./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:55:13,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:55:13,381 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:55:13,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:55:13,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:55:13,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:55:13,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:55:13,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:55:13,424 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:55:13,425 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:55:13,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:55:13,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:55:13,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:55:13,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:55:13,429 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:55:13,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:55:13,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:55:13,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:55:13,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:55:13,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:55:13,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:55:13,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:55:13,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:55:13,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:55:13,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:55:13,436 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:55:13,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:55:13,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:55:13,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:55:13,437 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:55:13,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:55:13,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:55:13,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:55:13,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:55:13,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:55:13,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:55:13,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:55:13,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:55:13,440 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:55:13,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:55:13,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:55:13,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:55:13,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:55:13,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:55:13,442 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 [2024-10-11 20:55:13,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:55:13,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:55:13,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:55:13,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:55:13,734 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:55:13,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2024-10-11 20:55:15,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:55:15,377 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:55:15,377 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2024-10-11 20:55:15,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6f69bbb29/72b4fe4d76444082878d1095a6e3b080/FLAGe47432af4 [2024-10-11 20:55:15,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6f69bbb29/72b4fe4d76444082878d1095a6e3b080 [2024-10-11 20:55:15,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:55:15,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:55:15,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:55:15,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:55:15,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:55:15,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:55:15" (1/1) ... [2024-10-11 20:55:15,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b685cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:15, skipping insertion in model container [2024-10-11 20:55:15,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:55:15" (1/1) ... [2024-10-11 20:55:15,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:55:16,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:55:16,024 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:55:16,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:55:16,065 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:55:16,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16 WrapperNode [2024-10-11 20:55:16,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:55:16,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:55:16,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:55:16,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:55:16,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,116 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-10-11 20:55:16,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:55:16,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:55:16,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:55:16,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:55:16,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,141 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,152 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 20:55:16,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:55:16,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:55:16,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:55:16,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:55:16,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (1/1) ... [2024-10-11 20:55:16,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:55:16,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:16,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:55:16,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:55:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:55:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:55:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:55:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:55:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:55:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:55:16,328 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:55:16,330 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:55:16,751 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-10-11 20:55:16,751 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:55:16,789 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:55:16,791 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:55:16,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:55:16 BoogieIcfgContainer [2024-10-11 20:55:16,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:55:16,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:55:16,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:55:16,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:55:16,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:55:15" (1/3) ... [2024-10-11 20:55:16,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622b427a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:55:16, skipping insertion in model container [2024-10-11 20:55:16,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:16" (2/3) ... [2024-10-11 20:55:16,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622b427a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:55:16, skipping insertion in model container [2024-10-11 20:55:16,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:55:16" (3/3) ... [2024-10-11 20:55:16,801 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound10.c [2024-10-11 20:55:16,816 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:55:16,816 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-10-11 20:55:16,877 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:55:16,883 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;@6ca6935a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:55:16,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-10-11 20:55:16,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 42 states have (on average 1.880952380952381) internal successors, (79), 70 states have internal predecessors, (79), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 20:55:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:55:16,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:16,893 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:55:16,894 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:16,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:16,899 INFO L85 PathProgramCache]: Analyzing trace with hash 163621270, now seen corresponding path program 1 times [2024-10-11 20:55:16,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:16,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536080769] [2024-10-11 20:55:16,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:16,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:55:17,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:17,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536080769] [2024-10-11 20:55:17,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536080769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:17,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:17,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:17,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793514476] [2024-10-11 20:55:17,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:17,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:55:17,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:17,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:55:17,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:55:17,090 INFO L87 Difference]: Start difference. First operand has 79 states, 42 states have (on average 1.880952380952381) internal successors, (79), 70 states have internal predecessors, (79), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:55:17,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:17,118 INFO L93 Difference]: Finished difference Result 156 states and 190 transitions. [2024-10-11 20:55:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:55:17,120 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 20:55:17,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:17,127 INFO L225 Difference]: With dead ends: 156 [2024-10-11 20:55:17,128 INFO L226 Difference]: Without dead ends: 75 [2024-10-11 20:55:17,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:55:17,133 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:17,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:17,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-11 20:55:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-10-11 20:55:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 68 states have internal predecessors, (73), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:55:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2024-10-11 20:55:17,170 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 5 [2024-10-11 20:55:17,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:17,170 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2024-10-11 20:55:17,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:55:17,171 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2024-10-11 20:55:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:55:17,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:17,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:55:17,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:55:17,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:17,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:17,173 INFO L85 PathProgramCache]: Analyzing trace with hash 163680852, now seen corresponding path program 1 times [2024-10-11 20:55:17,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:17,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348657790] [2024-10-11 20:55:17,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:17,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:17,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:55:17,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:17,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348657790] [2024-10-11 20:55:17,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348657790] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:17,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:17,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:17,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449566755] [2024-10-11 20:55:17,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:17,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:17,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:17,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:17,308 INFO L87 Difference]: Start difference. First operand 75 states and 83 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:55:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:17,362 INFO L93 Difference]: Finished difference Result 131 states and 143 transitions. [2024-10-11 20:55:17,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:17,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 20:55:17,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:17,365 INFO L225 Difference]: With dead ends: 131 [2024-10-11 20:55:17,365 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 20:55:17,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:17,368 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 4 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:17,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 228 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:17,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 20:55:17,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-11 20:55:17,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.711111111111111) internal successors, (77), 72 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:55:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2024-10-11 20:55:17,388 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 5 [2024-10-11 20:55:17,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:17,388 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2024-10-11 20:55:17,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:55:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2024-10-11 20:55:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 20:55:17,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:17,390 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:17,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:55:17,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:17,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:17,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1612836388, now seen corresponding path program 1 times [2024-10-11 20:55:17,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:17,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524941303] [2024-10-11 20:55:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:17,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:17,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750799011] [2024-10-11 20:55:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:17,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:17,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:17,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:17,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:55:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:17,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:17,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:55:17,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:17,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:17,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524941303] [2024-10-11 20:55:17,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:17,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750799011] [2024-10-11 20:55:17,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750799011] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:17,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:17,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:17,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339859563] [2024-10-11 20:55:17,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:17,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:55:17,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:17,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:17,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:17,536 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-11 20:55:17,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:17,607 INFO L93 Difference]: Finished difference Result 172 states and 192 transitions. [2024-10-11 20:55:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:17,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18 [2024-10-11 20:55:17,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:17,609 INFO L225 Difference]: With dead ends: 172 [2024-10-11 20:55:17,610 INFO L226 Difference]: Without dead ends: 118 [2024-10-11 20:55:17,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:17,611 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 33 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:17,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 139 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:17,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-11 20:55:17,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2024-10-11 20:55:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 63 states have (on average 1.6666666666666667) internal successors, (105), 90 states have internal predecessors, (105), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:55:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 125 transitions. [2024-10-11 20:55:17,623 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 125 transitions. Word has length 18 [2024-10-11 20:55:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:17,624 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 125 transitions. [2024-10-11 20:55:17,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-11 20:55:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 125 transitions. [2024-10-11 20:55:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:55:17,626 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:17,626 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] [2024-10-11 20:55:17,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:55:17,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:17,827 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:17,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:17,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1309924490, now seen corresponding path program 1 times [2024-10-11 20:55:17,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:17,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852741509] [2024-10-11 20:55:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:17,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:17,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:17,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:17,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:17,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:17,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852741509] [2024-10-11 20:55:17,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852741509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:17,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:17,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:17,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506348414] [2024-10-11 20:55:17,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:17,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:55:17,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:17,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:17,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:17,968 INFO L87 Difference]: Start difference. First operand 102 states and 125 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-11 20:55:18,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:18,072 INFO L93 Difference]: Finished difference Result 102 states and 125 transitions. [2024-10-11 20:55:18,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:18,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 26 [2024-10-11 20:55:18,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:18,074 INFO L225 Difference]: With dead ends: 102 [2024-10-11 20:55:18,074 INFO L226 Difference]: Without dead ends: 100 [2024-10-11 20:55:18,075 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 [2024-10-11 20:55:18,076 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 48 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:18,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 68 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:18,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-11 20:55:18,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-10-11 20:55:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 63 states have (on average 1.619047619047619) internal successors, (102), 88 states have internal predecessors, (102), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:55:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2024-10-11 20:55:18,087 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 26 [2024-10-11 20:55:18,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:18,088 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2024-10-11 20:55:18,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-11 20:55:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2024-10-11 20:55:18,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:55:18,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:18,089 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] [2024-10-11 20:55:18,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:55:18,090 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:18,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:18,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1952954963, now seen corresponding path program 1 times [2024-10-11 20:55:18,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:18,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472381299] [2024-10-11 20:55:18,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:18,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:18,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:18,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472381299] [2024-10-11 20:55:18,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472381299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:18,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:18,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:55:18,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953078055] [2024-10-11 20:55:18,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:18,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:55:18,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:18,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:55:18,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:55:18,307 INFO L87 Difference]: Start difference. First operand 100 states and 122 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-10-11 20:55:18,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:18,427 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2024-10-11 20:55:18,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:55:18,428 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), 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 27 [2024-10-11 20:55:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:18,429 INFO L225 Difference]: With dead ends: 124 [2024-10-11 20:55:18,430 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 20:55:18,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:55:18,431 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 47 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:18,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 401 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:18,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 20:55:18,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 104. [2024-10-11 20:55:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 66 states have (on average 1.5757575757575757) internal successors, (104), 91 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:55:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2024-10-11 20:55:18,442 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 27 [2024-10-11 20:55:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:18,442 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2024-10-11 20:55:18,443 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), 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) [2024-10-11 20:55:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2024-10-11 20:55:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:55:18,443 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:18,444 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] [2024-10-11 20:55:18,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:55:18,444 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:18,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:18,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1952953457, now seen corresponding path program 1 times [2024-10-11 20:55:18,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:18,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039482166] [2024-10-11 20:55:18,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:18,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:18,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:18,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039482166] [2024-10-11 20:55:18,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039482166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:18,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:18,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:18,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614905094] [2024-10-11 20:55:18,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:18,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:55:18,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:18,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:18,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:18,545 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-11 20:55:18,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:18,593 INFO L93 Difference]: Finished difference Result 114 states and 131 transitions. [2024-10-11 20:55:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:18,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 27 [2024-10-11 20:55:18,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:18,594 INFO L225 Difference]: With dead ends: 114 [2024-10-11 20:55:18,595 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 20:55:18,595 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 [2024-10-11 20:55:18,596 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:18,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 127 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:18,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 20:55:18,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2024-10-11 20:55:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 66 states have (on average 1.5606060606060606) internal successors, (103), 91 states have internal predecessors, (103), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:55:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 123 transitions. [2024-10-11 20:55:18,605 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 123 transitions. Word has length 27 [2024-10-11 20:55:18,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:18,605 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 123 transitions. [2024-10-11 20:55:18,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-11 20:55:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2024-10-11 20:55:18,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 20:55:18,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:18,607 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] [2024-10-11 20:55:18,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 20:55:18,607 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:18,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:18,607 INFO L85 PathProgramCache]: Analyzing trace with hash -412061625, now seen corresponding path program 1 times [2024-10-11 20:55:18,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:18,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575914403] [2024-10-11 20:55:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:18,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:18,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:18,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575914403] [2024-10-11 20:55:18,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575914403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:18,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:18,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:55:18,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928774384] [2024-10-11 20:55:18,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:18,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:55:18,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:18,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:55:18,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:55:18,732 INFO L87 Difference]: Start difference. First operand 104 states and 123 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 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) [2024-10-11 20:55:18,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:18,807 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2024-10-11 20:55:18,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:55:18,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 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 [2024-10-11 20:55:18,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:18,809 INFO L225 Difference]: With dead ends: 122 [2024-10-11 20:55:18,809 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 20:55:18,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:55:18,810 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 23 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:18,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 297 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:18,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 20:55:18,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 108. [2024-10-11 20:55:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 94 states have internal predecessors, (104), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:55:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2024-10-11 20:55:18,819 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 28 [2024-10-11 20:55:18,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:18,819 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2024-10-11 20:55:18,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-11 20:55:18,819 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2024-10-11 20:55:18,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:55:18,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:18,820 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, 1, 1] [2024-10-11 20:55:18,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 20:55:18,820 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:18,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:18,821 INFO L85 PathProgramCache]: Analyzing trace with hash -854227543, now seen corresponding path program 1 times [2024-10-11 20:55:18,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:18,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499804262] [2024-10-11 20:55:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:18,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:18,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [643659019] [2024-10-11 20:55:18,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:18,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:18,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:18,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:18,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:55:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:18,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:18,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:18,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:18,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:18,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:18,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499804262] [2024-10-11 20:55:18,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:18,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643659019] [2024-10-11 20:55:18,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643659019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:18,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:18,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:18,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130795045] [2024-10-11 20:55:18,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:18,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:55:18,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:18,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:18,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:18,922 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-11 20:55:18,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:18,995 INFO L93 Difference]: Finished difference Result 147 states and 173 transitions. [2024-10-11 20:55:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:18,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 30 [2024-10-11 20:55:18,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:18,997 INFO L225 Difference]: With dead ends: 147 [2024-10-11 20:55:18,997 INFO L226 Difference]: Without dead ends: 143 [2024-10-11 20:55:18,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:18,998 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 43 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:18,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 102 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:18,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-11 20:55:19,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 128. [2024-10-11 20:55:19,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 87 states have (on average 1.5172413793103448) internal successors, (132), 112 states have internal predecessors, (132), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:55:19,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2024-10-11 20:55:19,008 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 30 [2024-10-11 20:55:19,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:19,008 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2024-10-11 20:55:19,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-11 20:55:19,008 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2024-10-11 20:55:19,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-11 20:55:19,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:19,009 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:19,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:55:19,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:19,211 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:19,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:19,211 INFO L85 PathProgramCache]: Analyzing trace with hash 679168499, now seen corresponding path program 1 times [2024-10-11 20:55:19,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:19,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831683611] [2024-10-11 20:55:19,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:19,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:19,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:19,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:19,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:19,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:19,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831683611] [2024-10-11 20:55:19,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831683611] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:19,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4044181] [2024-10-11 20:55:19,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:19,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:19,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:19,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:19,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:55:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:19,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:19,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:19,468 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:19,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4044181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:19,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:19,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:55:19,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076356474] [2024-10-11 20:55:19,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:19,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:19,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:19,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:19,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:55:19,470 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (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) [2024-10-11 20:55:19,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:19,505 INFO L93 Difference]: Finished difference Result 137 states and 164 transitions. [2024-10-11 20:55:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:19,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (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 31 [2024-10-11 20:55:19,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:19,507 INFO L225 Difference]: With dead ends: 137 [2024-10-11 20:55:19,507 INFO L226 Difference]: Without dead ends: 136 [2024-10-11 20:55:19,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:55:19,508 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 19 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:19,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 194 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:19,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-11 20:55:19,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 131. [2024-10-11 20:55:19,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 90 states have (on average 1.488888888888889) internal successors, (134), 114 states have internal predecessors, (134), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:55:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 158 transitions. [2024-10-11 20:55:19,517 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 158 transitions. Word has length 31 [2024-10-11 20:55:19,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:19,518 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 158 transitions. [2024-10-11 20:55:19,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (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) [2024-10-11 20:55:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 158 transitions. [2024-10-11 20:55:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:55:19,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:19,519 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, 1, 1, 1, 1] [2024-10-11 20:55:19,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:55:19,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:19,724 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:19,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:19,725 INFO L85 PathProgramCache]: Analyzing trace with hash -573912309, now seen corresponding path program 1 times [2024-10-11 20:55:19,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:19,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280861698] [2024-10-11 20:55:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:19,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:19,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:19,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:19,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:19,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:19,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280861698] [2024-10-11 20:55:19,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280861698] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:19,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:19,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:55:19,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647920594] [2024-10-11 20:55:19,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:19,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:19,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:19,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:19,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:19,797 INFO L87 Difference]: Start difference. First operand 131 states and 158 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-11 20:55:20,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:20,532 INFO L93 Difference]: Finished difference Result 157 states and 185 transitions. [2024-10-11 20:55:20,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:20,532 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), 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 32 [2024-10-11 20:55:20,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:20,534 INFO L225 Difference]: With dead ends: 157 [2024-10-11 20:55:20,534 INFO L226 Difference]: Without dead ends: 156 [2024-10-11 20:55:20,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:20,539 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 107 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:20,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 113 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:55:20,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-11 20:55:20,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 138. [2024-10-11 20:55:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 97 states have (on average 1.4845360824742269) internal successors, (144), 121 states have internal predecessors, (144), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:55:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 168 transitions. [2024-10-11 20:55:20,567 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 168 transitions. Word has length 32 [2024-10-11 20:55:20,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:20,568 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 168 transitions. [2024-10-11 20:55:20,568 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), 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) [2024-10-11 20:55:20,568 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 168 transitions. [2024-10-11 20:55:20,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:55:20,569 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:20,569 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:20,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:55:20,569 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:20,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:20,570 INFO L85 PathProgramCache]: Analyzing trace with hash -420612963, now seen corresponding path program 1 times [2024-10-11 20:55:20,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:20,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433259652] [2024-10-11 20:55:20,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:20,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:20,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:20,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:20,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:20,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:20,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433259652] [2024-10-11 20:55:20,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433259652] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:20,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482497421] [2024-10-11 20:55:20,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:20,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:20,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:20,685 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:20,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:55:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:20,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:20,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:20,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:20,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482497421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:20,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:20,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:55:20,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102113853] [2024-10-11 20:55:20,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:20,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:20,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:20,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:20,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:55:20,802 INFO L87 Difference]: Start difference. First operand 138 states and 168 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-10-11 20:55:20,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:20,876 INFO L93 Difference]: Finished difference Result 143 states and 173 transitions. [2024-10-11 20:55:20,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:20,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 32 [2024-10-11 20:55:20,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:20,878 INFO L225 Difference]: With dead ends: 143 [2024-10-11 20:55:20,878 INFO L226 Difference]: Without dead ends: 142 [2024-10-11 20:55:20,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:55:20,878 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 16 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:20,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 265 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:20,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-11 20:55:20,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 137. [2024-10-11 20:55:20,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 97 states have (on average 1.4742268041237114) internal successors, (143), 120 states have internal predecessors, (143), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:55:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 167 transitions. [2024-10-11 20:55:20,895 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 167 transitions. Word has length 32 [2024-10-11 20:55:20,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:20,895 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 167 transitions. [2024-10-11 20:55:20,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-10-11 20:55:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 167 transitions. [2024-10-11 20:55:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:55:20,896 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:20,896 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, 1, 1, 1, 1, 1] [2024-10-11 20:55:20,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:55:21,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:55:21,097 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:21,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:21,097 INFO L85 PathProgramCache]: Analyzing trace with hash -611412298, now seen corresponding path program 1 times [2024-10-11 20:55:21,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:21,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590728060] [2024-10-11 20:55:21,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:21,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:21,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889922234] [2024-10-11 20:55:21,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:21,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:21,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:21,111 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:21,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:55:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:21,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:55:21,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:21,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:21,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:21,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590728060] [2024-10-11 20:55:21,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:21,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889922234] [2024-10-11 20:55:21,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889922234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:21,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:21,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:55:21,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081975211] [2024-10-11 20:55:21,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:21,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:21,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:21,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:21,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:21,314 INFO L87 Difference]: Start difference. First operand 137 states and 167 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) [2024-10-11 20:55:21,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:21,508 INFO L93 Difference]: Finished difference Result 143 states and 172 transitions. [2024-10-11 20:55:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:21,508 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 33 [2024-10-11 20:55:21,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:21,509 INFO L225 Difference]: With dead ends: 143 [2024-10-11 20:55:21,509 INFO L226 Difference]: Without dead ends: 140 [2024-10-11 20:55:21,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:21,510 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 24 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:21,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:21,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-11 20:55:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-11 20:55:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 100 states have (on average 1.45) internal successors, (145), 123 states have internal predecessors, (145), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:55:21,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions. [2024-10-11 20:55:21,527 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 33 [2024-10-11 20:55:21,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:21,527 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions. [2024-10-11 20:55:21,527 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) [2024-10-11 20:55:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2024-10-11 20:55:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 20:55:21,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:21,528 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:21,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:55:21,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:55:21,729 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:21,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:21,730 INFO L85 PathProgramCache]: Analyzing trace with hash -2061126728, now seen corresponding path program 1 times [2024-10-11 20:55:21,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:21,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968749003] [2024-10-11 20:55:21,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:21,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:21,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:21,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:21,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:21,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:21,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968749003] [2024-10-11 20:55:21,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968749003] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:21,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133777468] [2024-10-11 20:55:21,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:21,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:21,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:21,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:21,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:55:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:21,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:55:21,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:21,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:55:21,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133777468] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:21,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:21,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-11 20:55:21,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585063332] [2024-10-11 20:55:21,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:21,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:55:21,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:21,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:55:21,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:55:21,993 INFO L87 Difference]: Start difference. First operand 140 states and 169 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:55:22,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:22,138 INFO L93 Difference]: Finished difference Result 276 states and 335 transitions. [2024-10-11 20:55:22,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:55:22,139 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 35 [2024-10-11 20:55:22,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:22,140 INFO L225 Difference]: With dead ends: 276 [2024-10-11 20:55:22,140 INFO L226 Difference]: Without dead ends: 200 [2024-10-11 20:55:22,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:55:22,141 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 65 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:22,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 329 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:22,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-10-11 20:55:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 180. [2024-10-11 20:55:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 132 states have (on average 1.4318181818181819) internal successors, (189), 155 states have internal predecessors, (189), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 20:55:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 225 transitions. [2024-10-11 20:55:22,156 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 225 transitions. Word has length 35 [2024-10-11 20:55:22,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:22,157 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 225 transitions. [2024-10-11 20:55:22,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:55:22,157 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 225 transitions. [2024-10-11 20:55:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:55:22,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:22,158 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:22,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:55:22,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:55:22,359 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:22,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:22,359 INFO L85 PathProgramCache]: Analyzing trace with hash -911870819, now seen corresponding path program 1 times [2024-10-11 20:55:22,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:22,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585743211] [2024-10-11 20:55:22,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:22,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:22,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795364566] [2024-10-11 20:55:22,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:22,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:22,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:22,376 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:22,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:55:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:22,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:22,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:55:22,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:22,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:22,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585743211] [2024-10-11 20:55:22,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:22,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795364566] [2024-10-11 20:55:22,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795364566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:22,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:22,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:55:22,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083808477] [2024-10-11 20:55:22,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:22,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:22,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:22,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:22,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:22,464 INFO L87 Difference]: Start difference. First operand 180 states and 225 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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) [2024-10-11 20:55:22,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:22,549 INFO L93 Difference]: Finished difference Result 218 states and 266 transitions. [2024-10-11 20:55:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:22,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-10-11 20:55:22,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:22,552 INFO L225 Difference]: With dead ends: 218 [2024-10-11 20:55:22,552 INFO L226 Difference]: Without dead ends: 208 [2024-10-11 20:55:22,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:22,553 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 66 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:22,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 159 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:22,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-11 20:55:22,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2024-10-11 20:55:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 143 states have (on average 1.3636363636363635) internal successors, (195), 162 states have internal predecessors, (195), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:55:22,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 235 transitions. [2024-10-11 20:55:22,571 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 235 transitions. Word has length 44 [2024-10-11 20:55:22,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:22,571 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 235 transitions. [2024-10-11 20:55:22,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:55:22,571 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 235 transitions. [2024-10-11 20:55:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:55:22,583 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:22,584 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:22,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:22,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:22,784 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:22,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:22,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1796775742, now seen corresponding path program 1 times [2024-10-11 20:55:22,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:22,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861316108] [2024-10-11 20:55:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:22,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:22,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258891420] [2024-10-11 20:55:22,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:22,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:22,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:22,799 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:22,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:55:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:22,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:22,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:55:22,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:22,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:22,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861316108] [2024-10-11 20:55:22,952 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:22,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258891420] [2024-10-11 20:55:22,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258891420] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:22,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:22,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-11 20:55:22,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605556202] [2024-10-11 20:55:22,953 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:22,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:22,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:22,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:22,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:22,954 INFO L87 Difference]: Start difference. First operand 189 states and 235 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 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) [2024-10-11 20:55:23,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:23,047 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2024-10-11 20:55:23,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:23,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-10-11 20:55:23,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:23,050 INFO L225 Difference]: With dead ends: 287 [2024-10-11 20:55:23,050 INFO L226 Difference]: Without dead ends: 283 [2024-10-11 20:55:23,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:23,052 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 69 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:23,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 183 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:23,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-11 20:55:23,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 249. [2024-10-11 20:55:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 197 states have (on average 1.4060913705583757) internal successors, (277), 216 states have internal predecessors, (277), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-11 20:55:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 329 transitions. [2024-10-11 20:55:23,081 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 329 transitions. Word has length 45 [2024-10-11 20:55:23,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:23,081 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 329 transitions. [2024-10-11 20:55:23,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:55:23,081 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 329 transitions. [2024-10-11 20:55:23,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 20:55:23,082 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:23,082 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, 1, 1, 1, 1] [2024-10-11 20:55:23,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:55:23,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 20:55:23,283 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:23,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:23,284 INFO L85 PathProgramCache]: Analyzing trace with hash 684890327, now seen corresponding path program 1 times [2024-10-11 20:55:23,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:23,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800425054] [2024-10-11 20:55:23,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:23,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 20:55:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:55:23,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:23,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800425054] [2024-10-11 20:55:23,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800425054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:23,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:23,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:55:23,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769674965] [2024-10-11 20:55:23,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:23,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:23,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:23,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:23,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:23,379 INFO L87 Difference]: Start difference. First operand 249 states and 329 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-11 20:55:23,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:23,776 INFO L93 Difference]: Finished difference Result 261 states and 340 transitions. [2024-10-11 20:55:23,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:23,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 49 [2024-10-11 20:55:23,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:23,778 INFO L225 Difference]: With dead ends: 261 [2024-10-11 20:55:23,778 INFO L226 Difference]: Without dead ends: 240 [2024-10-11 20:55:23,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:23,781 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 51 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:23,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 132 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:55:23,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-11 20:55:23,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 230. [2024-10-11 20:55:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 181 states have (on average 1.4364640883977902) internal successors, (260), 200 states have internal predecessors, (260), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:55:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 308 transitions. [2024-10-11 20:55:23,803 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 308 transitions. Word has length 49 [2024-10-11 20:55:23,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:23,804 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 308 transitions. [2024-10-11 20:55:23,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-11 20:55:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 308 transitions. [2024-10-11 20:55:23,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:55:23,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:23,805 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:23,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 20:55:23,805 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:23,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:23,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1928129548, now seen corresponding path program 1 times [2024-10-11 20:55:23,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:23,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076517925] [2024-10-11 20:55:23,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:55:23,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:23,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076517925] [2024-10-11 20:55:23,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076517925] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:23,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715207932] [2024-10-11 20:55:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:23,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:23,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:23,984 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:23,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:55:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:24,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:55:24,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:55:24,155 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:24,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715207932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:24,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:24,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-10-11 20:55:24,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273009173] [2024-10-11 20:55:24,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:24,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:55:24,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:24,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:55:24,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:55:24,157 INFO L87 Difference]: Start difference. First operand 230 states and 308 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:55:24,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:24,228 INFO L93 Difference]: Finished difference Result 230 states and 308 transitions. [2024-10-11 20:55:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:24,229 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-10-11 20:55:24,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:24,231 INFO L225 Difference]: With dead ends: 230 [2024-10-11 20:55:24,231 INFO L226 Difference]: Without dead ends: 229 [2024-10-11 20:55:24,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:55:24,232 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 61 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:24,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 248 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:24,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-11 20:55:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-10-11 20:55:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.3922651933701657) internal successors, (252), 199 states have internal predecessors, (252), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:55:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 300 transitions. [2024-10-11 20:55:24,259 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 300 transitions. Word has length 53 [2024-10-11 20:55:24,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:24,259 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 300 transitions. [2024-10-11 20:55:24,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:55:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions. [2024-10-11 20:55:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:55:24,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:24,261 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:24,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:24,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:55:24,462 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:24,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:24,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1928131054, now seen corresponding path program 1 times [2024-10-11 20:55:24,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:24,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371017575] [2024-10-11 20:55:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:24,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:24,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:24,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:24,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:24,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:24,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:24,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:55:24,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:24,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371017575] [2024-10-11 20:55:24,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371017575] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:24,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292877339] [2024-10-11 20:55:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:24,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:24,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:24,528 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:24,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:55:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:24,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:24,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:55:24,620 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:55:24,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292877339] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:24,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:24,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-11 20:55:24,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159488290] [2024-10-11 20:55:24,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:24,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:55:24,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:24,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:55:24,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:55:24,687 INFO L87 Difference]: Start difference. First operand 229 states and 300 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:55:24,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:24,854 INFO L93 Difference]: Finished difference Result 362 states and 464 transitions. [2024-10-11 20:55:24,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:55:24,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 53 [2024-10-11 20:55:24,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:24,856 INFO L225 Difference]: With dead ends: 362 [2024-10-11 20:55:24,857 INFO L226 Difference]: Without dead ends: 360 [2024-10-11 20:55:24,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:55:24,857 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 166 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:24,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 234 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:24,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-11 20:55:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 297. [2024-10-11 20:55:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 240 states have (on average 1.4083333333333334) internal successors, (338), 258 states have internal predecessors, (338), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:55:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 404 transitions. [2024-10-11 20:55:24,883 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 404 transitions. Word has length 53 [2024-10-11 20:55:24,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:24,883 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 404 transitions. [2024-10-11 20:55:24,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:55:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 404 transitions. [2024-10-11 20:55:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 20:55:24,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:24,884 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:24,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:55:25,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:55:25,088 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:25,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:25,088 INFO L85 PathProgramCache]: Analyzing trace with hash -357526072, now seen corresponding path program 1 times [2024-10-11 20:55:25,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:25,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489704062] [2024-10-11 20:55:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:25,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:25,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:25,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:25,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:25,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:25,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:25,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:55:25,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:25,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489704062] [2024-10-11 20:55:25,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489704062] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:25,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278632256] [2024-10-11 20:55:25,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:25,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:25,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:25,227 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:25,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:55:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:25,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:55:25,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:55:25,379 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:55:25,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278632256] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:25,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:25,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-10-11 20:55:25,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329161497] [2024-10-11 20:55:25,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:25,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 20:55:25,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:25,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 20:55:25,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:55:25,500 INFO L87 Difference]: Start difference. First operand 297 states and 404 transitions. Second operand has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 19 states have internal predecessors, (76), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-11 20:55:25,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:25,785 INFO L93 Difference]: Finished difference Result 429 states and 562 transitions. [2024-10-11 20:55:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:55:25,785 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 19 states have internal predecessors, (76), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 54 [2024-10-11 20:55:25,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:25,788 INFO L225 Difference]: With dead ends: 429 [2024-10-11 20:55:25,788 INFO L226 Difference]: Without dead ends: 423 [2024-10-11 20:55:25,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2024-10-11 20:55:25,789 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 341 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:25,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 443 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:25,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-10-11 20:55:25,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393. [2024-10-11 20:55:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 330 states have (on average 1.3848484848484848) internal successors, (457), 348 states have internal predecessors, (457), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-11 20:55:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 531 transitions. [2024-10-11 20:55:25,817 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 531 transitions. Word has length 54 [2024-10-11 20:55:25,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:25,817 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 531 transitions. [2024-10-11 20:55:25,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 19 states have internal predecessors, (76), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-11 20:55:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 531 transitions. [2024-10-11 20:55:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:55:25,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:25,818 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:55:25,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:55:26,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:26,022 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:26,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:26,023 INFO L85 PathProgramCache]: Analyzing trace with hash -541148715, now seen corresponding path program 1 times [2024-10-11 20:55:26,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:26,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270929623] [2024-10-11 20:55:26,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:26,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:26,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1380993294] [2024-10-11 20:55:26,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:26,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:26,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:26,037 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:26,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:55:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:26,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:55:26,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:55:26,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:55:26,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:26,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270929623] [2024-10-11 20:55:26,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:26,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380993294] [2024-10-11 20:55:26,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380993294] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:26,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:55:26,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-11 20:55:26,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500262579] [2024-10-11 20:55:26,410 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:26,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:55:26,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:26,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:55:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:55:26,412 INFO L87 Difference]: Start difference. First operand 393 states and 531 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:55:27,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:27,001 INFO L93 Difference]: Finished difference Result 440 states and 592 transitions. [2024-10-11 20:55:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:55:27,001 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 59 [2024-10-11 20:55:27,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:27,003 INFO L225 Difference]: With dead ends: 440 [2024-10-11 20:55:27,003 INFO L226 Difference]: Without dead ends: 434 [2024-10-11 20:55:27,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:55:27,004 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 223 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:27,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 211 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:55:27,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-11 20:55:27,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 396. [2024-10-11 20:55:27,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 333 states have (on average 1.3483483483483483) internal successors, (449), 351 states have internal predecessors, (449), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-11 20:55:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 523 transitions. [2024-10-11 20:55:27,040 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 523 transitions. Word has length 59 [2024-10-11 20:55:27,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:27,041 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 523 transitions. [2024-10-11 20:55:27,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:55:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 523 transitions. [2024-10-11 20:55:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 20:55:27,042 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:27,042 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:55:27,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:27,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:27,247 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:27,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:27,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1930038237, now seen corresponding path program 2 times [2024-10-11 20:55:27,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:27,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939423598] [2024-10-11 20:55:27,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:27,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:27,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1961463221] [2024-10-11 20:55:27,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:55:27,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:27,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:27,264 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:27,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:55:27,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:55:27,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:55:27,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:27,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:55:27,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:27,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:27,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939423598] [2024-10-11 20:55:27,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:27,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961463221] [2024-10-11 20:55:27,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961463221] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:27,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:27,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:55:27,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883168107] [2024-10-11 20:55:27,422 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:27,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:27,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:27,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:27,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:55:27,424 INFO L87 Difference]: Start difference. First operand 396 states and 523 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:55:27,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:27,562 INFO L93 Difference]: Finished difference Result 544 states and 705 transitions. [2024-10-11 20:55:27,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:27,563 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), 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 71 [2024-10-11 20:55:27,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:27,565 INFO L225 Difference]: With dead ends: 544 [2024-10-11 20:55:27,565 INFO L226 Difference]: Without dead ends: 540 [2024-10-11 20:55:27,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:55:27,567 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 95 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:27,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 239 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:27,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-11 20:55:27,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 435. [2024-10-11 20:55:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 368 states have (on average 1.326086956521739) internal successors, (488), 386 states have internal predecessors, (488), 41 states have call successors, (41), 7 states have call predecessors, (41), 7 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 20:55:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 570 transitions. [2024-10-11 20:55:27,607 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 570 transitions. Word has length 71 [2024-10-11 20:55:27,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:27,607 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 570 transitions. [2024-10-11 20:55:27,607 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:55:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 570 transitions. [2024-10-11 20:55:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 20:55:27,608 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:27,608 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, 1] [2024-10-11 20:55:27,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:55:27,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:27,813 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:27,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:27,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1411809605, now seen corresponding path program 1 times [2024-10-11 20:55:27,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:27,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293391317] [2024-10-11 20:55:27,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:27,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-11 20:55:27,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:27,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293391317] [2024-10-11 20:55:27,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293391317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:27,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:27,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:27,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891726286] [2024-10-11 20:55:27,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:27,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:55:27,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:27,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:27,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:27,900 INFO L87 Difference]: Start difference. First operand 435 states and 570 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 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) [2024-10-11 20:55:27,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:27,961 INFO L93 Difference]: Finished difference Result 435 states and 570 transitions. [2024-10-11 20:55:27,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:27,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 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 78 [2024-10-11 20:55:27,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:27,964 INFO L225 Difference]: With dead ends: 435 [2024-10-11 20:55:27,964 INFO L226 Difference]: Without dead ends: 434 [2024-10-11 20:55:27,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:27,965 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:27,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 113 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:27,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-11 20:55:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2024-10-11 20:55:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 368 states have (on average 1.3070652173913044) internal successors, (481), 385 states have internal predecessors, (481), 41 states have call successors, (41), 7 states have call predecessors, (41), 7 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 20:55:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 563 transitions. [2024-10-11 20:55:27,998 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 563 transitions. Word has length 78 [2024-10-11 20:55:27,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:27,998 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 563 transitions. [2024-10-11 20:55:27,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 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) [2024-10-11 20:55:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 563 transitions. [2024-10-11 20:55:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 20:55:27,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:27,999 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, 1, 1] [2024-10-11 20:55:28,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 20:55:28,000 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:28,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:28,000 INFO L85 PathProgramCache]: Analyzing trace with hash -816424672, now seen corresponding path program 1 times [2024-10-11 20:55:28,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:28,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002388995] [2024-10-11 20:55:28,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:28,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-11 20:55:28,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:28,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002388995] [2024-10-11 20:55:28,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002388995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:28,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:28,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:55:28,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250398797] [2024-10-11 20:55:28,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:28,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:55:28,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:28,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:55:28,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:55:28,165 INFO L87 Difference]: Start difference. First operand 434 states and 563 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:55:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:28,439 INFO L93 Difference]: Finished difference Result 648 states and 867 transitions. [2024-10-11 20:55:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:55:28,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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 79 [2024-10-11 20:55:28,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:28,443 INFO L225 Difference]: With dead ends: 648 [2024-10-11 20:55:28,443 INFO L226 Difference]: Without dead ends: 647 [2024-10-11 20:55:28,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:55:28,444 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 114 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:28,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 274 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:28,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-10-11 20:55:28,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 586. [2024-10-11 20:55:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 506 states have (on average 1.3517786561264822) internal successors, (684), 523 states have internal predecessors, (684), 55 states have call successors, (55), 7 states have call predecessors, (55), 7 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:55:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 794 transitions. [2024-10-11 20:55:28,512 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 794 transitions. Word has length 79 [2024-10-11 20:55:28,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:28,513 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 794 transitions. [2024-10-11 20:55:28,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:55:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 794 transitions. [2024-10-11 20:55:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 20:55:28,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:28,514 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, 1, 1, 1] [2024-10-11 20:55:28,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 20:55:28,514 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:28,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:28,514 INFO L85 PathProgramCache]: Analyzing trace with hash 460639069, now seen corresponding path program 1 times [2024-10-11 20:55:28,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:28,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332566083] [2024-10-11 20:55:28,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:28,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:55:28,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332566083] [2024-10-11 20:55:28,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332566083] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74238109] [2024-10-11 20:55:28,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:28,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:28,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:28,664 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:28,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:55:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:28,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-11 20:55:28,896 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:28,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74238109] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:28,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:28,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-11 20:55:28,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416679164] [2024-10-11 20:55:28,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:28,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:28,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:28,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:28,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:55:28,898 INFO L87 Difference]: Start difference. First operand 586 states and 794 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) [2024-10-11 20:55:29,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:29,170 INFO L93 Difference]: Finished difference Result 614 states and 821 transitions. [2024-10-11 20:55:29,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:29,171 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 80 [2024-10-11 20:55:29,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:29,174 INFO L225 Difference]: With dead ends: 614 [2024-10-11 20:55:29,174 INFO L226 Difference]: Without dead ends: 613 [2024-10-11 20:55:29,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:55:29,175 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 86 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:29,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 146 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:29,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-10-11 20:55:29,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 595. [2024-10-11 20:55:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 515 states have (on average 1.3359223300970873) internal successors, (688), 532 states have internal predecessors, (688), 55 states have call successors, (55), 7 states have call predecessors, (55), 7 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:55:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 798 transitions. [2024-10-11 20:55:29,244 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 798 transitions. Word has length 80 [2024-10-11 20:55:29,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:29,245 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 798 transitions. [2024-10-11 20:55:29,245 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) [2024-10-11 20:55:29,245 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 798 transitions. [2024-10-11 20:55:29,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 20:55:29,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:29,246 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, 1, 1, 1, 1] [2024-10-11 20:55:29,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:55:29,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 20:55:29,447 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:29,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:29,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1394909378, now seen corresponding path program 1 times [2024-10-11 20:55:29,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:29,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724556104] [2024-10-11 20:55:29,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:29,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:55:29,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:29,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724556104] [2024-10-11 20:55:29,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724556104] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:29,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525116618] [2024-10-11 20:55:29,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:29,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:29,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:29,615 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:29,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:55:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:29,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-11 20:55:29,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:29,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525116618] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:29,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:29,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-11 20:55:29,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140620638] [2024-10-11 20:55:29,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:29,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:29,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:29,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:29,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:55:29,802 INFO L87 Difference]: Start difference. First operand 595 states and 798 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-10-11 20:55:30,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:30,104 INFO L93 Difference]: Finished difference Result 609 states and 809 transitions. [2024-10-11 20:55:30,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:30,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 81 [2024-10-11 20:55:30,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:30,109 INFO L225 Difference]: With dead ends: 609 [2024-10-11 20:55:30,109 INFO L226 Difference]: Without dead ends: 607 [2024-10-11 20:55:30,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:55:30,111 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 42 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:30,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 114 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:30,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-10-11 20:55:30,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 598. [2024-10-11 20:55:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 518 states have (on average 1.3146718146718146) internal successors, (681), 535 states have internal predecessors, (681), 55 states have call successors, (55), 7 states have call predecessors, (55), 7 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:55:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 791 transitions. [2024-10-11 20:55:30,186 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 791 transitions. Word has length 81 [2024-10-11 20:55:30,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:30,187 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 791 transitions. [2024-10-11 20:55:30,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-10-11 20:55:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 791 transitions. [2024-10-11 20:55:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 20:55:30,189 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:30,189 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-10-11 20:55:30,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 20:55:30,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:55:30,394 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:30,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:30,394 INFO L85 PathProgramCache]: Analyzing trace with hash 235053106, now seen corresponding path program 1 times [2024-10-11 20:55:30,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:30,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955390714] [2024-10-11 20:55:30,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:30,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:55:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:55:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:55:30,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:30,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955390714] [2024-10-11 20:55:30,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955390714] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:30,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216699350] [2024-10-11 20:55:30,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:30,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:30,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:30,556 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:30,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:55:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:55:30,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 20:55:30,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:55:30,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216699350] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:30,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:30,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-10-11 20:55:30,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787422287] [2024-10-11 20:55:30,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:30,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 20:55:30,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:30,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 20:55:30,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:55:30,899 INFO L87 Difference]: Start difference. First operand 598 states and 791 transitions. Second operand has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 21 states have internal predecessors, (95), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-10-11 20:55:31,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:31,343 INFO L93 Difference]: Finished difference Result 821 states and 1069 transitions. [2024-10-11 20:55:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-11 20:55:31,344 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 21 states have internal predecessors, (95), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 85 [2024-10-11 20:55:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:31,347 INFO L225 Difference]: With dead ends: 821 [2024-10-11 20:55:31,347 INFO L226 Difference]: Without dead ends: 671 [2024-10-11 20:55:31,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=355, Invalid=1127, Unknown=0, NotChecked=0, Total=1482 [2024-10-11 20:55:31,349 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 154 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:31,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 751 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:31,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-10-11 20:55:31,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 653. [2024-10-11 20:55:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 563 states have (on average 1.2966252220248669) internal successors, (730), 580 states have internal predecessors, (730), 61 states have call successors, (61), 11 states have call predecessors, (61), 11 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-11 20:55:31,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 852 transitions. [2024-10-11 20:55:31,409 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 852 transitions. Word has length 85 [2024-10-11 20:55:31,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:31,410 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 852 transitions. [2024-10-11 20:55:31,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 21 states have internal predecessors, (95), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-10-11 20:55:31,410 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 852 transitions. [2024-10-11 20:55:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-11 20:55:31,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:31,413 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:31,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:55:31,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 20:55:31,614 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:31,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:31,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1515810226, now seen corresponding path program 1 times [2024-10-11 20:55:31,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:31,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041529246] [2024-10-11 20:55:31,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:31,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:31,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [948508859] [2024-10-11 20:55:31,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:31,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:31,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:31,643 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:31,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:55:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:55:31,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:55:32,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:32,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:32,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041529246] [2024-10-11 20:55:32,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:32,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948508859] [2024-10-11 20:55:32,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948508859] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:32,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:32,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:55:32,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075858832] [2024-10-11 20:55:32,693 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:32,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:55:32,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:32,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:55:32,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:55:32,694 INFO L87 Difference]: Start difference. First operand 653 states and 852 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:55:33,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:33,178 INFO L93 Difference]: Finished difference Result 682 states and 891 transitions. [2024-10-11 20:55:33,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:55:33,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 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 86 [2024-10-11 20:55:33,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:33,182 INFO L225 Difference]: With dead ends: 682 [2024-10-11 20:55:33,182 INFO L226 Difference]: Without dead ends: 681 [2024-10-11 20:55:33,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:55:33,183 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 65 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:33,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 315 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:55:33,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-10-11 20:55:33,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 671. [2024-10-11 20:55:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 579 states have (on average 1.2953367875647668) internal successors, (750), 596 states have internal predecessors, (750), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 20:55:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 876 transitions. [2024-10-11 20:55:33,254 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 876 transitions. Word has length 86 [2024-10-11 20:55:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:33,255 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 876 transitions. [2024-10-11 20:55:33,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:55:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 876 transitions. [2024-10-11 20:55:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 20:55:33,256 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:33,256 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:33,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:33,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:33,457 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:33,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:33,457 INFO L85 PathProgramCache]: Analyzing trace with hash -254523157, now seen corresponding path program 1 times [2024-10-11 20:55:33,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:33,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459739572] [2024-10-11 20:55:33,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:33,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:33,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1231165572] [2024-10-11 20:55:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:33,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:33,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:33,484 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:33,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:55:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:33,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:55:33,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:55:33,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:34,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:34,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459739572] [2024-10-11 20:55:34,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:34,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231165572] [2024-10-11 20:55:34,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231165572] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:34,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:34,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:55:34,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665903664] [2024-10-11 20:55:34,320 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:34,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:55:34,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:34,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:55:34,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:55:34,321 INFO L87 Difference]: Start difference. First operand 671 states and 876 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:55:34,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:34,790 INFO L93 Difference]: Finished difference Result 727 states and 954 transitions. [2024-10-11 20:55:34,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:55:34,790 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 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 87 [2024-10-11 20:55:34,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:34,794 INFO L225 Difference]: With dead ends: 727 [2024-10-11 20:55:34,794 INFO L226 Difference]: Without dead ends: 726 [2024-10-11 20:55:34,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:55:34,795 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 53 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:34,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 305 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:55:34,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-10-11 20:55:34,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 711. [2024-10-11 20:55:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 615 states have (on average 1.2943089430894308) internal successors, (796), 632 states have internal predecessors, (796), 67 states have call successors, (67), 11 states have call predecessors, (67), 11 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-11 20:55:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 930 transitions. [2024-10-11 20:55:34,856 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 930 transitions. Word has length 87 [2024-10-11 20:55:34,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:34,856 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 930 transitions. [2024-10-11 20:55:34,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:55:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 930 transitions. [2024-10-11 20:55:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 20:55:34,857 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:34,857 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:34,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:55:35,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 20:55:35,059 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:35,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:35,060 INFO L85 PathProgramCache]: Analyzing trace with hash 699716820, now seen corresponding path program 1 times [2024-10-11 20:55:35,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:35,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996042106] [2024-10-11 20:55:35,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:35,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-11 20:55:35,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:35,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996042106] [2024-10-11 20:55:35,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996042106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:35,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:35,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:55:35,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785957020] [2024-10-11 20:55:35,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:35,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:35,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:35,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:35,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:35,150 INFO L87 Difference]: Start difference. First operand 711 states and 930 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-10-11 20:55:35,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:35,939 INFO L93 Difference]: Finished difference Result 716 states and 937 transitions. [2024-10-11 20:55:35,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:35,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 88 [2024-10-11 20:55:35,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:35,943 INFO L225 Difference]: With dead ends: 716 [2024-10-11 20:55:35,943 INFO L226 Difference]: Without dead ends: 715 [2024-10-11 20:55:35,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:55:35,944 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 87 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:35,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 105 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:55:35,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-10-11 20:55:35,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 710. [2024-10-11 20:55:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 615 states have (on average 1.28130081300813) internal successors, (788), 631 states have internal predecessors, (788), 67 states have call successors, (67), 11 states have call predecessors, (67), 11 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-11 20:55:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 922 transitions. [2024-10-11 20:55:36,001 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 922 transitions. Word has length 88 [2024-10-11 20:55:36,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:36,001 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 922 transitions. [2024-10-11 20:55:36,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-10-11 20:55:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 922 transitions. [2024-10-11 20:55:36,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 20:55:36,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:36,002 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:36,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 20:55:36,003 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:36,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:36,003 INFO L85 PathProgramCache]: Analyzing trace with hash 216385037, now seen corresponding path program 1 times [2024-10-11 20:55:36,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:36,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674515383] [2024-10-11 20:55:36,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:36,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:36,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [503874711] [2024-10-11 20:55:36,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:36,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:36,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:36,036 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:36,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:55:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 20:55:36,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:55:36,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:55:39,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:39,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674515383] [2024-10-11 20:55:39,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:39,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503874711] [2024-10-11 20:55:39,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503874711] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:39,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:55:39,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-10-11 20:55:39,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426054424] [2024-10-11 20:55:39,187 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:39,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 20:55:39,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:39,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 20:55:39,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:55:39,188 INFO L87 Difference]: Start difference. First operand 710 states and 922 transitions. Second operand has 20 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 20 states have internal predecessors, (99), 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) [2024-10-11 20:55:43,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:43,067 INFO L93 Difference]: Finished difference Result 876 states and 1146 transitions. [2024-10-11 20:55:43,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 20:55:43,068 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 20 states have internal predecessors, (99), 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 89 [2024-10-11 20:55:43,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:43,071 INFO L225 Difference]: With dead ends: 876 [2024-10-11 20:55:43,071 INFO L226 Difference]: Without dead ends: 697 [2024-10-11 20:55:43,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 20:55:43,072 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 300 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:43,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 380 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 20:55:43,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-10-11 20:55:43,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 636. [2024-10-11 20:55:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 549 states have (on average 1.296903460837887) internal successors, (712), 565 states have internal predecessors, (712), 59 states have call successors, (59), 11 states have call predecessors, (59), 11 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-11 20:55:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 830 transitions. [2024-10-11 20:55:43,145 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 830 transitions. Word has length 89 [2024-10-11 20:55:43,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:43,145 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 830 transitions. [2024-10-11 20:55:43,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 20 states have internal predecessors, (99), 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) [2024-10-11 20:55:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 830 transitions. [2024-10-11 20:55:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 20:55:43,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:43,147 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-11 20:55:43,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:43,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:43,351 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:43,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:43,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1277550524, now seen corresponding path program 3 times [2024-10-11 20:55:43,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:43,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709396699] [2024-10-11 20:55:43,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:43,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:43,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328170729] [2024-10-11 20:55:43,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:55:43,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:43,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:43,369 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:43,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:55:43,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:55:43,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:55:43,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:55:43,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-10-11 20:55:43,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-10-11 20:55:43,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:43,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709396699] [2024-10-11 20:55:43,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:43,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328170729] [2024-10-11 20:55:43,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328170729] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:43,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:55:43,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-11 20:55:43,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950678095] [2024-10-11 20:55:43,838 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:43,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:55:43,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:43,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:55:43,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:55:43,839 INFO L87 Difference]: Start difference. First operand 636 states and 830 transitions. Second operand has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:55:45,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:45,551 INFO L93 Difference]: Finished difference Result 664 states and 856 transitions. [2024-10-11 20:55:45,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:55:45,551 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2024-10-11 20:55:45,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:45,554 INFO L225 Difference]: With dead ends: 664 [2024-10-11 20:55:45,554 INFO L226 Difference]: Without dead ends: 660 [2024-10-11 20:55:45,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:55:45,555 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 231 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:45,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 248 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 20:55:45,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-10-11 20:55:45,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 420. [2024-10-11 20:55:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 355 states have (on average 1.1943661971830986) internal successors, (424), 367 states have internal predecessors, (424), 41 states have call successors, (41), 11 states have call predecessors, (41), 11 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 20:55:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 506 transitions. [2024-10-11 20:55:45,637 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 506 transitions. Word has length 97 [2024-10-11 20:55:45,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:45,638 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 506 transitions. [2024-10-11 20:55:45,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:55:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 506 transitions. [2024-10-11 20:55:45,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 20:55:45,639 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:45,639 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, 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] [2024-10-11 20:55:45,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:45,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:45,840 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:45,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:45,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1324678156, now seen corresponding path program 1 times [2024-10-11 20:55:45,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:45,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772303468] [2024-10-11 20:55:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:45,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:45,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1776139550] [2024-10-11 20:55:45,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:45,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:45,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:45,864 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:45,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:55:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:45,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:55:45,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:55:46,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:46,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:46,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772303468] [2024-10-11 20:55:46,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:46,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776139550] [2024-10-11 20:55:46,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776139550] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:46,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:46,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:55:46,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548248334] [2024-10-11 20:55:46,650 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:46,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:55:46,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:46,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:55:46,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:55:46,651 INFO L87 Difference]: Start difference. First operand 420 states and 506 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:55:46,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:46,980 INFO L93 Difference]: Finished difference Result 425 states and 513 transitions. [2024-10-11 20:55:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:55:46,980 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 103 [2024-10-11 20:55:46,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:46,982 INFO L225 Difference]: With dead ends: 425 [2024-10-11 20:55:46,982 INFO L226 Difference]: Without dead ends: 424 [2024-10-11 20:55:46,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:55:46,983 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 29 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:46,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 260 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:46,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-10-11 20:55:47,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 421. [2024-10-11 20:55:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 356 states have (on average 1.1938202247191012) internal successors, (425), 368 states have internal predecessors, (425), 41 states have call successors, (41), 11 states have call predecessors, (41), 11 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 20:55:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 507 transitions. [2024-10-11 20:55:47,034 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 507 transitions. Word has length 103 [2024-10-11 20:55:47,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:47,034 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 507 transitions. [2024-10-11 20:55:47,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:55:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 507 transitions. [2024-10-11 20:55:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 20:55:47,035 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:47,036 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, 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] [2024-10-11 20:55:47,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-11 20:55:47,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-11 20:55:47,240 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:47,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:47,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1884649987, now seen corresponding path program 1 times [2024-10-11 20:55:47,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:47,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749590212] [2024-10-11 20:55:47,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:47,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:47,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053701067] [2024-10-11 20:55:47,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:47,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:47,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:47,269 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:47,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:55:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:47,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:55:47,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:55:47,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:48,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:48,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749590212] [2024-10-11 20:55:48,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:48,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053701067] [2024-10-11 20:55:48,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053701067] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:48,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:48,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:55:48,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455019587] [2024-10-11 20:55:48,943 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:48,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:55:48,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:48,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:55:48,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:55:48,945 INFO L87 Difference]: Start difference. First operand 421 states and 507 transitions. Second operand has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:55:49,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:49,343 INFO L93 Difference]: Finished difference Result 542 states and 669 transitions. [2024-10-11 20:55:49,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:55:49,346 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-10-11 20:55:49,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:49,348 INFO L225 Difference]: With dead ends: 542 [2024-10-11 20:55:49,348 INFO L226 Difference]: Without dead ends: 412 [2024-10-11 20:55:49,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:55:49,353 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 52 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:49,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 320 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:55:49,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-11 20:55:49,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 390. [2024-10-11 20:55:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 330 states have (on average 1.1939393939393939) internal successors, (394), 341 states have internal predecessors, (394), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-11 20:55:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 470 transitions. [2024-10-11 20:55:49,402 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 470 transitions. Word has length 104 [2024-10-11 20:55:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:49,402 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 470 transitions. [2024-10-11 20:55:49,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:55:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 470 transitions. [2024-10-11 20:55:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 20:55:49,403 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:49,404 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, 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] [2024-10-11 20:55:49,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:49,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:49,604 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:49,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:49,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1705392686, now seen corresponding path program 1 times [2024-10-11 20:55:49,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:49,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667307005] [2024-10-11 20:55:49,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:49,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:55:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:55:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-11 20:55:49,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:49,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667307005] [2024-10-11 20:55:49,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667307005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:49,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:49,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:55:49,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498194551] [2024-10-11 20:55:49,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:49,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:49,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:49,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:49,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:49,707 INFO L87 Difference]: Start difference. First operand 390 states and 470 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-10-11 20:55:50,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:50,117 INFO L93 Difference]: Finished difference Result 390 states and 470 transitions. [2024-10-11 20:55:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:55:50,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 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 105 [2024-10-11 20:55:50,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:50,119 INFO L225 Difference]: With dead ends: 390 [2024-10-11 20:55:50,119 INFO L226 Difference]: Without dead ends: 389 [2024-10-11 20:55:50,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:55:50,120 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 53 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:50,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 128 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:55:50,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-11 20:55:50,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-10-11 20:55:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 330 states have (on average 1.190909090909091) internal successors, (393), 340 states have internal predecessors, (393), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-11 20:55:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 469 transitions. [2024-10-11 20:55:50,157 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 469 transitions. Word has length 105 [2024-10-11 20:55:50,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:50,157 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 469 transitions. [2024-10-11 20:55:50,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-10-11 20:55:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 469 transitions. [2024-10-11 20:55:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 20:55:50,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:50,159 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2024-10-11 20:55:50,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-11 20:55:50,159 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:50,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:50,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1786416562, now seen corresponding path program 1 times [2024-10-11 20:55:50,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:50,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566341619] [2024-10-11 20:55:50,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:50,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:55:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:55:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:55:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 20:55:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 20:55:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:55:50,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:50,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566341619] [2024-10-11 20:55:50,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566341619] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:50,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162554450] [2024-10-11 20:55:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:50,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:50,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:50,279 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:50,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:55:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:50,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:55:50,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:55:50,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:50,524 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:55:50,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162554450] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:50,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:50,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 20:55:50,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097936679] [2024-10-11 20:55:50,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:50,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:55:50,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:55:50,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:55:50,526 INFO L87 Difference]: Start difference. First operand 389 states and 469 transitions. Second operand has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 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) [2024-10-11 20:55:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:50,803 INFO L93 Difference]: Finished difference Result 965 states and 1194 transitions. [2024-10-11 20:55:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:55:50,803 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 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 107 [2024-10-11 20:55:50,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:50,807 INFO L225 Difference]: With dead ends: 965 [2024-10-11 20:55:50,807 INFO L226 Difference]: Without dead ends: 964 [2024-10-11 20:55:50,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:55:50,808 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 480 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:50,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 416 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:50,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-10-11 20:55:50,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 427. [2024-10-11 20:55:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 359 states have (on average 1.1838440111420614) internal successors, (425), 369 states have internal predecessors, (425), 47 states have call successors, (47), 10 states have call predecessors, (47), 10 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-11 20:55:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 519 transitions. [2024-10-11 20:55:50,865 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 519 transitions. Word has length 107 [2024-10-11 20:55:50,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:50,865 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 519 transitions. [2024-10-11 20:55:50,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 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) [2024-10-11 20:55:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 519 transitions. [2024-10-11 20:55:50,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 20:55:50,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:50,867 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, 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] [2024-10-11 20:55:50,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:51,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:51,067 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:51,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:51,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1327565855, now seen corresponding path program 1 times [2024-10-11 20:55:51,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:51,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025546273] [2024-10-11 20:55:51,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:51,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:51,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [475711905] [2024-10-11 20:55:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:51,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:51,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:51,093 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:51,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:55:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:51,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:55:51,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:51,663 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:55:51,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:55:53,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:53,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025546273] [2024-10-11 20:55:53,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:53,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475711905] [2024-10-11 20:55:53,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475711905] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:53,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:55:53,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-10-11 20:55:53,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71060196] [2024-10-11 20:55:53,648 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:53,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:55:53,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:53,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:55:53,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:55:53,649 INFO L87 Difference]: Start difference. First operand 427 states and 519 transitions. Second operand has 17 states, 16 states have (on average 7.0625) internal successors, (113), 17 states have internal predecessors, (113), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-10-11 20:55:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:56,652 INFO L93 Difference]: Finished difference Result 475 states and 577 transitions. [2024-10-11 20:55:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:55:56,652 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.0625) internal successors, (113), 17 states have internal predecessors, (113), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 106 [2024-10-11 20:55:56,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:56,654 INFO L225 Difference]: With dead ends: 475 [2024-10-11 20:55:56,654 INFO L226 Difference]: Without dead ends: 467 [2024-10-11 20:55:56,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2024-10-11 20:55:56,655 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 167 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:56,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 345 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 20:55:56,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-10-11 20:55:56,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 462. [2024-10-11 20:55:56,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 390 states have (on average 1.1794871794871795) internal successors, (460), 400 states have internal predecessors, (460), 51 states have call successors, (51), 10 states have call predecessors, (51), 10 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:55:56,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 562 transitions. [2024-10-11 20:55:56,707 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 562 transitions. Word has length 106 [2024-10-11 20:55:56,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:56,708 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 562 transitions. [2024-10-11 20:55:56,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.0625) internal successors, (113), 17 states have internal predecessors, (113), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-10-11 20:55:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 562 transitions. [2024-10-11 20:55:56,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 20:55:56,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:56,709 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, 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] [2024-10-11 20:55:56,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-11 20:55:56,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-11 20:55:56,910 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:56,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:56,911 INFO L85 PathProgramCache]: Analyzing trace with hash -806020776, now seen corresponding path program 1 times [2024-10-11 20:55:56,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:56,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151054249] [2024-10-11 20:55:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:55:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:55:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-11 20:55:57,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:57,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151054249] [2024-10-11 20:55:57,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151054249] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:57,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719467366] [2024-10-11 20:55:57,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:57,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:57,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:57,149 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:57,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:55:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:55:57,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:55:57,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:55:57,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719467366] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:57,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:57,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-10-11 20:55:57,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332052390] [2024-10-11 20:55:57,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:57,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:55:57,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:57,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:55:57,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:55:57,418 INFO L87 Difference]: Start difference. First operand 462 states and 562 transitions. Second operand has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-10-11 20:55:57,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:57,928 INFO L93 Difference]: Finished difference Result 692 states and 857 transitions. [2024-10-11 20:55:57,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:55:57,929 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 109 [2024-10-11 20:55:57,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:57,931 INFO L225 Difference]: With dead ends: 692 [2024-10-11 20:55:57,931 INFO L226 Difference]: Without dead ends: 520 [2024-10-11 20:55:57,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:55:57,932 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 226 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:57,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 533 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:55:57,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-10-11 20:55:57,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 400. [2024-10-11 20:55:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 333 states have (on average 1.1921921921921923) internal successors, (397), 343 states have internal predecessors, (397), 47 states have call successors, (47), 9 states have call predecessors, (47), 9 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-11 20:55:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 491 transitions. [2024-10-11 20:55:57,989 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 491 transitions. Word has length 109 [2024-10-11 20:55:57,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:57,990 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 491 transitions. [2024-10-11 20:55:57,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-10-11 20:55:57,990 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 491 transitions. [2024-10-11 20:55:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 20:55:57,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:57,991 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 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, 1, 1] [2024-10-11 20:55:58,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-11 20:55:58,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:55:58,191 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:58,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:58,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2144174067, now seen corresponding path program 2 times [2024-10-11 20:55:58,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:58,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754057867] [2024-10-11 20:55:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:58,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:58,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431766967] [2024-10-11 20:55:58,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:55:58,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:58,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:58,214 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:58,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:55:58,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:55:58,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:55:58,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:55:58,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 20:55:58,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:58,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:58,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754057867] [2024-10-11 20:55:58,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:58,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431766967] [2024-10-11 20:55:58,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431766967] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:58,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:58,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:55:58,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18169703] [2024-10-11 20:55:58,903 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:58,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:55:58,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:58,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:55:58,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:55:58,905 INFO L87 Difference]: Start difference. First operand 400 states and 491 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-11 20:55:59,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:59,090 INFO L93 Difference]: Finished difference Result 425 states and 526 transitions. [2024-10-11 20:55:59,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:55:59,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2024-10-11 20:55:59,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:59,092 INFO L225 Difference]: With dead ends: 425 [2024-10-11 20:55:59,092 INFO L226 Difference]: Without dead ends: 413 [2024-10-11 20:55:59,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:55:59,093 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 78 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:59,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 195 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:59,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-10-11 20:55:59,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 370. [2024-10-11 20:55:59,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 307 states have (on average 1.1628664495114007) internal successors, (357), 315 states have internal predecessors, (357), 45 states have call successors, (45), 9 states have call predecessors, (45), 9 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:55:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 447 transitions. [2024-10-11 20:55:59,153 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 447 transitions. Word has length 112 [2024-10-11 20:55:59,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:59,153 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 447 transitions. [2024-10-11 20:55:59,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-11 20:55:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 447 transitions. [2024-10-11 20:55:59,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 20:55:59,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:59,154 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:59,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:59,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-11 20:55:59,355 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:55:59,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:59,355 INFO L85 PathProgramCache]: Analyzing trace with hash 2044886730, now seen corresponding path program 2 times [2024-10-11 20:55:59,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:59,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041954597] [2024-10-11 20:55:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:59,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:59,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1251280393] [2024-10-11 20:55:59,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:55:59,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:59,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:59,380 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:55:59,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:55:59,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:55:59,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:55:59,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:55:59,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:59,602 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 20:55:59,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:04,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:04,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041954597] [2024-10-11 20:56:04,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:56:04,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251280393] [2024-10-11 20:56:04,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251280393] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:04,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:56:04,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:56:04,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480014381] [2024-10-11 20:56:04,012 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:04,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:56:04,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:04,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:56:04,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:56:04,023 INFO L87 Difference]: Start difference. First operand 370 states and 447 transitions. Second operand has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-11 20:56:04,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:04,191 INFO L93 Difference]: Finished difference Result 412 states and 501 transitions. [2024-10-11 20:56:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:56:04,191 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 113 [2024-10-11 20:56:04,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:04,193 INFO L225 Difference]: With dead ends: 412 [2024-10-11 20:56:04,193 INFO L226 Difference]: Without dead ends: 411 [2024-10-11 20:56:04,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:56:04,194 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 44 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:04,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 239 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:56:04,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-10-11 20:56:04,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 398. [2024-10-11 20:56:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 331 states have (on average 1.163141993957704) internal successors, (385), 339 states have internal predecessors, (385), 49 states have call successors, (49), 9 states have call predecessors, (49), 9 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 20:56:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 483 transitions. [2024-10-11 20:56:04,243 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 483 transitions. Word has length 113 [2024-10-11 20:56:04,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:04,243 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 483 transitions. [2024-10-11 20:56:04,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-11 20:56:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 483 transitions. [2024-10-11 20:56:04,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-11 20:56:04,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:04,244 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:04,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:04,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:04,445 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:56:04,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:04,445 INFO L85 PathProgramCache]: Analyzing trace with hash 768843283, now seen corresponding path program 1 times [2024-10-11 20:56:04,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:04,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270137247] [2024-10-11 20:56:04,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:04,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:56:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:56:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:56:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:56:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:56:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:56:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:56:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:56:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 20:56:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 20:56:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 20:56:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:56:04,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:04,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270137247] [2024-10-11 20:56:04,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270137247] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:04,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338770962] [2024-10-11 20:56:04,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:04,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:04,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:04,719 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:04,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:56:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:56:04,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 320 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 20:56:05,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:05,284 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:56:05,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338770962] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:05,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:05,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 36 [2024-10-11 20:56:05,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491694246] [2024-10-11 20:56:05,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:05,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-11 20:56:05,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:05,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-11 20:56:05,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 20:56:05,287 INFO L87 Difference]: Start difference. First operand 398 states and 483 transitions. Second operand has 37 states, 36 states have (on average 6.277777777777778) internal successors, (226), 37 states have internal predecessors, (226), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-10-11 20:56:05,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:05,877 INFO L93 Difference]: Finished difference Result 1091 states and 1369 transitions. [2024-10-11 20:56:05,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-11 20:56:05,878 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 6.277777777777778) internal successors, (226), 37 states have internal predecessors, (226), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 136 [2024-10-11 20:56:05,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:05,882 INFO L225 Difference]: With dead ends: 1091 [2024-10-11 20:56:05,882 INFO L226 Difference]: Without dead ends: 1083 [2024-10-11 20:56:05,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=926, Invalid=2980, Unknown=0, NotChecked=0, Total=3906 [2024-10-11 20:56:05,884 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 503 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:05,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 877 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:56:05,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2024-10-11 20:56:05,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1016. [2024-10-11 20:56:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 890 states have (on average 1.2213483146067416) internal successors, (1087), 898 states have internal predecessors, (1087), 101 states have call successors, (101), 16 states have call predecessors, (101), 16 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-10-11 20:56:06,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1289 transitions. [2024-10-11 20:56:06,001 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1289 transitions. Word has length 136 [2024-10-11 20:56:06,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:06,001 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1289 transitions. [2024-10-11 20:56:06,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 6.277777777777778) internal successors, (226), 37 states have internal predecessors, (226), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-10-11 20:56:06,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1289 transitions. [2024-10-11 20:56:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 20:56:06,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:06,003 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:06,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:06,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-11 20:56:06,203 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:56:06,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:06,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1943634983, now seen corresponding path program 1 times [2024-10-11 20:56:06,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:06,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009590706] [2024-10-11 20:56:06,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:06,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:56:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:56:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:56:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:56:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:56:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:56:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:56:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:56:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 20:56:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 20:56:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 20:56:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:56:06,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:06,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009590706] [2024-10-11 20:56:06,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009590706] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:06,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865660843] [2024-10-11 20:56:06,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:06,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:06,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:06,472 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:06,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:56:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:06,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:56:06,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:56:06,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:56:08,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865660843] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:08,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:08,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-10-11 20:56:08,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238599441] [2024-10-11 20:56:08,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:08,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:56:08,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:08,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:56:08,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:56:08,190 INFO L87 Difference]: Start difference. First operand 1016 states and 1289 transitions. Second operand has 22 states, 21 states have (on average 10.238095238095237) internal successors, (215), 22 states have internal predecessors, (215), 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) [2024-10-11 20:56:09,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:09,285 INFO L93 Difference]: Finished difference Result 1724 states and 2213 transitions. [2024-10-11 20:56:09,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:56:09,286 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.238095238095237) internal successors, (215), 22 states have internal predecessors, (215), 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 137 [2024-10-11 20:56:09,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:09,292 INFO L225 Difference]: With dead ends: 1724 [2024-10-11 20:56:09,292 INFO L226 Difference]: Without dead ends: 1723 [2024-10-11 20:56:09,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 20:56:09,293 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 410 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:09,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 838 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:56:09,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2024-10-11 20:56:09,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1496. [2024-10-11 20:56:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1330 states have (on average 1.2218045112781954) internal successors, (1625), 1338 states have internal predecessors, (1625), 141 states have call successors, (141), 16 states have call predecessors, (141), 16 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-10-11 20:56:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1907 transitions. [2024-10-11 20:56:09,486 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1907 transitions. Word has length 137 [2024-10-11 20:56:09,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:09,487 INFO L471 AbstractCegarLoop]: Abstraction has 1496 states and 1907 transitions. [2024-10-11 20:56:09,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.238095238095237) internal successors, (215), 22 states have internal predecessors, (215), 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) [2024-10-11 20:56:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1907 transitions. [2024-10-11 20:56:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-11 20:56:09,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:09,490 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:09,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:09,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:09,691 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:56:09,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:09,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1023693538, now seen corresponding path program 1 times [2024-10-11 20:56:09,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:09,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729277107] [2024-10-11 20:56:09,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:09,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:56:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:56:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:56:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:56:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:56:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:56:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:56:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:56:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 20:56:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 20:56:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 20:56:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 20:56:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:09,961 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 20:56:09,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:09,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729277107] [2024-10-11 20:56:09,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729277107] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:09,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543289899] [2024-10-11 20:56:09,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:09,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:09,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:09,963 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:09,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:56:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:10,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:56:10,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-11 20:56:10,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 20:56:10,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543289899] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:10,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:10,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 27 [2024-10-11 20:56:10,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072517198] [2024-10-11 20:56:10,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:10,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-11 20:56:10,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:10,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-11 20:56:10,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2024-10-11 20:56:10,461 INFO L87 Difference]: Start difference. First operand 1496 states and 1907 transitions. Second operand has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 9 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2024-10-11 20:56:11,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:11,061 INFO L93 Difference]: Finished difference Result 1935 states and 2414 transitions. [2024-10-11 20:56:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-11 20:56:11,061 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 9 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) Word has length 138 [2024-10-11 20:56:11,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:11,066 INFO L225 Difference]: With dead ends: 1935 [2024-10-11 20:56:11,067 INFO L226 Difference]: Without dead ends: 1729 [2024-10-11 20:56:11,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 289 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=599, Invalid=2053, Unknown=0, NotChecked=0, Total=2652 [2024-10-11 20:56:11,069 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 223 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:11,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 710 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:56:11,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1729 states. [2024-10-11 20:56:11,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1729 to 1710. [2024-10-11 20:56:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1521 states have (on average 1.1998685075608153) internal successors, (1825), 1529 states have internal predecessors, (1825), 155 states have call successors, (155), 25 states have call predecessors, (155), 25 states have return successors, (155), 155 states have call predecessors, (155), 155 states have call successors, (155) [2024-10-11 20:56:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2135 transitions. [2024-10-11 20:56:11,255 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2135 transitions. Word has length 138 [2024-10-11 20:56:11,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:11,256 INFO L471 AbstractCegarLoop]: Abstraction has 1710 states and 2135 transitions. [2024-10-11 20:56:11,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 9 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2024-10-11 20:56:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2135 transitions. [2024-10-11 20:56:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-11 20:56:11,257 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:11,257 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:11,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-11 20:56:11,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:11,462 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:56:11,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:11,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1669729257, now seen corresponding path program 3 times [2024-10-11 20:56:11,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:11,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248253794] [2024-10-11 20:56:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:11,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:56:11,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [830988292] [2024-10-11 20:56:11,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:56:11,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:11,491 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:11,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:56:11,551 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:56:11,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:56:11,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:56:11,554 INFO L278 TraceCheckSpWp]: Computing forward predicates...