./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.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 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:56:26,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:56:26,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:56:26,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:56:26,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:56:26,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:56:26,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:56:26,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:56:26,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:56:26,627 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:56:26,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:56:26,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:56:26,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:56:26,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:56:26,629 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:56:26,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:56:26,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:56:26,629 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:56:26,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:56:26,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:56:26,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:56:26,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:56:26,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:56:26,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:56:26,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:56:26,634 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:56:26,634 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:56:26,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:56:26,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:56:26,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:56:26,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:56:26,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:56:26,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:56:26,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:56:26,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:56:26,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:56:26,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:56:26,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:56:26,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:56:26,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:56:26,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:56:26,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:56:26,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:56:26,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:56:26,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 [2024-11-09 11:56:26,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:56:26,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:56:26,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:56:26,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:56:26,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:56:26,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2024-11-09 11:56:28,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:56:28,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:56:28,375 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2024-11-09 11:56:28,382 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea082a56/cb929074fc0f4a6db3e5d2561de898d2/FLAG074317caa [2024-11-09 11:56:28,393 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea082a56/cb929074fc0f4a6db3e5d2561de898d2 [2024-11-09 11:56:28,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:56:28,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:56:28,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:56:28,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:56:28,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:56:28,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68655e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28, skipping insertion in model container [2024-11-09 11:56:28,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:56:28,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:56:28,590 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:56:28,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:56:28,623 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:56:28,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28 WrapperNode [2024-11-09 11:56:28,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:56:28,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:56:28,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:56:28,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:56:28,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,658 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-09 11:56:28,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:56:28,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:56:28,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:56:28,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:56:28,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,669 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,682 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-09 11:56:28,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:56:28,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:56:28,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:56:28,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:56:28,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (1/1) ... [2024-11-09 11:56:28,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:56:28,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:28,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:56:28,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:56:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:56:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:56:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:56:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:56:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:56:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:56:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:56:28,837 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:56:28,846 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:56:29,249 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-09 11:56:29,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:56:29,260 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:56:29,260 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:56:29,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:56:29 BoogieIcfgContainer [2024-11-09 11:56:29,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:56:29,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:56:29,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:56:29,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:56:29,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:56:28" (1/3) ... [2024-11-09 11:56:29,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719fa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:56:29, skipping insertion in model container [2024-11-09 11:56:29,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:28" (2/3) ... [2024-11-09 11:56:29,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719fa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:56:29, skipping insertion in model container [2024-11-09 11:56:29,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:56:29" (3/3) ... [2024-11-09 11:56:29,268 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_valuebound10.c [2024-11-09 11:56:29,282 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:56:29,282 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-09 11:56:29,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:56:29,334 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;@1479d3af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:56:29,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-09 11:56:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 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) [2024-11-09 11:56:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:56:29,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:29,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:29,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:29,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:29,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1804971306, now seen corresponding path program 1 times [2024-11-09 11:56:29,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:29,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244175753] [2024-11-09 11:56:29,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:29,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:56:29,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:29,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244175753] [2024-11-09 11:56:29,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244175753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:29,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:29,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:29,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107798495] [2024-11-09 11:56:29,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:29,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:56:29,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:29,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:56:29,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:56:29,515 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 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) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:56:29,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:29,535 INFO L93 Difference]: Finished difference Result 144 states and 178 transitions. [2024-11-09 11:56:29,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:56:29,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:56:29,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:29,543 INFO L225 Difference]: With dead ends: 144 [2024-11-09 11:56:29,544 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 11:56:29,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:56:29,549 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:29,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:29,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 11:56:29,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 11:56:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:56:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2024-11-09 11:56:29,583 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 7 [2024-11-09 11:56:29,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:29,584 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2024-11-09 11:56:29,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:56:29,585 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2024-11-09 11:56:29,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:56:29,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:29,586 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:29,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:56:29,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:29,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:29,587 INFO L85 PathProgramCache]: Analyzing trace with hash -589934396, now seen corresponding path program 1 times [2024-11-09 11:56:29,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:29,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075135021] [2024-11-09 11:56:29,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:29,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:29,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1115624331] [2024-11-09 11:56:29,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:29,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:29,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:29,613 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:29,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:56:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:29,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:29,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:56:29,769 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:29,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:29,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075135021] [2024-11-09 11:56:29,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:29,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115624331] [2024-11-09 11:56:29,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115624331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:29,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:29,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:29,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191178988] [2024-11-09 11:56:29,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:29,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:29,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:29,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:29,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:29,773 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:56:29,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:29,836 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2024-11-09 11:56:29,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:29,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-09 11:56:29,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:29,838 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:56:29,838 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 11:56:29,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:29,839 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:29,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 97 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:29,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 11:56:29,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-09 11:56:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.6346153846153846) internal successors, (85), 75 states have internal predecessors, (85), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:56:29,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2024-11-09 11:56:29,849 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 16 [2024-11-09 11:56:29,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:29,850 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2024-11-09 11:56:29,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:56:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2024-11-09 11:56:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:56:29,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:29,851 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:29,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:56:30,051 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 [2024-11-09 11:56:30,052 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:30,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:30,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1036301913, now seen corresponding path program 1 times [2024-11-09 11:56:30,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:30,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114761136] [2024-11-09 11:56:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:30,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:30,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114761136] [2024-11-09 11:56:30,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114761136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:30,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:30,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:30,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997788049] [2024-11-09 11:56:30,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:30,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:30,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:30,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:30,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:30,191 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:30,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:30,245 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2024-11-09 11:56:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:30,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-09 11:56:30,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:30,248 INFO L225 Difference]: With dead ends: 97 [2024-11-09 11:56:30,248 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 11:56:30,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:30,249 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:30,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 108 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:30,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 11:56:30,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-09 11:56:30,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 75 states have internal predecessors, (83), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:56:30,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 103 transitions. [2024-11-09 11:56:30,263 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 103 transitions. Word has length 24 [2024-11-09 11:56:30,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:30,263 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 103 transitions. [2024-11-09 11:56:30,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2024-11-09 11:56:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:56:30,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:30,265 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:30,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:56:30,266 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:30,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:30,267 INFO L85 PathProgramCache]: Analyzing trace with hash 2060586917, now seen corresponding path program 1 times [2024-11-09 11:56:30,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:30,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141024010] [2024-11-09 11:56:30,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:30,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1506935818] [2024-11-09 11:56:30,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:30,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:30,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:30,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:56:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:56:30,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:30,389 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:30,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:30,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141024010] [2024-11-09 11:56:30,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:30,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506935818] [2024-11-09 11:56:30,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506935818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:30,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:30,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:30,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961124530] [2024-11-09 11:56:30,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:30,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:30,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:30,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:30,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:30,393 INFO L87 Difference]: Start difference. First operand 87 states and 103 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:30,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:30,491 INFO L93 Difference]: Finished difference Result 122 states and 147 transitions. [2024-11-09 11:56:30,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:30,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-09 11:56:30,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:30,493 INFO L225 Difference]: With dead ends: 122 [2024-11-09 11:56:30,493 INFO L226 Difference]: Without dead ends: 118 [2024-11-09 11:56:30,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:30,494 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:30,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 90 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:30,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-09 11:56:30,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 104. [2024-11-09 11:56:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5820895522388059) internal successors, (106), 90 states have internal predecessors, (106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 130 transitions. [2024-11-09 11:56:30,513 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 130 transitions. Word has length 25 [2024-11-09 11:56:30,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:30,514 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 130 transitions. [2024-11-09 11:56:30,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2024-11-09 11:56:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 11:56:30,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:30,515 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:30,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:56:30,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 11:56:30,715 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:30,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:30,716 INFO L85 PathProgramCache]: Analyzing trace with hash 244106439, now seen corresponding path program 1 times [2024-11-09 11:56:30,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:30,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92259577] [2024-11-09 11:56:30,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:30,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:30,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92259577] [2024-11-09 11:56:30,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92259577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:30,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:30,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:56:30,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855026979] [2024-11-09 11:56:30,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:30,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:30,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:30,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:30,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:30,903 INFO L87 Difference]: Start difference. First operand 104 states and 130 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:56:31,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:31,193 INFO L93 Difference]: Finished difference Result 120 states and 144 transitions. [2024-11-09 11:56:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:31,193 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-11-09 11:56:31,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:31,194 INFO L225 Difference]: With dead ends: 120 [2024-11-09 11:56:31,194 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 11:56:31,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:31,197 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 214 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:31,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 99 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:31,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 11:56:31,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 108. [2024-11-09 11:56:31,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 71 states have (on average 1.5492957746478873) internal successors, (110), 94 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2024-11-09 11:56:31,210 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 27 [2024-11-09 11:56:31,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:31,211 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2024-11-09 11:56:31,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:56:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2024-11-09 11:56:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:56:31,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:31,212 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:31,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:56:31,212 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:31,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:31,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1022634896, now seen corresponding path program 1 times [2024-11-09 11:56:31,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:31,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189457487] [2024-11-09 11:56:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:31,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:31,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189457487] [2024-11-09 11:56:31,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189457487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:31,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:31,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:31,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888603051] [2024-11-09 11:56:31,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:31,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:31,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:31,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:31,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:31,277 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:31,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:31,526 INFO L93 Difference]: Finished difference Result 120 states and 147 transitions. [2024-11-09 11:56:31,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:31,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-09 11:56:31,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:31,528 INFO L225 Difference]: With dead ends: 120 [2024-11-09 11:56:31,528 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 11:56:31,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:31,529 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 51 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:31,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 159 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:31,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 11:56:31,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2024-11-09 11:56:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 100 states have internal predecessors, (115), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-09 11:56:31,540 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 28 [2024-11-09 11:56:31,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:31,540 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-09 11:56:31,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:31,540 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-09 11:56:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:56:31,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:31,541 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:31,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:56:31,542 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:31,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1699862761, now seen corresponding path program 1 times [2024-11-09 11:56:31,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:31,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973001309] [2024-11-09 11:56:31,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:31,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582834914] [2024-11-09 11:56:31,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:31,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:31,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:31,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:56:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:31,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:31,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:31,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:31,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973001309] [2024-11-09 11:56:31,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:31,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582834914] [2024-11-09 11:56:31,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582834914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:31,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:31,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:56:31,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993818618] [2024-11-09 11:56:31,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:31,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:31,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:31,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:31,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:31,669 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:31,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:31,735 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2024-11-09 11:56:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:31,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-09 11:56:31,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:31,737 INFO L225 Difference]: With dead ends: 125 [2024-11-09 11:56:31,737 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 11:56:31,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:31,738 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 38 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:31,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 114 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 11:56:31,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-09 11:56:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4125) internal successors, (113), 99 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:56:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 141 transitions. [2024-11-09 11:56:31,747 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 141 transitions. Word has length 39 [2024-11-09 11:56:31,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:31,747 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 141 transitions. [2024-11-09 11:56:31,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2024-11-09 11:56:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:56:31,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:31,749 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:31,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:56:31,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:31,949 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:31,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:31,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1156138093, now seen corresponding path program 1 times [2024-11-09 11:56:31,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:31,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268803678] [2024-11-09 11:56:31,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:31,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411963152] [2024-11-09 11:56:31,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:31,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:31,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:31,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:56:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:32,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:32,106 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:32,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:32,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:32,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268803678] [2024-11-09 11:56:32,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:32,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411963152] [2024-11-09 11:56:32,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411963152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:32,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:32,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:56:32,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031809711] [2024-11-09 11:56:32,467 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:32,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:32,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:32,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:32,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:32,468 INFO L87 Difference]: Start difference. First operand 115 states and 141 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:32,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:32,564 INFO L93 Difference]: Finished difference Result 191 states and 246 transitions. [2024-11-09 11:56:32,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:32,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-09 11:56:32,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:32,566 INFO L225 Difference]: With dead ends: 191 [2024-11-09 11:56:32,566 INFO L226 Difference]: Without dead ends: 187 [2024-11-09 11:56:32,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:32,567 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:32,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 125 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:32,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-09 11:56:32,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 175. [2024-11-09 11:56:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 131 states have (on average 1.4198473282442747) internal successors, (186), 150 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:56:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2024-11-09 11:56:32,589 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 40 [2024-11-09 11:56:32,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:32,590 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2024-11-09 11:56:32,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:32,590 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-09 11:56:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:56:32,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:32,591 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:32,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:56:32,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:32,792 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:32,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:32,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1891489937, now seen corresponding path program 1 times [2024-11-09 11:56:32,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:32,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201035172] [2024-11-09 11:56:32,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:32,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:56:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:32,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:32,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201035172] [2024-11-09 11:56:32,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201035172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:32,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:32,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:56:32,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832586989] [2024-11-09 11:56:32,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:32,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:32,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:32,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:32,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:32,900 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:33,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:33,162 INFO L93 Difference]: Finished difference Result 187 states and 244 transitions. [2024-11-09 11:56:33,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:33,163 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-09 11:56:33,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:33,164 INFO L225 Difference]: With dead ends: 187 [2024-11-09 11:56:33,164 INFO L226 Difference]: Without dead ends: 186 [2024-11-09 11:56:33,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:33,165 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 231 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:33,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 117 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:33,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-09 11:56:33,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 176. [2024-11-09 11:56:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 132 states have (on average 1.4166666666666667) internal successors, (187), 151 states have internal predecessors, (187), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:56:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 233 transitions. [2024-11-09 11:56:33,177 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 233 transitions. Word has length 44 [2024-11-09 11:56:33,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:33,177 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 233 transitions. [2024-11-09 11:56:33,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:33,178 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 233 transitions. [2024-11-09 11:56:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:56:33,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:33,179 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:33,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:56:33,179 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:33,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:33,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1493353966, now seen corresponding path program 1 times [2024-11-09 11:56:33,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:33,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347372947] [2024-11-09 11:56:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:33,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:56:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:33,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:33,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347372947] [2024-11-09 11:56:33,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347372947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:33,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:33,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:33,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250396056] [2024-11-09 11:56:33,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:33,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:33,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:33,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:33,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:33,264 INFO L87 Difference]: Start difference. First operand 176 states and 233 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:33,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:33,348 INFO L93 Difference]: Finished difference Result 181 states and 237 transitions. [2024-11-09 11:56:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:33,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-09 11:56:33,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:33,350 INFO L225 Difference]: With dead ends: 181 [2024-11-09 11:56:33,350 INFO L226 Difference]: Without dead ends: 166 [2024-11-09 11:56:33,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:33,351 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 4 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:33,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 112 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:33,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-09 11:56:33,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-09 11:56:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 124 states have (on average 1.435483870967742) internal successors, (178), 143 states have internal predecessors, (178), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:56:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2024-11-09 11:56:33,369 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 45 [2024-11-09 11:56:33,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:33,369 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2024-11-09 11:56:33,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2024-11-09 11:56:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 11:56:33,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:33,371 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:33,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:56:33,371 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:33,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:33,371 INFO L85 PathProgramCache]: Analyzing trace with hash -467908226, now seen corresponding path program 1 times [2024-11-09 11:56:33,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:33,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746780120] [2024-11-09 11:56:33,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:33,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:33,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:33,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746780120] [2024-11-09 11:56:33,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746780120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:33,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970686922] [2024-11-09 11:56:33,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:33,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:33,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:33,454 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:33,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:56:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:33,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:33,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:33,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970686922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:33,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:33,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:56:33,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278329111] [2024-11-09 11:56:33,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:33,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:33,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:33,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:33,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:33,531 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:56:33,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:33,592 INFO L93 Difference]: Finished difference Result 250 states and 341 transitions. [2024-11-09 11:56:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:33,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-09 11:56:33,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:33,593 INFO L225 Difference]: With dead ends: 250 [2024-11-09 11:56:33,593 INFO L226 Difference]: Without dead ends: 248 [2024-11-09 11:56:33,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:33,594 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 58 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:33,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 115 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:33,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-09 11:56:33,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 227. [2024-11-09 11:56:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 178 states have (on average 1.4438202247191012) internal successors, (257), 196 states have internal predecessors, (257), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 11:56:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2024-11-09 11:56:33,607 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 47 [2024-11-09 11:56:33,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:33,607 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2024-11-09 11:56:33,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:56:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2024-11-09 11:56:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:56:33,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:33,608 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:33,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:56:33,809 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 [2024-11-09 11:56:33,810 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:33,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:33,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1620253054, now seen corresponding path program 1 times [2024-11-09 11:56:33,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:33,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765307724] [2024-11-09 11:56:33,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:33,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,869 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:33,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:33,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765307724] [2024-11-09 11:56:33,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765307724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:33,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632481000] [2024-11-09 11:56:33,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:33,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:33,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:33,871 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:33,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:56:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:33,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:33,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:33,982 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:33,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632481000] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:33,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:33,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 11:56:33,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962315108] [2024-11-09 11:56:33,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:33,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:33,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:33,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:33,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:33,983 INFO L87 Difference]: Start difference. First operand 227 states and 315 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:56:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:34,112 INFO L93 Difference]: Finished difference Result 375 states and 514 transitions. [2024-11-09 11:56:34,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:34,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 48 [2024-11-09 11:56:34,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:34,115 INFO L225 Difference]: With dead ends: 375 [2024-11-09 11:56:34,115 INFO L226 Difference]: Without dead ends: 373 [2024-11-09 11:56:34,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:34,115 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 113 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:34,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 218 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:34,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-09 11:56:34,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 327. [2024-11-09 11:56:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.4427480916030535) internal successors, (378), 280 states have internal predecessors, (378), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2024-11-09 11:56:34,136 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 48 [2024-11-09 11:56:34,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:34,136 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2024-11-09 11:56:34,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:56:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2024-11-09 11:56:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:56:34,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:34,137 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:34,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:56:34,337 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 [2024-11-09 11:56:34,338 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:34,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:34,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2137738517, now seen corresponding path program 1 times [2024-11-09 11:56:34,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:34,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634131924] [2024-11-09 11:56:34,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:34,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:34,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188046070] [2024-11-09 11:56:34,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:34,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:34,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:34,350 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:34,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:56:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:34,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-09 11:56:34,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:34,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:34,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634131924] [2024-11-09 11:56:34,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:34,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188046070] [2024-11-09 11:56:34,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188046070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:34,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:34,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:56:34,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681459479] [2024-11-09 11:56:34,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:34,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:34,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:34,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:34,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:34,470 INFO L87 Difference]: Start difference. First operand 327 states and 468 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:34,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:34,570 INFO L93 Difference]: Finished difference Result 346 states and 493 transitions. [2024-11-09 11:56:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:34,570 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-09 11:56:34,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:34,572 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:56:34,572 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 11:56:34,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:34,572 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 104 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:34,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 81 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:34,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 11:56:34,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2024-11-09 11:56:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4131274131274132) internal successors, (366), 277 states have internal predecessors, (366), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 456 transitions. [2024-11-09 11:56:34,594 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 456 transitions. Word has length 51 [2024-11-09 11:56:34,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:34,595 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 456 transitions. [2024-11-09 11:56:34,595 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 456 transitions. [2024-11-09 11:56:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:56:34,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:34,596 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:56:34,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:56:34,800 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 [2024-11-09 11:56:34,801 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:34,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:34,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1874334318, now seen corresponding path program 2 times [2024-11-09 11:56:34,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:34,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664297501] [2024-11-09 11:56:34,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:34,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:34,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687092496] [2024-11-09 11:56:34,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:34,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:34,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:34,817 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:34,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:56:34,868 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:34,868 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:34,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:56:34,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:34,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:35,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:35,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664297501] [2024-11-09 11:56:35,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:35,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687092496] [2024-11-09 11:56:35,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687092496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:35,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:35,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:56:35,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196650254] [2024-11-09 11:56:35,238 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:35,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:35,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:35,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:35,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:35,239 INFO L87 Difference]: Start difference. First operand 324 states and 456 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:56:35,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:35,443 INFO L93 Difference]: Finished difference Result 419 states and 587 transitions. [2024-11-09 11:56:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:35,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-11-09 11:56:35,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:35,445 INFO L225 Difference]: With dead ends: 419 [2024-11-09 11:56:35,445 INFO L226 Difference]: Without dead ends: 415 [2024-11-09 11:56:35,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:35,446 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 66 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:35,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 143 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:35,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-09 11:56:35,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 324. [2024-11-09 11:56:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4054054054054055) internal successors, (364), 277 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 454 transitions. [2024-11-09 11:56:35,462 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 454 transitions. Word has length 63 [2024-11-09 11:56:35,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:35,463 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 454 transitions. [2024-11-09 11:56:35,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:56:35,463 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 454 transitions. [2024-11-09 11:56:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:56:35,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:35,463 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:35,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:56:35,664 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 [2024-11-09 11:56:35,665 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:35,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:35,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1822751055, now seen corresponding path program 1 times [2024-11-09 11:56:35,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:35,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328926404] [2024-11-09 11:56:35,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:35,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:56:35,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:35,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328926404] [2024-11-09 11:56:35,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328926404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:35,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:35,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:35,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168079826] [2024-11-09 11:56:35,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:35,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:35,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:35,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:35,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:35,702 INFO L87 Difference]: Start difference. First operand 324 states and 454 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:35,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:35,788 INFO L93 Difference]: Finished difference Result 324 states and 454 transitions. [2024-11-09 11:56:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:35,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 70 [2024-11-09 11:56:35,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:35,789 INFO L225 Difference]: With dead ends: 324 [2024-11-09 11:56:35,789 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 11:56:35,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:35,790 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:35,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:35,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 11:56:35,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-11-09 11:56:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3822393822393821) internal successors, (358), 276 states have internal predecessors, (358), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 448 transitions. [2024-11-09 11:56:35,805 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 448 transitions. Word has length 70 [2024-11-09 11:56:35,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:35,805 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 448 transitions. [2024-11-09 11:56:35,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:35,806 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 448 transitions. [2024-11-09 11:56:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 11:56:35,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:35,806 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:35,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 11:56:35,807 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:35,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:35,807 INFO L85 PathProgramCache]: Analyzing trace with hash -670707744, now seen corresponding path program 1 times [2024-11-09 11:56:35,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:35,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770794021] [2024-11-09 11:56:35,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:35,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:35,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:35,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770794021] [2024-11-09 11:56:35,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770794021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:35,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592398121] [2024-11-09 11:56:35,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:35,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:35,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:35,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:35,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:56:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:36,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:36,163 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:36,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592398121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:36,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:36,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 11:56:36,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721792553] [2024-11-09 11:56:36,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:36,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:36,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:36,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:36,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:56:36,166 INFO L87 Difference]: Start difference. First operand 323 states and 448 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:56:36,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:36,264 INFO L93 Difference]: Finished difference Result 341 states and 463 transitions. [2024-11-09 11:56:36,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:36,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2024-11-09 11:56:36,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:36,266 INFO L225 Difference]: With dead ends: 341 [2024-11-09 11:56:36,267 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 11:56:36,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:56:36,268 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 127 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:36,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 115 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:36,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 11:56:36,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 323. [2024-11-09 11:56:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3706563706563706) internal successors, (355), 276 states have internal predecessors, (355), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 445 transitions. [2024-11-09 11:56:36,286 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 445 transitions. Word has length 71 [2024-11-09 11:56:36,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:36,287 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 445 transitions. [2024-11-09 11:56:36,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:56:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 445 transitions. [2024-11-09 11:56:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:56:36,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:36,290 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:36,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:56:36,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:56:36,492 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:36,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:36,492 INFO L85 PathProgramCache]: Analyzing trace with hash 682896531, now seen corresponding path program 1 times [2024-11-09 11:56:36,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:36,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125867685] [2024-11-09 11:56:36,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:36,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:36,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:36,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125867685] [2024-11-09 11:56:36,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125867685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:36,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411622729] [2024-11-09 11:56:36,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:36,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:36,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:36,702 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:36,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:56:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:36,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:56:36,935 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:36,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411622729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:36,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:36,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-09 11:56:36,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651386654] [2024-11-09 11:56:36,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:36,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:36,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:36,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:36,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:36,937 INFO L87 Difference]: Start difference. First operand 323 states and 445 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:37,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:37,169 INFO L93 Difference]: Finished difference Result 342 states and 466 transitions. [2024-11-09 11:56:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:37,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2024-11-09 11:56:37,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:37,171 INFO L225 Difference]: With dead ends: 342 [2024-11-09 11:56:37,171 INFO L226 Difference]: Without dead ends: 341 [2024-11-09 11:56:37,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:37,172 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 52 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:37,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 96 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:37,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-09 11:56:37,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2024-11-09 11:56:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 268 states have (on average 1.3582089552238805) internal successors, (364), 285 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:37,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 454 transitions. [2024-11-09 11:56:37,193 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 454 transitions. Word has length 72 [2024-11-09 11:56:37,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:37,193 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 454 transitions. [2024-11-09 11:56:37,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 454 transitions. [2024-11-09 11:56:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:56:37,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:37,194 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:37,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:56:37,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:56:37,395 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:37,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:37,396 INFO L85 PathProgramCache]: Analyzing trace with hash -305043902, now seen corresponding path program 1 times [2024-11-09 11:56:37,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:37,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151280069] [2024-11-09 11:56:37,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:37,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:37,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151280069] [2024-11-09 11:56:37,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151280069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953814143] [2024-11-09 11:56:37,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:37,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:37,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:37,516 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:37,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:56:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:37,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:37,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:56:37,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:37,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953814143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:37,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:37,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 11:56:37,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330746931] [2024-11-09 11:56:37,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:37,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:37,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:37,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:37,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:37,714 INFO L87 Difference]: Start difference. First operand 332 states and 454 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:37,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:37,892 INFO L93 Difference]: Finished difference Result 341 states and 460 transitions. [2024-11-09 11:56:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:37,895 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 73 [2024-11-09 11:56:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:37,897 INFO L225 Difference]: With dead ends: 341 [2024-11-09 11:56:37,897 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 11:56:37,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:37,897 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 32 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:37,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 80 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:37,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 11:56:37,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 335. [2024-11-09 11:56:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 271 states have (on average 1.3284132841328413) internal successors, (360), 288 states have internal predecessors, (360), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 450 transitions. [2024-11-09 11:56:37,948 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 450 transitions. Word has length 73 [2024-11-09 11:56:37,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:37,952 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 450 transitions. [2024-11-09 11:56:37,952 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 450 transitions. [2024-11-09 11:56:37,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:56:37,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:37,953 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:37,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:56:38,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:56:38,154 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:38,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:38,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1089411164, now seen corresponding path program 1 times [2024-11-09 11:56:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:38,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209783373] [2024-11-09 11:56:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:38,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148277284] [2024-11-09 11:56:38,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:38,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:38,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:38,191 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:38,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:56:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:38,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:38,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:56:38,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:38,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:39,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209783373] [2024-11-09 11:56:39,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:39,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148277284] [2024-11-09 11:56:39,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148277284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:39,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:39,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:56:39,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256698001] [2024-11-09 11:56:39,000 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:39,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:56:39,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:39,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:56:39,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:56:39,002 INFO L87 Difference]: Start difference. First operand 335 states and 450 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:39,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:39,143 INFO L93 Difference]: Finished difference Result 419 states and 576 transitions. [2024-11-09 11:56:39,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:56:39,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2024-11-09 11:56:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:39,145 INFO L225 Difference]: With dead ends: 419 [2024-11-09 11:56:39,145 INFO L226 Difference]: Without dead ends: 418 [2024-11-09 11:56:39,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:56:39,146 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 79 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:39,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 89 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:39,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-09 11:56:39,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 395. [2024-11-09 11:56:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 325 states have (on average 1.3446153846153845) internal successors, (437), 342 states have internal predecessors, (437), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:56:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 539 transitions. [2024-11-09 11:56:39,169 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 539 transitions. Word has length 75 [2024-11-09 11:56:39,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:39,169 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 539 transitions. [2024-11-09 11:56:39,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 539 transitions. [2024-11-09 11:56:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 11:56:39,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:39,170 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:39,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:56:39,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:39,370 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:39,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:39,371 INFO L85 PathProgramCache]: Analyzing trace with hash 587992367, now seen corresponding path program 1 times [2024-11-09 11:56:39,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:39,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923743166] [2024-11-09 11:56:39,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:39,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:39,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [695555236] [2024-11-09 11:56:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:39,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:39,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:39,383 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:39,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:56:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:39,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:39,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:56:39,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:40,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:40,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923743166] [2024-11-09 11:56:40,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:40,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695555236] [2024-11-09 11:56:40,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695555236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:40,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:40,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:56:40,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679451518] [2024-11-09 11:56:40,277 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:40,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:40,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:40,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:40,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:40,278 INFO L87 Difference]: Start difference. First operand 395 states and 539 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:40,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:40,513 INFO L93 Difference]: Finished difference Result 399 states and 539 transitions. [2024-11-09 11:56:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:40,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 76 [2024-11-09 11:56:40,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:40,516 INFO L225 Difference]: With dead ends: 399 [2024-11-09 11:56:40,516 INFO L226 Difference]: Without dead ends: 396 [2024-11-09 11:56:40,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:40,520 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 48 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:40,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 92 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:40,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-09 11:56:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 393. [2024-11-09 11:56:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 325 states have (on average 1.2738461538461539) internal successors, (414), 340 states have internal predecessors, (414), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:56:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 516 transitions. [2024-11-09 11:56:40,542 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 516 transitions. Word has length 76 [2024-11-09 11:56:40,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:40,542 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 516 transitions. [2024-11-09 11:56:40,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 516 transitions. [2024-11-09 11:56:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:56:40,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:40,543 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:40,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:56:40,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-09 11:56:40,748 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:40,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:40,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1047894278, now seen corresponding path program 1 times [2024-11-09 11:56:40,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:40,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769467042] [2024-11-09 11:56:40,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:40,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:40,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:40,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:40,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:40,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:40,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:40,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:40,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:40,838 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:56:40,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:40,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769467042] [2024-11-09 11:56:40,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769467042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:40,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:40,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:40,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486592153] [2024-11-09 11:56:40,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:40,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:40,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:40,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:40,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:40,839 INFO L87 Difference]: Start difference. First operand 393 states and 516 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:41,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:41,170 INFO L93 Difference]: Finished difference Result 395 states and 516 transitions. [2024-11-09 11:56:41,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:56:41,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2024-11-09 11:56:41,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:41,172 INFO L225 Difference]: With dead ends: 395 [2024-11-09 11:56:41,172 INFO L226 Difference]: Without dead ends: 394 [2024-11-09 11:56:41,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:41,173 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 49 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:41,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 151 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-09 11:56:41,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 392. [2024-11-09 11:56:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 325 states have (on average 1.2461538461538462) internal successors, (405), 339 states have internal predecessors, (405), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:56:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 507 transitions. [2024-11-09 11:56:41,193 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 507 transitions. Word has length 77 [2024-11-09 11:56:41,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:41,194 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 507 transitions. [2024-11-09 11:56:41,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 507 transitions. [2024-11-09 11:56:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:56:41,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:41,195 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:41,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 11:56:41,195 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:41,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:41,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1875015663, now seen corresponding path program 1 times [2024-11-09 11:56:41,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:41,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751075603] [2024-11-09 11:56:41,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:41,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:41,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:41,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751075603] [2024-11-09 11:56:41,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751075603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:41,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966132305] [2024-11-09 11:56:41,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:41,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:41,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:41,311 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:41,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:56:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:41,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:56:41,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:41,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:42,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966132305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:42,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:56:42,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-09 11:56:42,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597530666] [2024-11-09 11:56:42,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:42,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:56:42,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:42,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:56:42,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:56:42,205 INFO L87 Difference]: Start difference. First operand 392 states and 507 transitions. Second operand has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:56:43,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:43,368 INFO L93 Difference]: Finished difference Result 686 states and 911 transitions. [2024-11-09 11:56:43,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 11:56:43,369 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 78 [2024-11-09 11:56:43,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:43,371 INFO L225 Difference]: With dead ends: 686 [2024-11-09 11:56:43,372 INFO L226 Difference]: Without dead ends: 681 [2024-11-09 11:56:43,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 11:56:43,373 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 426 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:43,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 361 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:56:43,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-09 11:56:43,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 528. [2024-11-09 11:56:43,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 445 states have (on average 1.2382022471910112) internal successors, (551), 459 states have internal predecessors, (551), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-09 11:56:43,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 685 transitions. [2024-11-09 11:56:43,415 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 685 transitions. Word has length 78 [2024-11-09 11:56:43,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:43,415 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 685 transitions. [2024-11-09 11:56:43,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:56:43,415 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 685 transitions. [2024-11-09 11:56:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 11:56:43,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:43,416 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:43,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:43,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:43,621 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:43,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:43,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1822396848, now seen corresponding path program 1 times [2024-11-09 11:56:43,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:43,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646632917] [2024-11-09 11:56:43,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:43,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:43,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [126996912] [2024-11-09 11:56:43,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:43,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:43,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:43,639 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:43,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:56:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:43,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:56:43,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 11:56:43,907 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:44,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:44,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646632917] [2024-11-09 11:56:44,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:44,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126996912] [2024-11-09 11:56:44,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126996912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:44,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:44,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:56:44,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434578951] [2024-11-09 11:56:44,244 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:44,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:56:44,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:44,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:56:44,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:56:44,245 INFO L87 Difference]: Start difference. First operand 528 states and 685 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:56:44,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:44,566 INFO L93 Difference]: Finished difference Result 548 states and 697 transitions. [2024-11-09 11:56:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:56:44,566 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 92 [2024-11-09 11:56:44,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:44,568 INFO L225 Difference]: With dead ends: 548 [2024-11-09 11:56:44,568 INFO L226 Difference]: Without dead ends: 426 [2024-11-09 11:56:44,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:56:44,569 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:44,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 230 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:44,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-09 11:56:44,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 424. [2024-11-09 11:56:44,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 353 states have (on average 1.226628895184136) internal successors, (433), 367 states have internal predecessors, (433), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 11:56:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 543 transitions. [2024-11-09 11:56:44,593 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 543 transitions. Word has length 92 [2024-11-09 11:56:44,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:44,594 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 543 transitions. [2024-11-09 11:56:44,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:56:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 543 transitions. [2024-11-09 11:56:44,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 11:56:44,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:44,595 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:44,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:56:44,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:44,799 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:44,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:44,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1023289906, now seen corresponding path program 1 times [2024-11-09 11:56:44,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:44,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440857419] [2024-11-09 11:56:44,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:44,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:56:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 11:56:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-09 11:56:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440857419] [2024-11-09 11:56:44,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440857419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:44,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:44,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:44,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048088747] [2024-11-09 11:56:44,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:44,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:44,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:44,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:44,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:44,890 INFO L87 Difference]: Start difference. First operand 424 states and 543 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:56:45,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:45,208 INFO L93 Difference]: Finished difference Result 426 states and 543 transitions. [2024-11-09 11:56:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:56:45,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 94 [2024-11-09 11:56:45,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:45,210 INFO L225 Difference]: With dead ends: 426 [2024-11-09 11:56:45,210 INFO L226 Difference]: Without dead ends: 393 [2024-11-09 11:56:45,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:45,211 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 22 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:45,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 187 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:45,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-09 11:56:45,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2024-11-09 11:56:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 325 states have (on average 1.24) internal successors, (403), 338 states have internal predecessors, (403), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:56:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 505 transitions. [2024-11-09 11:56:45,251 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 505 transitions. Word has length 94 [2024-11-09 11:56:45,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:45,252 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 505 transitions. [2024-11-09 11:56:45,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:56:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 505 transitions. [2024-11-09 11:56:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 11:56:45,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:45,253 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-09 11:56:45,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 11:56:45,253 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:45,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:45,253 INFO L85 PathProgramCache]: Analyzing trace with hash 187458724, now seen corresponding path program 1 times [2024-11-09 11:56:45,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:45,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647923570] [2024-11-09 11:56:45,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:45,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:56:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:56:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:56:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:56:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:56:45,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:45,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647923570] [2024-11-09 11:56:45,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647923570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:45,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909634410] [2024-11-09 11:56:45,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:45,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:45,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:45,343 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:45,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:56:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:45,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:56:45,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:56:45,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909634410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:45,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:45,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 11:56:45,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764280166] [2024-11-09 11:56:45,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:45,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:56:45,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:45,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:56:45,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:45,526 INFO L87 Difference]: Start difference. First operand 391 states and 505 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 11:56:45,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:45,734 INFO L93 Difference]: Finished difference Result 797 states and 1028 transitions. [2024-11-09 11:56:45,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:56:45,735 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 96 [2024-11-09 11:56:45,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:45,737 INFO L225 Difference]: With dead ends: 797 [2024-11-09 11:56:45,737 INFO L226 Difference]: Without dead ends: 795 [2024-11-09 11:56:45,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:45,738 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 238 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:45,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 339 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:45,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-09 11:56:45,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 541. [2024-11-09 11:56:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2439024390243902) internal successors, (561), 464 states have internal predecessors, (561), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:56:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 711 transitions. [2024-11-09 11:56:45,771 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 711 transitions. Word has length 96 [2024-11-09 11:56:45,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:45,771 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 711 transitions. [2024-11-09 11:56:45,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 11:56:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 711 transitions. [2024-11-09 11:56:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:56:45,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:45,772 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:45,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:56:45,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:56:45,973 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:45,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:45,974 INFO L85 PathProgramCache]: Analyzing trace with hash 360263030, now seen corresponding path program 2 times [2024-11-09 11:56:45,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:45,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125858728] [2024-11-09 11:56:45,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:45,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:45,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545050115] [2024-11-09 11:56:45,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:45,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:45,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:45,988 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:45,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:56:46,034 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:46,034 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:46,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:56:46,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:56:46,393 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:51,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:51,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125858728] [2024-11-09 11:56:51,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:51,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545050115] [2024-11-09 11:56:51,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545050115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:51,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:51,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:56:51,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232851515] [2024-11-09 11:56:51,417 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:51,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:56:51,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:51,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:56:51,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2024-11-09 11:56:51,418 INFO L87 Difference]: Start difference. First operand 541 states and 711 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:56:51,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:51,923 INFO L93 Difference]: Finished difference Result 565 states and 741 transitions. [2024-11-09 11:56:51,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:56:51,924 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 101 [2024-11-09 11:56:51,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:51,928 INFO L225 Difference]: With dead ends: 565 [2024-11-09 11:56:51,928 INFO L226 Difference]: Without dead ends: 564 [2024-11-09 11:56:51,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=62, Invalid=243, Unknown=1, NotChecked=0, Total=306 [2024-11-09 11:56:51,932 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 29 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:51,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 272 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:56:51,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-09 11:56:51,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 541. [2024-11-09 11:56:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2416851441241685) internal successors, (560), 464 states have internal predecessors, (560), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:56:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 710 transitions. [2024-11-09 11:56:51,965 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 710 transitions. Word has length 101 [2024-11-09 11:56:51,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:51,965 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 710 transitions. [2024-11-09 11:56:51,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:56:51,965 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 710 transitions. [2024-11-09 11:56:51,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 11:56:51,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:51,966 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:51,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:56:52,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:56:52,171 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:52,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:52,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1268236555, now seen corresponding path program 2 times [2024-11-09 11:56:52,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:52,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511400093] [2024-11-09 11:56:52,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:52,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:56:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:56:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:56:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:56:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:56:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:52,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:52,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511400093] [2024-11-09 11:56:52,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511400093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:52,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386098921] [2024-11-09 11:56:52,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:52,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:52,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:52,286 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:52,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:56:52,336 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:52,336 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:52,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:52,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:52,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:52,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386098921] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:52,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:52,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-09 11:56:52,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999701733] [2024-11-09 11:56:52,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:52,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:56:52,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:52,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:56:52,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:52,506 INFO L87 Difference]: Start difference. First operand 541 states and 710 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:56:52,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:52,591 INFO L93 Difference]: Finished difference Result 550 states and 716 transitions. [2024-11-09 11:56:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:56:52,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 115 [2024-11-09 11:56:52,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:52,594 INFO L225 Difference]: With dead ends: 550 [2024-11-09 11:56:52,594 INFO L226 Difference]: Without dead ends: 543 [2024-11-09 11:56:52,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 252 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:52,595 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 32 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:52,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 171 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:52,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-09 11:56:52,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 541. [2024-11-09 11:56:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2328159645232817) internal successors, (556), 464 states have internal predecessors, (556), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:56:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 706 transitions. [2024-11-09 11:56:52,633 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 706 transitions. Word has length 115 [2024-11-09 11:56:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:52,634 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 706 transitions. [2024-11-09 11:56:52,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:56:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 706 transitions. [2024-11-09 11:56:52,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 11:56:52,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:52,634 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 11:56:52,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 11:56:52,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:56:52,839 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:52,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:52,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1739438009, now seen corresponding path program 2 times [2024-11-09 11:56:52,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:52,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597006535] [2024-11-09 11:56:52,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:52,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:56:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:56:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:56:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:56:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:56:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 11:56:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:56:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:56:52,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:52,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597006535] [2024-11-09 11:56:52,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597006535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:52,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217776875] [2024-11-09 11:56:52,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:52,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:52,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:52,947 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:52,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:56:52,984 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:56:52,984 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:52,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:56:52,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-09 11:56:53,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-09 11:56:53,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217776875] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:53,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:53,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-11-09 11:56:53,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736520979] [2024-11-09 11:56:53,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:53,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:56:53,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:53,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:56:53,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:56:53,216 INFO L87 Difference]: Start difference. First operand 541 states and 706 transitions. Second operand has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-09 11:56:53,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:53,631 INFO L93 Difference]: Finished difference Result 942 states and 1281 transitions. [2024-11-09 11:56:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:56:53,632 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 117 [2024-11-09 11:56:53,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:53,635 INFO L225 Difference]: With dead ends: 942 [2024-11-09 11:56:53,635 INFO L226 Difference]: Without dead ends: 940 [2024-11-09 11:56:53,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:56:53,636 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 930 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:53,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 327 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:53,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-09 11:56:53,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 435. [2024-11-09 11:56:53,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 359 states have (on average 1.1977715877437325) internal successors, (430), 370 states have internal predecessors, (430), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 11:56:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 556 transitions. [2024-11-09 11:56:53,667 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 556 transitions. Word has length 117 [2024-11-09 11:56:53,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:53,667 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 556 transitions. [2024-11-09 11:56:53,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-09 11:56:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 556 transitions. [2024-11-09 11:56:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 11:56:53,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:53,669 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:53,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 11:56:53,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:53,870 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:53,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:53,870 INFO L85 PathProgramCache]: Analyzing trace with hash -217823301, now seen corresponding path program 1 times [2024-11-09 11:56:53,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:53,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740052847] [2024-11-09 11:56:53,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:53,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:56:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:56:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:56:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:56:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:56:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:54,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:54,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740052847] [2024-11-09 11:56:54,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740052847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:54,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168407598] [2024-11-09 11:56:54,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:54,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:54,031 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:54,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:56:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:54,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:56:54,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:54,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:54,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168407598] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:54,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:54,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-09 11:56:54,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444058831] [2024-11-09 11:56:54,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:54,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:56:54,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:54,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:56:54,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:56:54,693 INFO L87 Difference]: Start difference. First operand 435 states and 556 transitions. Second operand has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:56:55,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:55,305 INFO L93 Difference]: Finished difference Result 578 states and 741 transitions. [2024-11-09 11:56:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:56:55,305 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 117 [2024-11-09 11:56:55,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:55,307 INFO L225 Difference]: With dead ends: 578 [2024-11-09 11:56:55,307 INFO L226 Difference]: Without dead ends: 487 [2024-11-09 11:56:55,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 11:56:55,308 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 441 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:55,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 633 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:55,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-09 11:56:55,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 424. [2024-11-09 11:56:55,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 346 states have (on average 1.2254335260115607) internal successors, (424), 357 states have internal predecessors, (424), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 11:56:55,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 554 transitions. [2024-11-09 11:56:55,356 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 554 transitions. Word has length 117 [2024-11-09 11:56:55,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:55,357 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 554 transitions. [2024-11-09 11:56:55,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:56:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 554 transitions. [2024-11-09 11:56:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 11:56:55,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:55,358 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:55,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-09 11:56:55,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:56:55,562 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:55,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:55,562 INFO L85 PathProgramCache]: Analyzing trace with hash -927071534, now seen corresponding path program 1 times [2024-11-09 11:56:55,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:55,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549753509] [2024-11-09 11:56:55,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:55,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:56:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:56:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:56:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:56:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:56:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,810 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-09 11:56:55,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:55,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549753509] [2024-11-09 11:56:55,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549753509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:55,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511986682] [2024-11-09 11:56:55,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:55,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:55,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:55,813 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:55,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:56:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:56:55,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:56,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:59,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511986682] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:59,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:59,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-11-09 11:56:59,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748716505] [2024-11-09 11:56:59,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:59,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 11:56:59,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:59,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 11:56:59,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:56:59,134 INFO L87 Difference]: Start difference. First operand 424 states and 554 transitions. Second operand has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-09 11:56:59,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:59,443 INFO L93 Difference]: Finished difference Result 559 states and 743 transitions. [2024-11-09 11:56:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:56:59,444 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 122 [2024-11-09 11:56:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:59,446 INFO L225 Difference]: With dead ends: 559 [2024-11-09 11:56:59,446 INFO L226 Difference]: Without dead ends: 558 [2024-11-09 11:56:59,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:56:59,447 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 169 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:59,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 322 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-09 11:56:59,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 423. [2024-11-09 11:56:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 346 states have (on average 1.216763005780347) internal successors, (421), 356 states have internal predecessors, (421), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 11:56:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 551 transitions. [2024-11-09 11:56:59,482 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 551 transitions. Word has length 122 [2024-11-09 11:56:59,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:59,483 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 551 transitions. [2024-11-09 11:56:59,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-09 11:56:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 551 transitions. [2024-11-09 11:56:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 11:56:59,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:59,484 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:59,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:56:59,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:59,685 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:59,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:59,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1325553635, now seen corresponding path program 1 times [2024-11-09 11:56:59,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:59,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098745814] [2024-11-09 11:56:59,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:59,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:56:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:56:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:56:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:56:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:56:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:56:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:56:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:56:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:56:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,909 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:59,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:59,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098745814] [2024-11-09 11:56:59,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098745814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:59,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683338272] [2024-11-09 11:56:59,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:59,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:59,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:59,911 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:59,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:56:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:56:59,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:00,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:01,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683338272] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:01,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:01,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-09 11:57:01,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628034172] [2024-11-09 11:57:01,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:01,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:57:01,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:01,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:57:01,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:57:01,381 INFO L87 Difference]: Start difference. First operand 423 states and 551 transitions. Second operand has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:57:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:02,538 INFO L93 Difference]: Finished difference Result 685 states and 874 transitions. [2024-11-09 11:57:02,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:57:02,538 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 123 [2024-11-09 11:57:02,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:02,540 INFO L225 Difference]: With dead ends: 685 [2024-11-09 11:57:02,541 INFO L226 Difference]: Without dead ends: 684 [2024-11-09 11:57:02,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 11:57:02,541 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 368 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:02,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 460 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:57:02,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-09 11:57:02,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 566. [2024-11-09 11:57:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.2135306553911205) internal successors, (574), 483 states have internal predecessors, (574), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 11:57:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 736 transitions. [2024-11-09 11:57:02,583 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 736 transitions. Word has length 123 [2024-11-09 11:57:02,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:02,584 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 736 transitions. [2024-11-09 11:57:02,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:57:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 736 transitions. [2024-11-09 11:57:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 11:57:02,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:02,585 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:02,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-09 11:57:02,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:02,790 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:02,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:02,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1267811953, now seen corresponding path program 3 times [2024-11-09 11:57:02,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:02,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663606136] [2024-11-09 11:57:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:02,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:02,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [863837587] [2024-11-09 11:57:02,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:57:02,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:02,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:02,806 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:02,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:57:02,860 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:57:02,861 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:02,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:57:02,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-09 11:57:03,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:13,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:13,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663606136] [2024-11-09 11:57:13,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:13,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863837587] [2024-11-09 11:57:13,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863837587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:13,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:13,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:57:13,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148761964] [2024-11-09 11:57:13,079 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:13,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:57:13,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:13,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:57:13,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=243, Unknown=2, NotChecked=0, Total=306 [2024-11-09 11:57:13,080 INFO L87 Difference]: Start difference. First operand 566 states and 736 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:13,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:13,655 INFO L93 Difference]: Finished difference Result 579 states and 748 transitions. [2024-11-09 11:57:13,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:57:13,656 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 124 [2024-11-09 11:57:13,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:13,658 INFO L225 Difference]: With dead ends: 579 [2024-11-09 11:57:13,658 INFO L226 Difference]: Without dead ends: 578 [2024-11-09 11:57:13,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=160, Invalid=540, Unknown=2, NotChecked=0, Total=702 [2024-11-09 11:57:13,659 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 150 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:13,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 125 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:57:13,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-09 11:57:13,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 566. [2024-11-09 11:57:13,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.200845665961945) internal successors, (568), 483 states have internal predecessors, (568), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 11:57:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 730 transitions. [2024-11-09 11:57:13,702 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 730 transitions. Word has length 124 [2024-11-09 11:57:13,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:13,703 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 730 transitions. [2024-11-09 11:57:13,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:13,703 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 730 transitions. [2024-11-09 11:57:13,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 11:57:13,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:13,704 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:13,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:13,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:13,905 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:13,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:13,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1748241147, now seen corresponding path program 2 times [2024-11-09 11:57:13,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:13,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562401667] [2024-11-09 11:57:13,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:13,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:13,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074135792] [2024-11-09 11:57:13,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:57:13,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:13,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:13,921 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:13,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:57:13,977 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:57:13,977 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:13,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:57:13,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-11-09 11:57:14,092 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:14,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:14,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562401667] [2024-11-09 11:57:14,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:14,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074135792] [2024-11-09 11:57:14,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074135792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:14,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:14,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:57:14,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093401659] [2024-11-09 11:57:14,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:14,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:14,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:14,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:14,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:57:14,094 INFO L87 Difference]: Start difference. First operand 566 states and 730 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:14,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:14,240 INFO L93 Difference]: Finished difference Result 566 states and 730 transitions. [2024-11-09 11:57:14,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:57:14,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2024-11-09 11:57:14,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:14,243 INFO L225 Difference]: With dead ends: 566 [2024-11-09 11:57:14,243 INFO L226 Difference]: Without dead ends: 565 [2024-11-09 11:57:14,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:57:14,244 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 52 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:14,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 81 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-09 11:57:14,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 535. [2024-11-09 11:57:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 447 states have (on average 1.1722595078299776) internal successors, (524), 456 states have internal predecessors, (524), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-09 11:57:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 678 transitions. [2024-11-09 11:57:14,300 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 678 transitions. Word has length 125 [2024-11-09 11:57:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:14,301 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 678 transitions. [2024-11-09 11:57:14,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 678 transitions. [2024-11-09 11:57:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 11:57:14,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:14,302 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:14,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-09 11:57:14,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:14,506 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:14,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:14,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1078496496, now seen corresponding path program 4 times [2024-11-09 11:57:14,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:14,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954114280] [2024-11-09 11:57:14,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:14,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:57:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:57:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:57:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:14,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:14,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954114280] [2024-11-09 11:57:14,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954114280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:14,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069435125] [2024-11-09 11:57:14,806 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:57:14,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:14,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:14,808 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:14,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:57:14,863 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:57:14,863 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:14,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:57:14,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:15,692 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 61 proven. 29 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-09 11:57:15,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:17,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069435125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:17,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:57:17,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2024-11-09 11:57:17,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366153109] [2024-11-09 11:57:17,672 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:17,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 11:57:17,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:17,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 11:57:17,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2024-11-09 11:57:17,674 INFO L87 Difference]: Start difference. First operand 535 states and 678 transitions. Second operand has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-09 11:57:21,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:21,038 INFO L93 Difference]: Finished difference Result 934 states and 1190 transitions. [2024-11-09 11:57:21,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-09 11:57:21,039 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 128 [2024-11-09 11:57:21,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:21,043 INFO L225 Difference]: With dead ends: 934 [2024-11-09 11:57:21,043 INFO L226 Difference]: Without dead ends: 928 [2024-11-09 11:57:21,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1411 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=883, Invalid=4969, Unknown=0, NotChecked=0, Total=5852 [2024-11-09 11:57:21,045 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 965 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:21,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 561 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 1832 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 11:57:21,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-11-09 11:57:21,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 684. [2024-11-09 11:57:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 584 states have (on average 1.1695205479452055) internal successors, (683), 593 states have internal predecessors, (683), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-09 11:57:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 861 transitions. [2024-11-09 11:57:21,101 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 861 transitions. Word has length 128 [2024-11-09 11:57:21,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:21,101 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 861 transitions. [2024-11-09 11:57:21,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-09 11:57:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 861 transitions. [2024-11-09 11:57:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 11:57:21,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:21,102 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:21,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:21,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-09 11:57:21,303 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:21,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:21,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1545551038, now seen corresponding path program 1 times [2024-11-09 11:57:21,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:21,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221971502] [2024-11-09 11:57:21,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:21,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:21,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730072177] [2024-11-09 11:57:21,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:21,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:21,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:21,329 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:21,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:57:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:57:21,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-09 11:57:21,500 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:21,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:21,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221971502] [2024-11-09 11:57:21,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:21,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730072177] [2024-11-09 11:57:21,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730072177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:21,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:21,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:57:21,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34737661] [2024-11-09 11:57:21,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:21,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:57:21,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:21,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:57:21,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:57:21,502 INFO L87 Difference]: Start difference. First operand 684 states and 861 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:57:21,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:21,591 INFO L93 Difference]: Finished difference Result 684 states and 861 transitions. [2024-11-09 11:57:21,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:57:21,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 131 [2024-11-09 11:57:21,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:21,593 INFO L225 Difference]: With dead ends: 684 [2024-11-09 11:57:21,593 INFO L226 Difference]: Without dead ends: 682 [2024-11-09 11:57:21,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:57:21,594 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 25 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:21,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 63 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:57:21,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-09 11:57:21,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 535. [2024-11-09 11:57:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 453 states have (on average 1.1390728476821192) internal successors, (516), 460 states have internal predecessors, (516), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:57:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 662 transitions. [2024-11-09 11:57:21,641 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 662 transitions. Word has length 131 [2024-11-09 11:57:21,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:21,642 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 662 transitions. [2024-11-09 11:57:21,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:57:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 662 transitions. [2024-11-09 11:57:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 11:57:21,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:21,643 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:21,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:21,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-09 11:57:21,843 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:21,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:21,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1413407113, now seen corresponding path program 1 times [2024-11-09 11:57:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:21,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441417575] [2024-11-09 11:57:21,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:21,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775291508] [2024-11-09 11:57:21,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:21,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:21,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:21,866 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:21,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:57:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:57:21,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:22,301 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:57:22,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:22,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:22,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441417575] [2024-11-09 11:57:22,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:22,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775291508] [2024-11-09 11:57:22,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775291508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:22,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:22,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:57:22,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217307387] [2024-11-09 11:57:22,581 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:22,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:57:22,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:22,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:57:22,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:57:22,582 INFO L87 Difference]: Start difference. First operand 535 states and 662 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:57:23,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:23,025 INFO L93 Difference]: Finished difference Result 539 states and 666 transitions. [2024-11-09 11:57:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:57:23,025 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 138 [2024-11-09 11:57:23,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:23,027 INFO L225 Difference]: With dead ends: 539 [2024-11-09 11:57:23,027 INFO L226 Difference]: Without dead ends: 538 [2024-11-09 11:57:23,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:57:23,028 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 9 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:23,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 259 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:57:23,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-09 11:57:23,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 536. [2024-11-09 11:57:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 454 states have (on average 1.1387665198237886) internal successors, (517), 461 states have internal predecessors, (517), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:57:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 663 transitions. [2024-11-09 11:57:23,074 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 663 transitions. Word has length 138 [2024-11-09 11:57:23,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:23,074 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 663 transitions. [2024-11-09 11:57:23,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:57:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 663 transitions. [2024-11-09 11:57:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 11:57:23,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:23,075 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:23,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:23,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:57:23,280 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:23,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:23,280 INFO L85 PathProgramCache]: Analyzing trace with hash 865947670, now seen corresponding path program 1 times [2024-11-09 11:57:23,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:23,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368146755] [2024-11-09 11:57:23,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:23,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:23,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75217162] [2024-11-09 11:57:23,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:23,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:23,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:23,296 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:23,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:57:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:57:23,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:57:23,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:24,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:24,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368146755] [2024-11-09 11:57:24,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:24,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75217162] [2024-11-09 11:57:24,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75217162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:24,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:24,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:57:24,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792894610] [2024-11-09 11:57:24,432 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:24,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:57:24,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:24,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:57:24,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:57:24,434 INFO L87 Difference]: Start difference. First operand 536 states and 663 transitions. Second operand has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:57:24,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:24,990 INFO L93 Difference]: Finished difference Result 544 states and 670 transitions. [2024-11-09 11:57:24,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:57:24,990 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 139 [2024-11-09 11:57:24,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:24,992 INFO L225 Difference]: With dead ends: 544 [2024-11-09 11:57:24,992 INFO L226 Difference]: Without dead ends: 539 [2024-11-09 11:57:24,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:57:24,993 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 32 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:24,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 338 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:57:24,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-09 11:57:25,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 536. [2024-11-09 11:57:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 454 states have (on average 1.1343612334801763) internal successors, (515), 461 states have internal predecessors, (515), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:57:25,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 661 transitions. [2024-11-09 11:57:25,042 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 661 transitions. Word has length 139 [2024-11-09 11:57:25,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:25,043 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 661 transitions. [2024-11-09 11:57:25,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:57:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 661 transitions. [2024-11-09 11:57:25,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 11:57:25,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:25,044 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:25,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 11:57:25,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:25,249 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:25,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:25,249 INFO L85 PathProgramCache]: Analyzing trace with hash -876105969, now seen corresponding path program 3 times [2024-11-09 11:57:25,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:25,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631778113] [2024-11-09 11:57:25,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:25,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:25,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670395466] [2024-11-09 11:57:25,265 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:57:25,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:25,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:25,267 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:25,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:57:25,316 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 11:57:25,316 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:25,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:57:25,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:25,467 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-09 11:57:25,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-09 11:57:25,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:25,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631778113] [2024-11-09 11:57:25,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:25,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670395466] [2024-11-09 11:57:25,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670395466] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:25,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:25,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-09 11:57:25,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109081531] [2024-11-09 11:57:25,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:25,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:57:25,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:25,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:57:25,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:57:25,641 INFO L87 Difference]: Start difference. First operand 536 states and 661 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:57:26,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:26,076 INFO L93 Difference]: Finished difference Result 538 states and 663 transitions. [2024-11-09 11:57:26,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:57:26,076 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 142 [2024-11-09 11:57:26,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:26,079 INFO L225 Difference]: With dead ends: 538 [2024-11-09 11:57:26,079 INFO L226 Difference]: Without dead ends: 537 [2024-11-09 11:57:26,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:57:26,081 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 92 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:26,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 72 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:57:26,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-09 11:57:26,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 535. [2024-11-09 11:57:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 454 states have (on average 1.1299559471365639) internal successors, (513), 460 states have internal predecessors, (513), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:57:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 659 transitions. [2024-11-09 11:57:26,134 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 659 transitions. Word has length 142 [2024-11-09 11:57:26,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:26,135 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 659 transitions. [2024-11-09 11:57:26,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:57:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 659 transitions. [2024-11-09 11:57:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 11:57:26,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:26,138 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:26,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:26,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:57:26,341 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:26,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:26,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1389481136, now seen corresponding path program 1 times [2024-11-09 11:57:26,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:26,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494130870] [2024-11-09 11:57:26,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:26,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:26,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549153525] [2024-11-09 11:57:26,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:26,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:26,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:26,382 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:26,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:57:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:26,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 11:57:26,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:57:27,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:27,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:27,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494130870] [2024-11-09 11:57:27,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:27,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549153525] [2024-11-09 11:57:27,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549153525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:27,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:27,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-09 11:57:27,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930308731] [2024-11-09 11:57:27,981 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:27,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:57:27,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:27,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:57:27,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:57:27,982 INFO L87 Difference]: Start difference. First operand 535 states and 659 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:57:28,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:28,676 INFO L93 Difference]: Finished difference Result 538 states and 661 transitions. [2024-11-09 11:57:28,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:57:28,676 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 143 [2024-11-09 11:57:28,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:28,678 INFO L225 Difference]: With dead ends: 538 [2024-11-09 11:57:28,678 INFO L226 Difference]: Without dead ends: 535 [2024-11-09 11:57:28,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-11-09 11:57:28,678 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 35 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:28,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 360 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:57:28,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-09 11:57:28,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 533. [2024-11-09 11:57:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 452 states have (on average 1.1283185840707965) internal successors, (510), 458 states have internal predecessors, (510), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:57:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 656 transitions. [2024-11-09 11:57:28,729 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 656 transitions. Word has length 143 [2024-11-09 11:57:28,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:28,730 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 656 transitions. [2024-11-09 11:57:28,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:57:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 656 transitions. [2024-11-09 11:57:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 11:57:28,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:28,731 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:28,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:28,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:57:28,936 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:28,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:28,936 INFO L85 PathProgramCache]: Analyzing trace with hash 386871941, now seen corresponding path program 2 times [2024-11-09 11:57:28,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:28,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19644146] [2024-11-09 11:57:28,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:57:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:57:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:57:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:57:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 11:57:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:57:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:57:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:57:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:29,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:29,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19644146] [2024-11-09 11:57:29,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19644146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:29,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984779539] [2024-11-09 11:57:29,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:57:29,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:29,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:29,086 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:29,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:57:29,176 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:57:29,176 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:29,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:57:29,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-11-09 11:57:29,437 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:29,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984779539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:29,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:29,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-11-09 11:57:29,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350586655] [2024-11-09 11:57:29,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:29,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:57:29,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:29,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:57:29,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:57:29,438 INFO L87 Difference]: Start difference. First operand 533 states and 656 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-09 11:57:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:29,780 INFO L93 Difference]: Finished difference Result 653 states and 802 transitions. [2024-11-09 11:57:29,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:57:29,780 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 162 [2024-11-09 11:57:29,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:29,782 INFO L225 Difference]: With dead ends: 653 [2024-11-09 11:57:29,782 INFO L226 Difference]: Without dead ends: 535 [2024-11-09 11:57:29,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:57:29,783 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 105 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:29,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 346 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:57:29,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-09 11:57:29,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 505. [2024-11-09 11:57:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 426 states have (on average 1.1384976525821595) internal successors, (485), 432 states have internal predecessors, (485), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-09 11:57:29,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 627 transitions. [2024-11-09 11:57:29,836 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 627 transitions. Word has length 162 [2024-11-09 11:57:29,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:29,836 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 627 transitions. [2024-11-09 11:57:29,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-09 11:57:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 627 transitions. [2024-11-09 11:57:29,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 11:57:29,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:29,838 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:29,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:30,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:57:30,042 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:30,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:30,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1121309905, now seen corresponding path program 3 times [2024-11-09 11:57:30,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:30,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363724287] [2024-11-09 11:57:30,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:30,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:57:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:57:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:57:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:57:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 11:57:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 11:57:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:57:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:57:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:30,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:30,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363724287] [2024-11-09 11:57:30,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363724287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:30,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275195406] [2024-11-09 11:57:30,184 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:57:30,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:30,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:30,186 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:30,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:57:30,269 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 11:57:30,269 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:30,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:57:30,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-09 11:57:30,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-09 11:57:31,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275195406] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:31,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:57:31,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 7] total 16 [2024-11-09 11:57:31,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412968621] [2024-11-09 11:57:31,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:31,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:57:31,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:31,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:57:31,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:57:31,035 INFO L87 Difference]: Start difference. First operand 505 states and 627 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:57:32,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:32,013 INFO L93 Difference]: Finished difference Result 505 states and 627 transitions. [2024-11-09 11:57:32,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:57:32,014 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 162 [2024-11-09 11:57:32,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:32,016 INFO L225 Difference]: With dead ends: 505 [2024-11-09 11:57:32,016 INFO L226 Difference]: Without dead ends: 504 [2024-11-09 11:57:32,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 353 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:57:32,016 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 67 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:32,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 85 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:57:32,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-09 11:57:32,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 502. [2024-11-09 11:57:32,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 424 states have (on average 1.1367924528301887) internal successors, (482), 429 states have internal predecessors, (482), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-09 11:57:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 624 transitions. [2024-11-09 11:57:32,074 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 624 transitions. Word has length 162 [2024-11-09 11:57:32,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:32,074 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 624 transitions. [2024-11-09 11:57:32,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:57:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 624 transitions. [2024-11-09 11:57:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 11:57:32,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:32,075 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:32,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:32,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:32,280 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:32,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:32,280 INFO L85 PathProgramCache]: Analyzing trace with hash -457968461, now seen corresponding path program 1 times [2024-11-09 11:57:32,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:32,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756807985] [2024-11-09 11:57:32,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:32,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:57:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:57:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:57:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:57:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 11:57:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 11:57:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:57:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:57:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:32,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:32,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756807985] [2024-11-09 11:57:32,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756807985] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:32,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432723322] [2024-11-09 11:57:32,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:32,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:32,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:32,462 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:32,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:57:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:32,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:57:32,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:32,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:32,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432723322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:32,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:57:32,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14] total 18 [2024-11-09 11:57:32,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101069605] [2024-11-09 11:57:32,988 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:32,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:57:32,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:57:32,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:57:32,989 INFO L87 Difference]: Start difference. First operand 502 states and 624 transitions. Second operand has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-09 11:57:33,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:33,701 INFO L93 Difference]: Finished difference Result 573 states and 705 transitions. [2024-11-09 11:57:33,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:57:33,701 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) Word has length 164 [2024-11-09 11:57:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:33,703 INFO L225 Difference]: With dead ends: 573 [2024-11-09 11:57:33,703 INFO L226 Difference]: Without dead ends: 568 [2024-11-09 11:57:33,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 194 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:57:33,704 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 57 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:33,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 604 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:57:33,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-09 11:57:33,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 502. [2024-11-09 11:57:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 424 states have (on average 1.1320754716981132) internal successors, (480), 429 states have internal predecessors, (480), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-09 11:57:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 622 transitions. [2024-11-09 11:57:33,770 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 622 transitions. Word has length 164 [2024-11-09 11:57:33,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:33,770 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 622 transitions. [2024-11-09 11:57:33,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-09 11:57:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 622 transitions. [2024-11-09 11:57:33,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 11:57:33,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:33,771 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:33,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:33,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-09 11:57:33,972 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:33,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:33,973 INFO L85 PathProgramCache]: Analyzing trace with hash 290948172, now seen corresponding path program 2 times [2024-11-09 11:57:33,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:33,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878936609] [2024-11-09 11:57:33,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:33,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:57:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:57:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:57:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 11:57:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 11:57:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:57:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:57:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 11:57:34,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:34,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878936609] [2024-11-09 11:57:34,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878936609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:34,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496829908] [2024-11-09 11:57:34,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:57:34,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:34,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:34,223 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:34,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:57:34,287 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:57:34,288 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:34,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:57:34,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-09 11:57:34,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:35,155 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 50 proven. 40 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-09 11:57:35,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496829908] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:35,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:35,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 10] total 26 [2024-11-09 11:57:35,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297513217] [2024-11-09 11:57:35,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:35,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 11:57:35,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:35,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 11:57:35,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2024-11-09 11:57:35,157 INFO L87 Difference]: Start difference. First operand 502 states and 622 transitions. Second operand has 26 states, 26 states have (on average 7.884615384615385) internal successors, (205), 26 states have internal predecessors, (205), 15 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 15 states have call predecessors, (45), 15 states have call successors, (45) [2024-11-09 11:57:36,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:36,028 INFO L93 Difference]: Finished difference Result 555 states and 682 transitions. [2024-11-09 11:57:36,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:57:36,028 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.884615384615385) internal successors, (205), 26 states have internal predecessors, (205), 15 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 15 states have call predecessors, (45), 15 states have call successors, (45) Word has length 164 [2024-11-09 11:57:36,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:36,030 INFO L225 Difference]: With dead ends: 555 [2024-11-09 11:57:36,030 INFO L226 Difference]: Without dead ends: 291 [2024-11-09 11:57:36,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=270, Invalid=1290, Unknown=0, NotChecked=0, Total=1560 [2024-11-09 11:57:36,031 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 154 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:36,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 472 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:57:36,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-09 11:57:36,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2024-11-09 11:57:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 233 states have (on average 1.111587982832618) internal successors, (259), 238 states have internal predecessors, (259), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 11:57:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 353 transitions. [2024-11-09 11:57:36,072 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 353 transitions. Word has length 164 [2024-11-09 11:57:36,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:36,072 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 353 transitions. [2024-11-09 11:57:36,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.884615384615385) internal successors, (205), 26 states have internal predecessors, (205), 15 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 15 states have call predecessors, (45), 15 states have call successors, (45) [2024-11-09 11:57:36,072 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 353 transitions. [2024-11-09 11:57:36,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 11:57:36,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:36,073 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:36,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:36,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:36,277 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:36,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:36,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1660032676, now seen corresponding path program 1 times [2024-11-09 11:57:36,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:36,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655220984] [2024-11-09 11:57:36,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:36,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:57:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:57:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:57:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:57:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 11:57:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 11:57:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:57:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:57:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:36,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:36,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655220984] [2024-11-09 11:57:36,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655220984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:36,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356565826] [2024-11-09 11:57:36,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:36,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:36,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:36,646 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:36,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:57:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:36,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:57:36,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:37,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:40,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356565826] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:40,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:40,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2024-11-09 11:57:40,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673842295] [2024-11-09 11:57:40,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:40,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-09 11:57:40,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:40,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-09 11:57:40,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2024-11-09 11:57:40,977 INFO L87 Difference]: Start difference. First operand 287 states and 353 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-11-09 11:57:44,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:44,589 INFO L93 Difference]: Finished difference Result 812 states and 996 transitions. [2024-11-09 11:57:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 11:57:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 169 [2024-11-09 11:57:44,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:44,593 INFO L225 Difference]: With dead ends: 812 [2024-11-09 11:57:44,593 INFO L226 Difference]: Without dead ends: 811 [2024-11-09 11:57:44,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1072, Invalid=1898, Unknown=0, NotChecked=0, Total=2970 [2024-11-09 11:57:44,594 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 593 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:44,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 748 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:57:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-09 11:57:44,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 630. [2024-11-09 11:57:44,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 534 states have (on average 1.1310861423220975) internal successors, (604), 539 states have internal predecessors, (604), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-09 11:57:44,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 782 transitions. [2024-11-09 11:57:44,728 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 782 transitions. Word has length 169 [2024-11-09 11:57:44,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:44,728 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 782 transitions. [2024-11-09 11:57:44,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-11-09 11:57:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 782 transitions. [2024-11-09 11:57:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 11:57:44,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:44,729 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:44,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:44,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-09 11:57:44,930 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:44,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:44,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1334298624, now seen corresponding path program 1 times [2024-11-09 11:57:44,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:44,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485824826] [2024-11-09 11:57:44,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:44,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:57:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:57:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:57:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:57:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 11:57:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 11:57:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:57:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 11:57:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:45,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:45,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485824826] [2024-11-09 11:57:45,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485824826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:45,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859559688] [2024-11-09 11:57:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:45,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:45,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:45,267 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:45,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:57:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:45,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:57:45,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:45,669 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:45,669 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:48,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859559688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:48,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:48,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 33 [2024-11-09 11:57:48,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166065696] [2024-11-09 11:57:48,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:48,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-09 11:57:48,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:48,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-09 11:57:48,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=914, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 11:57:48,008 INFO L87 Difference]: Start difference. First operand 630 states and 782 transitions. Second operand has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2024-11-09 11:57:51,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:51,342 INFO L93 Difference]: Finished difference Result 1056 states and 1322 transitions. [2024-11-09 11:57:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 11:57:51,343 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) Word has length 171 [2024-11-09 11:57:51,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:51,346 INFO L225 Difference]: With dead ends: 1056 [2024-11-09 11:57:51,346 INFO L226 Difference]: Without dead ends: 1055 [2024-11-09 11:57:51,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=990, Invalid=3042, Unknown=0, NotChecked=0, Total=4032 [2024-11-09 11:57:51,348 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 839 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:51,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 1278 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 11:57:51,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-11-09 11:57:51,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 847. [2024-11-09 11:57:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 729 states have (on average 1.1618655692729767) internal successors, (847), 734 states have internal predecessors, (847), 111 states have call successors, (111), 1 states have call predecessors, (111), 1 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-09 11:57:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1069 transitions. [2024-11-09 11:57:51,599 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1069 transitions. Word has length 171 [2024-11-09 11:57:51,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:51,599 INFO L471 AbstractCegarLoop]: Abstraction has 847 states and 1069 transitions. [2024-11-09 11:57:51,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2024-11-09 11:57:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1069 transitions. [2024-11-09 11:57:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 11:57:51,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:51,600 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:51,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:51,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:51,804 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:51,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:51,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1111956169, now seen corresponding path program 1 times [2024-11-09 11:57:51,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:51,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316973572] [2024-11-09 11:57:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:57:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:57:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:57:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:57:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 11:57:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 11:57:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:57:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:57:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:52,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316973572] [2024-11-09 11:57:52,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316973572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264392693] [2024-11-09 11:57:52,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:52,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:52,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:52,105 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:52,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:57:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:52,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:57:52,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:52,821 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:53,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264392693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:53,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:57:53,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-11-09 11:57:53,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353371122] [2024-11-09 11:57:53,187 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:53,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 11:57:53,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:53,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 11:57:53,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:57:53,189 INFO L87 Difference]: Start difference. First operand 847 states and 1069 transitions. Second operand has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-09 11:57:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:55,091 INFO L93 Difference]: Finished difference Result 1030 states and 1281 transitions. [2024-11-09 11:57:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-09 11:57:55,092 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 174 [2024-11-09 11:57:55,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:55,095 INFO L225 Difference]: With dead ends: 1030 [2024-11-09 11:57:55,095 INFO L226 Difference]: Without dead ends: 1015 [2024-11-09 11:57:55,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=478, Invalid=2602, Unknown=0, NotChecked=0, Total=3080 [2024-11-09 11:57:55,097 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 411 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:55,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 981 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:57:55,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2024-11-09 11:57:55,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 855. [2024-11-09 11:57:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 737 states have (on average 1.146540027137042) internal successors, (845), 742 states have internal predecessors, (845), 111 states have call successors, (111), 1 states have call predecessors, (111), 1 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-09 11:57:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1067 transitions. [2024-11-09 11:57:55,257 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1067 transitions. Word has length 174 [2024-11-09 11:57:55,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:55,258 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1067 transitions. [2024-11-09 11:57:55,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-09 11:57:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1067 transitions. [2024-11-09 11:57:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-09 11:57:55,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:55,259 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:55,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-09 11:57:55,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-09 11:57:55,460 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:55,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:55,461 INFO L85 PathProgramCache]: Analyzing trace with hash -180737039, now seen corresponding path program 5 times [2024-11-09 11:57:55,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:55,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719154143] [2024-11-09 11:57:55,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:55,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:57:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:57:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:57:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:57:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 11:57:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 11:57:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:57:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 11:57:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:57:55,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:55,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719154143] [2024-11-09 11:57:55,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719154143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:55,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135434368] [2024-11-09 11:57:55,854 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:57:55,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:55,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:55,855 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:55,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 11:57:55,946 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-09 11:57:55,947 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:55,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-09 11:57:55,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 90 proven. 204 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-09 11:57:57,642 INFO L311 TraceCheckSpWp]: Computing backward predicates...