./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.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 1b50d522769b95768e9038f61a48a3b927d40a7b91b44cb14af45fcd08759b69 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 21:01:44,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:01:44,165 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 21:01:44,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:01:44,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:01:44,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:01:44,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:01:44,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:01:44,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:01:44,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:01:44,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:01:44,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:01:44,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:01:44,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:01:44,198 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:01:44,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:01:44,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:01:44,199 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 21:01:44,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:01:44,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 21:01:44,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:01:44,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:01:44,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:01:44,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:01:44,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:01:44,204 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:01:44,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:01:44,204 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 21:01:44,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:01:44,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:01:44,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:01:44,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:01:44,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:01:44,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:01:44,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:01:44,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:01:44,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:01:44,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:01:44,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:01:44,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:01:44,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:01:44,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:01:44,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:01:44,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:01:44,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b50d522769b95768e9038f61a48a3b927d40a7b91b44cb14af45fcd08759b69 [2024-10-14 21:01:44,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:01:44,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:01:44,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:01:44,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:01:44,417 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:01:44,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-10-14 21:01:45,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:01:45,841 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:01:45,842 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-10-14 21:01:45,847 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ddd190a/d07fcde652e046f1bfba1de1fa8494b6/FLAG4bcabd985 [2024-10-14 21:01:46,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ddd190a/d07fcde652e046f1bfba1de1fa8494b6 [2024-10-14 21:01:46,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:01:46,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:01:46,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:01:46,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:01:46,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:01:46,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3973240f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46, skipping insertion in model container [2024-10-14 21:01:46,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:01:46,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:01:46,417 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:01:46,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:01:46,439 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:01:46,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46 WrapperNode [2024-10-14 21:01:46,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:01:46,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:01:46,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:01:46,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:01:46,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,468 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-10-14 21:01:46,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:01:46,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:01:46,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:01:46,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:01:46,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,495 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 21:01:46,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:01:46,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:01:46,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:01:46,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:01:46,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (1/1) ... [2024-10-14 21:01:46,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:01:46,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:46,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 21:01:46,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 21:01:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:01:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:01:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:01:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:01:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 21:01:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 21:01:46,647 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:01:46,648 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:01:46,799 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-14 21:01:46,799 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:01:46,831 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:01:46,832 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 21:01:46,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:46 BoogieIcfgContainer [2024-10-14 21:01:46,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:01:46,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:01:46,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:01:46,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:01:46,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:01:46" (1/3) ... [2024-10-14 21:01:46,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11740ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:46, skipping insertion in model container [2024-10-14 21:01:46,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:01:46" (2/3) ... [2024-10-14 21:01:46,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11740ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:01:46, skipping insertion in model container [2024-10-14 21:01:46,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:01:46" (3/3) ... [2024-10-14 21:01:46,840 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound5.c [2024-10-14 21:01:46,853 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:01:46,853 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-14 21:01:46,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:01:46,912 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;@63f4c171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:01:46,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-14 21:01:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 53 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:46,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 21:01:46,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:46,921 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 21:01:46,922 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:46,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:46,927 INFO L85 PathProgramCache]: Analyzing trace with hash 115598281, now seen corresponding path program 1 times [2024-10-14 21:01:46,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:46,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015579135] [2024-10-14 21:01:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:47,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:47,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015579135] [2024-10-14 21:01:47,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015579135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:47,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:47,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:01:47,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86265182] [2024-10-14 21:01:47,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:47,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 21:01:47,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:47,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 21:01:47,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 21:01:47,045 INFO L87 Difference]: Start difference. First operand has 57 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 53 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-10-14 21:01:47,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:47,064 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2024-10-14 21:01:47,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 21:01:47,070 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-14 21:01:47,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:47,075 INFO L225 Difference]: With dead ends: 110 [2024-10-14 21:01:47,075 INFO L226 Difference]: Without dead ends: 52 [2024-10-14 21:01:47,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 21:01:47,079 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:47,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:47,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-14 21:01:47,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-14 21:01:47,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 49 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-10-14 21:01:47,106 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 5 [2024-10-14 21:01:47,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:47,107 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2024-10-14 21:01:47,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-10-14 21:01:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-10-14 21:01:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 21:01:47,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:47,108 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 21:01:47,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:01:47,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:47,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:47,109 INFO L85 PathProgramCache]: Analyzing trace with hash -709572716, now seen corresponding path program 1 times [2024-10-14 21:01:47,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:47,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194045285] [2024-10-14 21:01:47,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:47,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:01:47,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1808447908] [2024-10-14 21:01:47,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:47,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:47,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:47,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:47,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 21:01:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:47,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:01:47,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:47,197 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:01:47,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:47,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194045285] [2024-10-14 21:01:47,197 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:01:47,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808447908] [2024-10-14 21:01:47,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808447908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:47,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:47,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:01:47,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797833433] [2024-10-14 21:01:47,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:47,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:01:47,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:47,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:01:47,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:47,200 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:47,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:47,268 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2024-10-14 21:01:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:01:47,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 21:01:47,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:47,269 INFO L225 Difference]: With dead ends: 85 [2024-10-14 21:01:47,270 INFO L226 Difference]: Without dead ends: 81 [2024-10-14 21:01:47,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:47,271 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:47,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 51 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-14 21:01:47,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2024-10-14 21:01:47,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 65 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2024-10-14 21:01:47,281 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 6 [2024-10-14 21:01:47,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:47,281 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2024-10-14 21:01:47,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2024-10-14 21:01:47,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 21:01:47,282 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:47,282 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:47,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 21:01:47,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:47,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:47,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:47,487 INFO L85 PathProgramCache]: Analyzing trace with hash -521917662, now seen corresponding path program 1 times [2024-10-14 21:01:47,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:47,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272399206] [2024-10-14 21:01:47,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:47,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:47,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:47,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272399206] [2024-10-14 21:01:47,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272399206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:47,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:47,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:01:47,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600599491] [2024-10-14 21:01:47,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:47,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:01:47,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:47,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:01:47,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:47,544 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:47,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:47,604 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2024-10-14 21:01:47,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:01:47,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-14 21:01:47,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:47,606 INFO L225 Difference]: With dead ends: 87 [2024-10-14 21:01:47,606 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 21:01:47,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:47,607 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:47,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 55 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 21:01:47,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2024-10-14 21:01:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 70 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2024-10-14 21:01:47,613 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 7 [2024-10-14 21:01:47,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:47,613 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2024-10-14 21:01:47,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:01:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2024-10-14 21:01:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 21:01:47,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:47,614 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:47,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:01:47,614 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:47,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:47,615 INFO L85 PathProgramCache]: Analyzing trace with hash -667401448, now seen corresponding path program 1 times [2024-10-14 21:01:47,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:47,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160874434] [2024-10-14 21:01:47,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:47,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:47,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:47,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160874434] [2024-10-14 21:01:47,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160874434] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:47,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:47,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:01:47,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076065896] [2024-10-14 21:01:47,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:47,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:01:47,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:47,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:01:47,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:47,707 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-14 21:01:47,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:47,823 INFO L93 Difference]: Finished difference Result 83 states and 86 transitions. [2024-10-14 21:01:47,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:01:47,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-14 21:01:47,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:47,824 INFO L225 Difference]: With dead ends: 83 [2024-10-14 21:01:47,824 INFO L226 Difference]: Without dead ends: 71 [2024-10-14 21:01:47,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:47,826 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 21 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:47,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 66 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:47,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-14 21:01:47,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2024-10-14 21:01:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.5) internal successors, (66), 63 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-10-14 21:01:47,834 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 10 [2024-10-14 21:01:47,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:47,834 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-10-14 21:01:47,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-14 21:01:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-10-14 21:01:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 21:01:47,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:47,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:47,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 21:01:47,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:47,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:47,836 INFO L85 PathProgramCache]: Analyzing trace with hash 995753226, now seen corresponding path program 1 times [2024-10-14 21:01:47,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:47,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124742668] [2024-10-14 21:01:47,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:47,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:47,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:47,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:47,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124742668] [2024-10-14 21:01:47,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124742668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:47,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:47,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:01:47,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417331106] [2024-10-14 21:01:47,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:47,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:01:47,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:47,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:01:47,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:47,900 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:47,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:47,913 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2024-10-14 21:01:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:01:47,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-10-14 21:01:47,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:47,914 INFO L225 Difference]: With dead ends: 69 [2024-10-14 21:01:47,914 INFO L226 Difference]: Without dead ends: 67 [2024-10-14 21:01:47,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:01:47,915 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:47,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 92 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:47,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-14 21:01:47,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-14 21:01:47,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 63 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2024-10-14 21:01:47,919 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 19 [2024-10-14 21:01:47,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:47,920 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2024-10-14 21:01:47,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2024-10-14 21:01:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 21:01:47,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:47,921 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:47,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 21:01:47,921 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:47,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:47,922 INFO L85 PathProgramCache]: Analyzing trace with hash -725405042, now seen corresponding path program 1 times [2024-10-14 21:01:47,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:47,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622958910] [2024-10-14 21:01:47,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:47,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:47,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:47,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622958910] [2024-10-14 21:01:47,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622958910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:47,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:47,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:01:47,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421471905] [2024-10-14 21:01:47,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:47,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:01:47,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:47,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:01:47,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:47,996 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:48,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:48,061 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2024-10-14 21:01:48,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:01:48,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-14 21:01:48,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:48,062 INFO L225 Difference]: With dead ends: 70 [2024-10-14 21:01:48,062 INFO L226 Difference]: Without dead ends: 69 [2024-10-14 21:01:48,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:48,063 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:48,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:48,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-14 21:01:48,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-10-14 21:01:48,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 64 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2024-10-14 21:01:48,067 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 23 [2024-10-14 21:01:48,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:48,068 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2024-10-14 21:01:48,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2024-10-14 21:01:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 21:01:48,068 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:48,068 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:48,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 21:01:48,069 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:48,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:48,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1012719740, now seen corresponding path program 1 times [2024-10-14 21:01:48,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:48,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720768131] [2024-10-14 21:01:48,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:48,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:48,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:48,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:48,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720768131] [2024-10-14 21:01:48,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720768131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:48,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:01:48,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:01:48,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012043936] [2024-10-14 21:01:48,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:48,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:01:48,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:48,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:01:48,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:48,147 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:48,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:48,217 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2024-10-14 21:01:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:01:48,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-10-14 21:01:48,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:48,218 INFO L225 Difference]: With dead ends: 70 [2024-10-14 21:01:48,218 INFO L226 Difference]: Without dead ends: 69 [2024-10-14 21:01:48,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:01:48,218 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:48,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:48,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-14 21:01:48,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-10-14 21:01:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.434782608695652) internal successors, (66), 65 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2024-10-14 21:01:48,223 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 24 [2024-10-14 21:01:48,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:48,223 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2024-10-14 21:01:48,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2024-10-14 21:01:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 21:01:48,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:48,224 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:48,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 21:01:48,224 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:48,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:48,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2083439506, now seen corresponding path program 1 times [2024-10-14 21:01:48,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:48,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763872822] [2024-10-14 21:01:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:48,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:01:48,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840781225] [2024-10-14 21:01:48,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:48,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:48,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:48,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:48,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 21:01:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:48,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:01:48,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:48,332 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:48,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:48,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763872822] [2024-10-14 21:01:48,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:01:48,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840781225] [2024-10-14 21:01:48,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840781225] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:48,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:01:48,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-14 21:01:48,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365078985] [2024-10-14 21:01:48,388 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:48,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:01:48,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:48,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:01:48,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:01:48,389 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:48,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:48,502 INFO L93 Difference]: Finished difference Result 135 states and 166 transitions. [2024-10-14 21:01:48,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:01:48,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2024-10-14 21:01:48,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:48,503 INFO L225 Difference]: With dead ends: 135 [2024-10-14 21:01:48,503 INFO L226 Difference]: Without dead ends: 131 [2024-10-14 21:01:48,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:01:48,504 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 105 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:48,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 89 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:48,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-14 21:01:48,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 103. [2024-10-14 21:01:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.4814814814814814) internal successors, (120), 97 states have internal predecessors, (120), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 128 transitions. [2024-10-14 21:01:48,511 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 128 transitions. Word has length 27 [2024-10-14 21:01:48,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:48,511 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 128 transitions. [2024-10-14 21:01:48,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2024-10-14 21:01:48,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 21:01:48,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:48,512 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:48,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 21:01:48,716 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,SelfDestructingSolverStorable7 [2024-10-14 21:01:48,717 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:48,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:48,718 INFO L85 PathProgramCache]: Analyzing trace with hash -162115192, now seen corresponding path program 1 times [2024-10-14 21:01:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:48,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919447032] [2024-10-14 21:01:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:48,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:48,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:48,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:48,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919447032] [2024-10-14 21:01:48,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919447032] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:48,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040164025] [2024-10-14 21:01:48,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:48,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:48,829 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:48,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 21:01:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:48,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:01:48,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:49,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:49,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040164025] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:49,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:49,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-14 21:01:49,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191672106] [2024-10-14 21:01:49,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:49,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 21:01:49,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:49,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 21:01:49,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:01:49,080 INFO L87 Difference]: Start difference. First operand 103 states and 128 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:01:49,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:49,203 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2024-10-14 21:01:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:01:49,204 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 28 [2024-10-14 21:01:49,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:49,204 INFO L225 Difference]: With dead ends: 103 [2024-10-14 21:01:49,204 INFO L226 Difference]: Without dead ends: 100 [2024-10-14 21:01:49,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:01:49,205 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 47 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:49,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 72 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:49,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-14 21:01:49,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-10-14 21:01:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 94 states have internal predecessors, (113), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 121 transitions. [2024-10-14 21:01:49,211 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 121 transitions. Word has length 28 [2024-10-14 21:01:49,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:49,211 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 121 transitions. [2024-10-14 21:01:49,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:01:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 121 transitions. [2024-10-14 21:01:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 21:01:49,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:49,212 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-14 21:01:49,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 21:01:49,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:49,413 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:49,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:49,413 INFO L85 PathProgramCache]: Analyzing trace with hash -730603600, now seen corresponding path program 1 times [2024-10-14 21:01:49,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:49,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133100270] [2024-10-14 21:01:49,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:49,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:49,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:49,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:49,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133100270] [2024-10-14 21:01:49,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133100270] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:49,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171760806] [2024-10-14 21:01:49,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:49,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:49,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:49,462 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:49,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 21:01:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:49,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:01:49,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:49,549 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:49,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171760806] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:49,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:49,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-14 21:01:49,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776382889] [2024-10-14 21:01:49,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:49,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 21:01:49,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:49,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 21:01:49,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:01:49,601 INFO L87 Difference]: Start difference. First operand 100 states and 121 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:01:49,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:49,733 INFO L93 Difference]: Finished difference Result 112 states and 133 transitions. [2024-10-14 21:01:49,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 21:01:49,733 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 29 [2024-10-14 21:01:49,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:49,734 INFO L225 Difference]: With dead ends: 112 [2024-10-14 21:01:49,734 INFO L226 Difference]: Without dead ends: 105 [2024-10-14 21:01:49,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:01:49,738 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 52 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:49,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 94 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-14 21:01:49,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2024-10-14 21:01:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 89 states have internal predecessors, (101), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2024-10-14 21:01:49,747 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 29 [2024-10-14 21:01:49,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:49,747 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2024-10-14 21:01:49,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:01:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2024-10-14 21:01:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 21:01:49,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:49,748 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:49,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 21:01:49,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:49,949 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:49,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:49,949 INFO L85 PathProgramCache]: Analyzing trace with hash -2030388494, now seen corresponding path program 1 times [2024-10-14 21:01:49,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:49,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087633228] [2024-10-14 21:01:49,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:49,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:50,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:50,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087633228] [2024-10-14 21:01:50,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087633228] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:50,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280128340] [2024-10-14 21:01:50,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:50,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:50,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:50,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 21:01:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 21:01:50,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:01:50,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:01:50,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280128340] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:50,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:01:50,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-14 21:01:50,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346948417] [2024-10-14 21:01:50,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:50,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:01:50,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:50,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:01:50,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:01:50,214 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:50,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:50,301 INFO L93 Difference]: Finished difference Result 95 states and 109 transitions. [2024-10-14 21:01:50,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:01:50,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-10-14 21:01:50,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:50,302 INFO L225 Difference]: With dead ends: 95 [2024-10-14 21:01:50,302 INFO L226 Difference]: Without dead ends: 83 [2024-10-14 21:01:50,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:01:50,303 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 51 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:50,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 37 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:50,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-14 21:01:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-14 21:01:50,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 77 states have internal predecessors, (83), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2024-10-14 21:01:50,311 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 31 [2024-10-14 21:01:50,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:50,311 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2024-10-14 21:01:50,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 21:01:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2024-10-14 21:01:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 21:01:50,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:50,313 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:50,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 21:01:50,514 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,SelfDestructingSolverStorable10 [2024-10-14 21:01:50,515 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:50,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:50,515 INFO L85 PathProgramCache]: Analyzing trace with hash 821541488, now seen corresponding path program 1 times [2024-10-14 21:01:50,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:50,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118725888] [2024-10-14 21:01:50,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:50,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:50,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118725888] [2024-10-14 21:01:50,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118725888] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:50,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628918208] [2024-10-14 21:01:50,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:50,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:50,569 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:50,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 21:01:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:01:50,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:50,664 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:01:50,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628918208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:50,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:01:50,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-14 21:01:50,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427712584] [2024-10-14 21:01:50,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:50,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:01:50,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:50,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:01:50,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:01:50,665 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:50,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:50,684 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2024-10-14 21:01:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:01:50,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-10-14 21:01:50,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:50,685 INFO L225 Difference]: With dead ends: 83 [2024-10-14 21:01:50,685 INFO L226 Difference]: Without dead ends: 82 [2024-10-14 21:01:50,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:01:50,686 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:50,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:50,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-14 21:01:50,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-14 21:01:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 73 states have (on average 1.095890410958904) internal successors, (80), 76 states have internal predecessors, (80), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:01:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2024-10-14 21:01:50,691 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 40 [2024-10-14 21:01:50,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:50,691 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2024-10-14 21:01:50,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2024-10-14 21:01:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-14 21:01:50,692 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:50,692 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:01:50,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 21:01:50,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:50,893 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:50,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:50,894 INFO L85 PathProgramCache]: Analyzing trace with hash -302017574, now seen corresponding path program 1 times [2024-10-14 21:01:50,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:50,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472406846] [2024-10-14 21:01:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:50,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:50,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472406846] [2024-10-14 21:01:50,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472406846] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:50,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040169471] [2024-10-14 21:01:50,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:50,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:50,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:50,945 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:50,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 21:01:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:50,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:01:50,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:51,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:01:51,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040169471] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:51,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:51,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-14 21:01:51,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563688081] [2024-10-14 21:01:51,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:51,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:01:51,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:51,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:01:51,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:01:51,113 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:01:51,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:51,138 INFO L93 Difference]: Finished difference Result 95 states and 101 transitions. [2024-10-14 21:01:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:01:51,139 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 41 [2024-10-14 21:01:51,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:51,139 INFO L225 Difference]: With dead ends: 95 [2024-10-14 21:01:51,140 INFO L226 Difference]: Without dead ends: 94 [2024-10-14 21:01:51,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:01:51,140 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:51,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 95 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:51,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-14 21:01:51,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2024-10-14 21:01:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 82 states have (on average 1.0731707317073171) internal successors, (88), 85 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:01:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2024-10-14 21:01:51,146 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 41 [2024-10-14 21:01:51,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:51,147 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2024-10-14 21:01:51,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:01:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2024-10-14 21:01:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-14 21:01:51,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:51,148 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-14 21:01:51,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 21:01:51,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:51,349 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:51,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:51,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1523975228, now seen corresponding path program 1 times [2024-10-14 21:01:51,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:51,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263217201] [2024-10-14 21:01:51,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:51,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:51,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:51,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:51,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:51,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:51,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263217201] [2024-10-14 21:01:51,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263217201] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:51,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854793837] [2024-10-14 21:01:51,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:51,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:51,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:51,506 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:51,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 21:01:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:51,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:01:51,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:51,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:51,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854793837] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:51,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:51,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-14 21:01:51,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132634609] [2024-10-14 21:01:51,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:51,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-14 21:01:51,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:51,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-14 21:01:51,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-10-14 21:01:51,866 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:01:52,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:52,057 INFO L93 Difference]: Finished difference Result 133 states and 147 transitions. [2024-10-14 21:01:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 21:01:52,058 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 66 [2024-10-14 21:01:52,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:52,059 INFO L225 Difference]: With dead ends: 133 [2024-10-14 21:01:52,059 INFO L226 Difference]: Without dead ends: 132 [2024-10-14 21:01:52,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-10-14 21:01:52,060 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:52,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 78 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:52,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-14 21:01:52,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2024-10-14 21:01:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 118 states have (on average 1.0932203389830508) internal successors, (129), 121 states have internal predecessors, (129), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:01:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 143 transitions. [2024-10-14 21:01:52,065 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 143 transitions. Word has length 66 [2024-10-14 21:01:52,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:52,065 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 143 transitions. [2024-10-14 21:01:52,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:01:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 143 transitions. [2024-10-14 21:01:52,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 21:01:52,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:52,066 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-14 21:01:52,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 21:01:52,266 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,SelfDestructingSolverStorable13 [2024-10-14 21:01:52,267 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:52,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:52,267 INFO L85 PathProgramCache]: Analyzing trace with hash -838030480, now seen corresponding path program 2 times [2024-10-14 21:01:52,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:52,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732007976] [2024-10-14 21:01:52,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:52,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:52,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:52,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732007976] [2024-10-14 21:01:52,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732007976] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:52,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6287769] [2024-10-14 21:01:52,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:01:52,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:52,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:52,392 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:52,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 21:01:52,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:01:52,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:52,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 21:01:52,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:52,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 21:01:52,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6287769] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:52,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:52,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-14 21:01:52,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713518228] [2024-10-14 21:01:52,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:52,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-14 21:01:52,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:52,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-14 21:01:52,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-10-14 21:01:52,757 INFO L87 Difference]: Start difference. First operand 130 states and 143 transitions. Second operand has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:01:53,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:53,018 INFO L93 Difference]: Finished difference Result 139 states and 150 transitions. [2024-10-14 21:01:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 21:01:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 71 [2024-10-14 21:01:53,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:53,019 INFO L225 Difference]: With dead ends: 139 [2024-10-14 21:01:53,019 INFO L226 Difference]: Without dead ends: 138 [2024-10-14 21:01:53,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-10-14 21:01:53,023 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 70 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:53,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 124 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:53,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-14 21:01:53,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2024-10-14 21:01:53,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 123 states have (on average 1.0731707317073171) internal successors, (132), 126 states have internal predecessors, (132), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:01:53,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 146 transitions. [2024-10-14 21:01:53,031 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 146 transitions. Word has length 71 [2024-10-14 21:01:53,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:53,032 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 146 transitions. [2024-10-14 21:01:53,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:01:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2024-10-14 21:01:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 21:01:53,032 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:53,032 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-14 21:01:53,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 21:01:53,233 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,SelfDestructingSolverStorable14 [2024-10-14 21:01:53,233 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:53,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:53,234 INFO L85 PathProgramCache]: Analyzing trace with hash -479440876, now seen corresponding path program 2 times [2024-10-14 21:01:53,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:53,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074809576] [2024-10-14 21:01:53,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:53,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:01:53,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327252013] [2024-10-14 21:01:53,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:01:53,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:53,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:53,256 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:53,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 21:01:53,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:01:53,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:53,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 21:01:53,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 21:01:53,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 21:01:53,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:53,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074809576] [2024-10-14 21:01:53,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:01:53,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327252013] [2024-10-14 21:01:53,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327252013] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:53,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:01:53,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-14 21:01:53,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245734063] [2024-10-14 21:01:53,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:53,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 21:01:53,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:53,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 21:01:53,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:01:53,629 INFO L87 Difference]: Start difference. First operand 135 states and 146 transitions. Second operand has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 21:01:53,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:53,886 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2024-10-14 21:01:53,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 21:01:53,887 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 90 [2024-10-14 21:01:53,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:53,888 INFO L225 Difference]: With dead ends: 192 [2024-10-14 21:01:53,888 INFO L226 Difference]: Without dead ends: 191 [2024-10-14 21:01:53,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-14 21:01:53,889 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 106 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:53,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 281 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:01:53,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-14 21:01:53,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2024-10-14 21:01:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 169 states have (on average 1.0828402366863905) internal successors, (183), 172 states have internal predecessors, (183), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 21:01:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 203 transitions. [2024-10-14 21:01:53,897 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 203 transitions. Word has length 90 [2024-10-14 21:01:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:53,897 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 203 transitions. [2024-10-14 21:01:53,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 21:01:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 203 transitions. [2024-10-14 21:01:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 21:01:53,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:53,901 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-14 21:01:53,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-14 21:01:54,104 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,SelfDestructingSolverStorable15 [2024-10-14 21:01:54,105 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:54,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:54,105 INFO L85 PathProgramCache]: Analyzing trace with hash -276542208, now seen corresponding path program 2 times [2024-10-14 21:01:54,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:54,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204698738] [2024-10-14 21:01:54,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:54,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 21:01:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 21:01:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,174 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-14 21:01:54,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204698738] [2024-10-14 21:01:54,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204698738] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039304204] [2024-10-14 21:01:54,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:01:54,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:54,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:54,176 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:54,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 21:01:54,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 21:01:54,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:54,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:01:54,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-14 21:01:54,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:01:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-14 21:01:54,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039304204] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:01:54,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:01:54,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-14 21:01:54,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097322221] [2024-10-14 21:01:54,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:01:54,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:01:54,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:54,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:01:54,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:01:54,359 INFO L87 Difference]: Start difference. First operand 184 states and 203 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:54,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:54,377 INFO L93 Difference]: Finished difference Result 184 states and 203 transitions. [2024-10-14 21:01:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:01:54,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 104 [2024-10-14 21:01:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:54,378 INFO L225 Difference]: With dead ends: 184 [2024-10-14 21:01:54,378 INFO L226 Difference]: Without dead ends: 183 [2024-10-14 21:01:54,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:01:54,379 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:54,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 57 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:01:54,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-14 21:01:54,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-10-14 21:01:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 169 states have (on average 1.047337278106509) internal successors, (177), 171 states have internal predecessors, (177), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 21:01:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 197 transitions. [2024-10-14 21:01:54,385 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 197 transitions. Word has length 104 [2024-10-14 21:01:54,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:54,385 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 197 transitions. [2024-10-14 21:01:54,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 197 transitions. [2024-10-14 21:01:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 21:01:54,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:54,386 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-14 21:01:54,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 21:01:54,587 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,SelfDestructingSolverStorable16 [2024-10-14 21:01:54,587 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:54,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:54,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1502231484, now seen corresponding path program 2 times [2024-10-14 21:01:54,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:54,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583140943] [2024-10-14 21:01:54,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:54,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 21:01:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 21:01:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 21:01:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 21:01:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 357 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 21:01:54,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:54,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583140943] [2024-10-14 21:01:54,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583140943] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:54,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137048886] [2024-10-14 21:01:54,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:01:54,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:54,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:54,883 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:54,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 21:01:54,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 21:01:54,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:54,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:01:54,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:01:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-10-14 21:01:55,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:01:55,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137048886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:01:55,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:01:55,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-10-14 21:01:55,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386466503] [2024-10-14 21:01:55,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:01:55,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:01:55,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:01:55,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:01:55,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-10-14 21:01:55,054 INFO L87 Difference]: Start difference. First operand 183 states and 197 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:55,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:01:55,130 INFO L93 Difference]: Finished difference Result 185 states and 199 transitions. [2024-10-14 21:01:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 21:01:55,131 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 150 [2024-10-14 21:01:55,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:01:55,131 INFO L225 Difference]: With dead ends: 185 [2024-10-14 21:01:55,131 INFO L226 Difference]: Without dead ends: 184 [2024-10-14 21:01:55,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-10-14 21:01:55,132 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 10 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:01:55,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 42 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:01:55,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-10-14 21:01:55,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2024-10-14 21:01:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 169 states have (on average 1.0236686390532543) internal successors, (173), 170 states have internal predecessors, (173), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 21:01:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 193 transitions. [2024-10-14 21:01:55,138 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 193 transitions. Word has length 150 [2024-10-14 21:01:55,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:01:55,139 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 193 transitions. [2024-10-14 21:01:55,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:01:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 193 transitions. [2024-10-14 21:01:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 21:01:55,140 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:01:55,140 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1] [2024-10-14 21:01:55,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 21:01:55,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 21:01:55,343 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-14 21:01:55,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:01:55,344 INFO L85 PathProgramCache]: Analyzing trace with hash 122303216, now seen corresponding path program 3 times [2024-10-14 21:01:55,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:01:55,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676133795] [2024-10-14 21:01:55,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:01:55,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:01:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 21:01:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:01:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 21:01:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 21:01:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 21:01:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 21:01:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 21:01:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:01:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 21:01:55,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:01:55,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676133795] [2024-10-14 21:01:55,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676133795] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:01:55,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442338567] [2024-10-14 21:01:55,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:01:55,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:01:55,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:01:55,642 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:01:55,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 21:01:55,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-14 21:01:55,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:01:55,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 21:01:55,684 INFO L278 TraceCheckSpWp]: Computing forward predicates...