54) [2024-11-12 17:34:34,166 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 487 transitions. [2024-11-12 17:34:34,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2024-11-12 17:34:34,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:34:34,169 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 41, 41, 41, 39, 39, 39, 39, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:34,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-12 17:34:34,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-12 17:34:34,369 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 17:34:34,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:34:34,370 INFO L85 PathProgramCache]: Analyzing trace with hash -885667900, now seen corresponding path program 2 times [2024-11-12 17:34:34,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:34:34,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834049417] [2024-11-12 17:34:34,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:34:34,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:34:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:34:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:34:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:34:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 17:34:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 17:34:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 17:34:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:34:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:34:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:34:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 17:34:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:34:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:34:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:34:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-12 17:34:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 17:34:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 17:34:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 17:34:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 17:34:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 17:34:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 17:34:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 17:34:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 17:34:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 17:34:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 17:34:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 17:34:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-12 17:34:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-12 17:34:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 17:34:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-12 17:34:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-12 17:34:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-12 17:34:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-12 17:34:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-11-12 17:34:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-12 17:34:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-12 17:34:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-12 17:34:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-12 17:34:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-11-12 17:34:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-12 17:34:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2024-11-12 17:34:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-11-12 17:34:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-11-12 17:34:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-11-12 17:34:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2024-11-12 17:34:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2024-11-12 17:34:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:34:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 8082 backedges. 284 proven. 1 refuted. 0 times theorem prover too weak. 7797 trivial. 0 not checked. [2024-11-12 17:34:34,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:34:34,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834049417] [2024-11-12 17:34:34,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834049417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:34:34,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045525029] [2024-11-12 17:34:34,797 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:34:34,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:34:34,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:34:34,799 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:34:34,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-12 17:34:34,968 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:34:34,968 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:34:34,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:34:34,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:34:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 8082 backedges. 4155 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2024-11-12 17:34:35,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:34:35,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045525029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:34:35,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:34:35,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2024-11-12 17:34:35,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152509680] [2024-11-12 17:34:35,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:34:35,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:34:35,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:34:35,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:34:35,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:34:35,035 INFO L87 Difference]: Start difference. First operand 460 states and 487 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:34:35,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:34:35,088 INFO L93 Difference]: Finished difference Result 468 states and 496 transitions. [2024-11-12 17:34:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:34:35,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 452 [2024-11-12 17:34:35,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:34:35,089 INFO L225 Difference]: With dead ends: 468 [2024-11-12 17:34:35,089 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 17:34:35,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:34:35,090 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:34:35,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 157 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:34:35,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 17:34:35,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 17:34:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:34:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 17:34:35,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 452 [2024-11-12 17:34:35,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:34:35,092 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 17:34:35,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:34:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 17:34:35,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 17:34:35,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-12 17:34:35,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-12 17:34:35,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-12 17:34:35,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-12 17:34:35,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-12 17:34:35,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-12 17:34:35,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-12 17:34:35,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-12 17:34:35,300 INFO L421 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:34:35,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.