./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_unwindbound20.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_unwindbound20.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 a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:55:23,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:55:23,394 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:55:23,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:55:23,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:55:23,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:55:23,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:55:23,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:55:23,418 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:55:23,419 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:55:23,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:55:23,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:55:23,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:55:23,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:55:23,421 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:55:23,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:55:23,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:55:23,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:55:23,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:55:23,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:55:23,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:55:23,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:55:23,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:55:23,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:55:23,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:55:23,424 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:55:23,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:55:23,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:55:23,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:55:23,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:55:23,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:55:23,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:55:23,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:55:23,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:55:23,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:55:23,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:55:23,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:55:23,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:55:23,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:55:23,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:55:23,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:55:23,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:55:23,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:55:23,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:55:23,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 [2024-10-11 20:55:23,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:55:23,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:55:23,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:55:23,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:55:23,657 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:55:23,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2024-10-11 20:55:24,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:55:24,976 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:55:24,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2024-10-11 20:55:24,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3796ea1d8/80c22206f77e45759cb71c83e3df4bcf/FLAG054eba418 [2024-10-11 20:55:25,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3796ea1d8/80c22206f77e45759cb71c83e3df4bcf [2024-10-11 20:55:25,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:55:25,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:55:25,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:55:25,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:55:25,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:55:25,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77082bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25, skipping insertion in model container [2024-10-11 20:55:25,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:55:25,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:55:25,568 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:55:25,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:55:25,601 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:55:25,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25 WrapperNode [2024-10-11 20:55:25,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:55:25,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:55:25,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:55:25,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:55:25,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,648 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-10-11 20:55:25,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:55:25,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:55:25,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:55:25,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:55:25,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,679 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 20:55:25,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:55:25,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:55:25,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:55:25,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:55:25,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (1/1) ... [2024-10-11 20:55:25,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:55:25,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:25,725 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 20:55:25,728 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 20:55:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:55:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:55:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:55:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:55:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:55:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:55:25,816 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:55:25,818 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:55:26,131 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-10-11 20:55:26,131 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:55:26,152 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:55:26,153 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:55:26,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:55:26 BoogieIcfgContainer [2024-10-11 20:55:26,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:55:26,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:55:26,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:55:26,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:55:26,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:55:25" (1/3) ... [2024-10-11 20:55:26,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fbf701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:55:26, skipping insertion in model container [2024-10-11 20:55:26,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:55:25" (2/3) ... [2024-10-11 20:55:26,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fbf701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:55:26, skipping insertion in model container [2024-10-11 20:55:26,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:55:26" (3/3) ... [2024-10-11 20:55:26,162 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound20.c [2024-10-11 20:55:26,174 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:55:26,175 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-10-11 20:55:26,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:55:26,225 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;@3a06764c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:55:26,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-10-11 20:55:26,229 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 20:55:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:55:26,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:26,233 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:55:26,234 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 20:55:26,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:26,239 INFO L85 PathProgramCache]: Analyzing trace with hash 163621270, now seen corresponding path program 1 times [2024-10-11 20:55:26,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:26,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480568140] [2024-10-11 20:55:26,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:26,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:26,360 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 20:55:26,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:26,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480568140] [2024-10-11 20:55:26,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480568140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:26,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:26,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:26,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429698481] [2024-10-11 20:55:26,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:26,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:55:26,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:26,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:55:26,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:55:26,387 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 20:55:26,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:26,413 INFO L93 Difference]: Finished difference Result 156 states and 190 transitions. [2024-10-11 20:55:26,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:55:26,415 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 20:55:26,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:26,421 INFO L225 Difference]: With dead ends: 156 [2024-10-11 20:55:26,421 INFO L226 Difference]: Without dead ends: 75 [2024-10-11 20:55:26,424 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 20:55:26,427 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 20:55:26,428 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 20:55:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-11 20:55:26,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-10-11 20:55:26,461 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 20:55:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2024-10-11 20:55:26,464 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 5 [2024-10-11 20:55:26,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:26,465 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2024-10-11 20:55:26,465 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 20:55:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2024-10-11 20:55:26,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:55:26,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:26,466 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:55:26,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:55:26,466 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 20:55:26,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:26,467 INFO L85 PathProgramCache]: Analyzing trace with hash 163680852, now seen corresponding path program 1 times [2024-10-11 20:55:26,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:26,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298155193] [2024-10-11 20:55:26,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:26,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:26,566 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 20:55:26,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:26,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298155193] [2024-10-11 20:55:26,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298155193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:26,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:26,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:26,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823638238] [2024-10-11 20:55:26,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:26,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:26,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:26,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:26,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:26,570 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 20:55:26,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:26,624 INFO L93 Difference]: Finished difference Result 131 states and 143 transitions. [2024-10-11 20:55:26,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:26,626 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 20:55:26,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:26,627 INFO L225 Difference]: With dead ends: 131 [2024-10-11 20:55:26,627 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 20:55:26,627 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 20:55:26,628 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 20:55:26,629 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 20:55:26,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 20:55:26,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-11 20:55:26,638 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 20:55:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2024-10-11 20:55:26,640 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 5 [2024-10-11 20:55:26,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:26,641 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2024-10-11 20:55:26,641 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 20:55:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2024-10-11 20:55:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 20:55:26,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:26,642 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:55:26,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:55:26,642 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 20:55:26,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:26,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1612836388, now seen corresponding path program 1 times [2024-10-11 20:55:26,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:26,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749167419] [2024-10-11 20:55:26,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:26,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:26,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853976059] [2024-10-11 20:55:26,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:26,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:26,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:26,670 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 20:55:26,671 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 20:55:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:26,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:26,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:26,744 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 20:55:26,745 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:26,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:26,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749167419] [2024-10-11 20:55:26,746 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:26,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853976059] [2024-10-11 20:55:26,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853976059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:26,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:26,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:26,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841432725] [2024-10-11 20:55:26,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:26,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:55:26,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:26,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:26,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:26,752 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 20:55:26,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:26,812 INFO L93 Difference]: Finished difference Result 172 states and 192 transitions. [2024-10-11 20:55:26,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:26,813 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 20:55:26,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:26,814 INFO L225 Difference]: With dead ends: 172 [2024-10-11 20:55:26,816 INFO L226 Difference]: Without dead ends: 118 [2024-10-11 20:55:26,816 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 20:55:26,817 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, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:26,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 139 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:26,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-11 20:55:26,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2024-10-11 20:55:26,829 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 20:55:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 125 transitions. [2024-10-11 20:55:26,830 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 125 transitions. Word has length 18 [2024-10-11 20:55:26,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:26,831 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 125 transitions. [2024-10-11 20:55:26,831 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 20:55:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 125 transitions. [2024-10-11 20:55:26,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:55:26,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:26,832 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 20:55:26,844 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 20:55:27,036 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 20:55:27,037 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 20:55:27,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:27,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1309924490, now seen corresponding path program 1 times [2024-10-11 20:55:27,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:27,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509172184] [2024-10-11 20:55:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:27,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,155 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 20:55:27,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:27,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509172184] [2024-10-11 20:55:27,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509172184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:27,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:27,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:27,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809792140] [2024-10-11 20:55:27,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:27,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:55:27,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:27,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:27,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:27,157 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 20:55:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:27,235 INFO L93 Difference]: Finished difference Result 102 states and 125 transitions. [2024-10-11 20:55:27,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:27,236 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 20:55:27,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:27,237 INFO L225 Difference]: With dead ends: 102 [2024-10-11 20:55:27,237 INFO L226 Difference]: Without dead ends: 100 [2024-10-11 20:55:27,237 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 20:55:27,238 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 20:55:27,238 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 20:55:27,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-11 20:55:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-10-11 20:55:27,246 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 20:55:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2024-10-11 20:55:27,247 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 26 [2024-10-11 20:55:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:27,247 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2024-10-11 20:55:27,248 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 20:55:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2024-10-11 20:55:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:55:27,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:27,249 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 20:55:27,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:55:27,249 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 20:55:27,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:27,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1952954963, now seen corresponding path program 1 times [2024-10-11 20:55:27,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:27,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556258428] [2024-10-11 20:55:27,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:27,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,409 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 20:55:27,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:27,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556258428] [2024-10-11 20:55:27,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556258428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:27,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:27,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:55:27,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465612202] [2024-10-11 20:55:27,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:27,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:55:27,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:27,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:55:27,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:55:27,411 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 20:55:27,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:27,504 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2024-10-11 20:55:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:55:27,505 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 20:55:27,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:27,506 INFO L225 Difference]: With dead ends: 124 [2024-10-11 20:55:27,507 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 20:55:27,508 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 20:55:27,508 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 20:55:27,509 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 20:55:27,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 20:55:27,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 104. [2024-10-11 20:55:27,521 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 20:55:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2024-10-11 20:55:27,522 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 27 [2024-10-11 20:55:27,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:27,523 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2024-10-11 20:55:27,523 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 20:55:27,523 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2024-10-11 20:55:27,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:55:27,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:27,524 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 20:55:27,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:55:27,524 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 20:55:27,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:27,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1952953457, now seen corresponding path program 1 times [2024-10-11 20:55:27,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:27,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554546049] [2024-10-11 20:55:27,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:27,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,606 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 20:55:27,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:27,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554546049] [2024-10-11 20:55:27,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554546049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:27,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:27,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:27,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206597131] [2024-10-11 20:55:27,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:27,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:55:27,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:27,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:27,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:27,608 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 20:55:27,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:27,646 INFO L93 Difference]: Finished difference Result 114 states and 131 transitions. [2024-10-11 20:55:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:27,646 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 20:55:27,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:27,647 INFO L225 Difference]: With dead ends: 114 [2024-10-11 20:55:27,647 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 20:55:27,647 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 20:55:27,648 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 20:55:27,648 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 20:55:27,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 20:55:27,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2024-10-11 20:55:27,660 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 20:55:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 123 transitions. [2024-10-11 20:55:27,660 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 123 transitions. Word has length 27 [2024-10-11 20:55:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:27,661 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 123 transitions. [2024-10-11 20:55:27,661 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 20:55:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2024-10-11 20:55:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 20:55:27,661 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:27,662 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 20:55:27,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 20:55:27,662 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 20:55:27,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:27,663 INFO L85 PathProgramCache]: Analyzing trace with hash -412061625, now seen corresponding path program 1 times [2024-10-11 20:55:27,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:27,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796955440] [2024-10-11 20:55:27,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:27,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,747 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 20:55:27,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:27,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796955440] [2024-10-11 20:55:27,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796955440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:27,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:27,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:55:27,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103003480] [2024-10-11 20:55:27,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:27,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:55:27,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:27,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:55:27,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:55:27,750 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 20:55:27,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:27,802 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2024-10-11 20:55:27,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:55:27,803 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 20:55:27,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:27,804 INFO L225 Difference]: With dead ends: 122 [2024-10-11 20:55:27,804 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 20:55:27,804 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 20:55:27,805 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, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:27,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 297 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:27,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 20:55:27,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 108. [2024-10-11 20:55:27,812 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 20:55:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2024-10-11 20:55:27,812 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 28 [2024-10-11 20:55:27,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:27,813 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2024-10-11 20:55:27,813 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 20:55:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2024-10-11 20:55:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:55:27,813 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:27,813 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 20:55:27,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 20:55:27,814 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 20:55:27,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:27,814 INFO L85 PathProgramCache]: Analyzing trace with hash -854227543, now seen corresponding path program 1 times [2024-10-11 20:55:27,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:27,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854735893] [2024-10-11 20:55:27,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:27,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:27,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27977603] [2024-10-11 20:55:27,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:27,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:27,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:27,829 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 20:55:27,830 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 20:55:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:27,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:27,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:27,899 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 20:55:27,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:27,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:27,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854735893] [2024-10-11 20:55:27,899 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:27,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27977603] [2024-10-11 20:55:27,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27977603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:27,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:27,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:27,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954671549] [2024-10-11 20:55:27,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:27,900 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 20:55:27,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:27,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:27,901 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 20:55:27,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:27,935 INFO L93 Difference]: Finished difference Result 147 states and 173 transitions. [2024-10-11 20:55:27,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:27,936 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 20:55:27,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:27,936 INFO L225 Difference]: With dead ends: 147 [2024-10-11 20:55:27,936 INFO L226 Difference]: Without dead ends: 143 [2024-10-11 20:55:27,937 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 20:55:27,937 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 43 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:27,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 102 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:27,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-11 20:55:27,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 128. [2024-10-11 20:55:27,946 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 20:55:27,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2024-10-11 20:55:27,947 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 30 [2024-10-11 20:55:27,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:27,947 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2024-10-11 20:55:27,947 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 20:55:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2024-10-11 20:55:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-11 20:55:27,948 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:27,948 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 20:55:27,959 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 20:55:28,148 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 20:55:28,149 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 20:55:28,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:28,149 INFO L85 PathProgramCache]: Analyzing trace with hash 679168499, now seen corresponding path program 1 times [2024-10-11 20:55:28,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:28,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611067890] [2024-10-11 20:55:28,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:28,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,232 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 20:55:28,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:28,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611067890] [2024-10-11 20:55:28,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611067890] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:28,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854323908] [2024-10-11 20:55:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:28,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:28,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:28,235 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 20:55:28,236 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 20:55:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:28,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:28,343 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 20:55:28,343 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:28,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854323908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:28,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:28,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:55:28,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827446292] [2024-10-11 20:55:28,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:28,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:28,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:28,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:28,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:55:28,345 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 20:55:28,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:28,385 INFO L93 Difference]: Finished difference Result 137 states and 164 transitions. [2024-10-11 20:55:28,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:28,386 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 20:55:28,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:28,387 INFO L225 Difference]: With dead ends: 137 [2024-10-11 20:55:28,387 INFO L226 Difference]: Without dead ends: 136 [2024-10-11 20:55:28,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:55:28,388 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 20:55:28,388 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 20:55:28,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-11 20:55:28,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 131. [2024-10-11 20:55:28,399 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 20:55:28,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 158 transitions. [2024-10-11 20:55:28,400 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 158 transitions. Word has length 31 [2024-10-11 20:55:28,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:28,400 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 158 transitions. [2024-10-11 20:55:28,400 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 20:55:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 158 transitions. [2024-10-11 20:55:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:55:28,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:28,402 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 20:55:28,437 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 20:55:28,603 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 20:55:28,603 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 20:55:28,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:28,604 INFO L85 PathProgramCache]: Analyzing trace with hash -573912309, now seen corresponding path program 1 times [2024-10-11 20:55:28,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:28,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860021810] [2024-10-11 20:55:28,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:28,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:28,647 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 19 [2024-10-11 20:55:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,654 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 20:55:28,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:28,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860021810] [2024-10-11 20:55:28,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860021810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:28,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:28,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:55:28,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368382058] [2024-10-11 20:55:28,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:28,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:28,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:28,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:28,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:28,656 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 20:55:28,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:28,880 INFO L93 Difference]: Finished difference Result 157 states and 185 transitions. [2024-10-11 20:55:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:28,881 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 20:55:28,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:28,881 INFO L225 Difference]: With dead ends: 157 [2024-10-11 20:55:28,881 INFO L226 Difference]: Without dead ends: 156 [2024-10-11 20:55:28,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 20:55:28,882 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 107 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:28,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 113 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-11 20:55:28,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 138. [2024-10-11 20:55:28,897 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 20:55:28,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 168 transitions. [2024-10-11 20:55:28,899 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 168 transitions. Word has length 32 [2024-10-11 20:55:28,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:28,900 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 168 transitions. [2024-10-11 20:55:28,900 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 20:55:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 168 transitions. [2024-10-11 20:55:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:55:28,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:28,902 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 20:55:28,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:55:28,902 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 20:55:28,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash -420612963, now seen corresponding path program 1 times [2024-10-11 20:55:28,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:28,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696543284] [2024-10-11 20:55:28,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:28,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:28,972 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 20:55:28,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:28,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696543284] [2024-10-11 20:55:28,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696543284] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:28,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110984381] [2024-10-11 20:55:28,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:28,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:28,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:28,974 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 20:55:28,975 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 20:55:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:29,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:29,062 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 20:55:29,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:29,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110984381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:29,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:29,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:55:29,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998387920] [2024-10-11 20:55:29,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:29,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:29,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:29,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:29,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:55:29,064 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 20:55:29,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:29,115 INFO L93 Difference]: Finished difference Result 143 states and 173 transitions. [2024-10-11 20:55:29,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:29,115 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 20:55:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:29,117 INFO L225 Difference]: With dead ends: 143 [2024-10-11 20:55:29,117 INFO L226 Difference]: Without dead ends: 142 [2024-10-11 20:55:29,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:55:29,118 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 20:55:29,118 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 20:55:29,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-11 20:55:29,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 137. [2024-10-11 20:55:29,128 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 20:55:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 167 transitions. [2024-10-11 20:55:29,129 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 167 transitions. Word has length 32 [2024-10-11 20:55:29,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:29,130 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 167 transitions. [2024-10-11 20:55:29,130 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 20:55:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 167 transitions. [2024-10-11 20:55:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:55:29,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:29,132 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 20:55:29,144 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 20:55:29,332 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 20:55:29,332 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 20:55:29,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:29,333 INFO L85 PathProgramCache]: Analyzing trace with hash -611412298, now seen corresponding path program 1 times [2024-10-11 20:55:29,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:29,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979421739] [2024-10-11 20:55:29,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:29,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:29,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [396484602] [2024-10-11 20:55:29,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:29,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:29,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:29,343 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 20:55:29,344 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 20:55:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:55:29,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:29,468 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 20:55:29,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:29,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:29,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979421739] [2024-10-11 20:55:29,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:29,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396484602] [2024-10-11 20:55:29,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396484602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:29,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:29,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:55:29,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398463871] [2024-10-11 20:55:29,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:29,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:29,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:29,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:29,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:29,471 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 20:55:29,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:29,578 INFO L93 Difference]: Finished difference Result 143 states and 172 transitions. [2024-10-11 20:55:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:29,578 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 20:55:29,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:29,579 INFO L225 Difference]: With dead ends: 143 [2024-10-11 20:55:29,579 INFO L226 Difference]: Without dead ends: 140 [2024-10-11 20:55:29,579 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 20:55:29,580 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:29,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:29,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-11 20:55:29,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-11 20:55:29,590 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 20:55:29,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions. [2024-10-11 20:55:29,592 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 33 [2024-10-11 20:55:29,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:29,592 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions. [2024-10-11 20:55:29,592 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 20:55:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2024-10-11 20:55:29,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 20:55:29,594 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:29,594 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 20:55:29,608 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 20:55:29,794 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 20:55:29,795 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 20:55:29,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:29,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2061126728, now seen corresponding path program 1 times [2024-10-11 20:55:29,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:29,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026476232] [2024-10-11 20:55:29,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:29,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,860 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 20:55:29,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:29,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026476232] [2024-10-11 20:55:29,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026476232] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:29,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905304734] [2024-10-11 20:55:29,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:29,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:29,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:29,862 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 20:55:29,864 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 20:55:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:29,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:55:29,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:29,949 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 20:55:29,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:30,016 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 20:55:30,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905304734] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:30,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:30,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-11 20:55:30,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165236808] [2024-10-11 20:55:30,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:30,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:55:30,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:30,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:55:30,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:55:30,019 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 20:55:30,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:30,131 INFO L93 Difference]: Finished difference Result 276 states and 335 transitions. [2024-10-11 20:55:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:55:30,131 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 20:55:30,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:30,132 INFO L225 Difference]: With dead ends: 276 [2024-10-11 20:55:30,133 INFO L226 Difference]: Without dead ends: 200 [2024-10-11 20:55:30,133 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 20:55:30,134 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 65 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 20:55:30,135 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 20:55:30,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-10-11 20:55:30,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 180. [2024-10-11 20:55:30,146 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 20:55:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 225 transitions. [2024-10-11 20:55:30,147 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 225 transitions. Word has length 35 [2024-10-11 20:55:30,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:30,147 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 225 transitions. [2024-10-11 20:55:30,148 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 20:55:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 225 transitions. [2024-10-11 20:55:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:55:30,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:30,148 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 20:55:30,160 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 20:55:30,352 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 20:55:30,353 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 20:55:30,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:30,353 INFO L85 PathProgramCache]: Analyzing trace with hash -911870819, now seen corresponding path program 1 times [2024-10-11 20:55:30,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:30,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68404919] [2024-10-11 20:55:30,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:30,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:30,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246342380] [2024-10-11 20:55:30,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:30,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:30,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:30,364 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 20:55:30,365 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 20:55:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:30,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:30,435 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 20:55:30,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:30,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:30,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68404919] [2024-10-11 20:55:30,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:30,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246342380] [2024-10-11 20:55:30,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246342380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:30,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:30,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:55:30,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591125067] [2024-10-11 20:55:30,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:30,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:30,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:30,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:30,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:30,437 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 20:55:30,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:30,498 INFO L93 Difference]: Finished difference Result 218 states and 266 transitions. [2024-10-11 20:55:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:30,498 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 20:55:30,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:30,499 INFO L225 Difference]: With dead ends: 218 [2024-10-11 20:55:30,499 INFO L226 Difference]: Without dead ends: 208 [2024-10-11 20:55:30,500 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 20:55:30,500 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 66 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:30,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 159 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:30,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-11 20:55:30,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2024-10-11 20:55:30,511 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 20:55:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 235 transitions. [2024-10-11 20:55:30,511 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 235 transitions. Word has length 44 [2024-10-11 20:55:30,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:30,512 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 235 transitions. [2024-10-11 20:55:30,512 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 20:55:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 235 transitions. [2024-10-11 20:55:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:55:30,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:30,512 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 20:55:30,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:55:30,713 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 20:55:30,713 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 20:55:30,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:30,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1796775742, now seen corresponding path program 1 times [2024-10-11 20:55:30,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:30,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760758628] [2024-10-11 20:55:30,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:30,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:30,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233205034] [2024-10-11 20:55:30,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:30,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:30,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:30,723 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 20:55:30,724 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 20:55:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:30,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:30,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:30,783 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 20:55:30,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:30,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:30,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760758628] [2024-10-11 20:55:30,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:30,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233205034] [2024-10-11 20:55:30,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233205034] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:30,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:30,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-11 20:55:30,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154775606] [2024-10-11 20:55:30,834 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:30,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:30,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:30,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:30,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:30,835 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 20:55:30,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:30,902 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2024-10-11 20:55:30,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:30,902 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 20:55:30,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:30,904 INFO L225 Difference]: With dead ends: 287 [2024-10-11 20:55:30,904 INFO L226 Difference]: Without dead ends: 283 [2024-10-11 20:55:30,904 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 20:55:30,904 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 69 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:30,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 183 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:55:30,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-11 20:55:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 249. [2024-10-11 20:55:30,923 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 20:55:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 329 transitions. [2024-10-11 20:55:30,924 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 329 transitions. Word has length 45 [2024-10-11 20:55:30,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:30,925 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 329 transitions. [2024-10-11 20:55:30,925 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 20:55:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 329 transitions. [2024-10-11 20:55:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 20:55:30,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:30,926 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 20:55:30,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:31,126 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 20:55:31,127 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 20:55:31,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:31,128 INFO L85 PathProgramCache]: Analyzing trace with hash 684890327, now seen corresponding path program 1 times [2024-10-11 20:55:31,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:31,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335215496] [2024-10-11 20:55:31,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:31,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 20:55:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,244 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 20:55:31,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:31,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335215496] [2024-10-11 20:55:31,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335215496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:31,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:31,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:55:31,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711136880] [2024-10-11 20:55:31,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:31,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:31,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:31,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:31,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:55:31,247 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 20:55:31,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:31,620 INFO L93 Difference]: Finished difference Result 261 states and 340 transitions. [2024-10-11 20:55:31,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:31,620 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 20:55:31,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:31,622 INFO L225 Difference]: With dead ends: 261 [2024-10-11 20:55:31,622 INFO L226 Difference]: Without dead ends: 240 [2024-10-11 20:55:31,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 20:55:31,622 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:31,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 132 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:55:31,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-11 20:55:31,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 230. [2024-10-11 20:55:31,634 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 20:55:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 308 transitions. [2024-10-11 20:55:31,636 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 308 transitions. Word has length 49 [2024-10-11 20:55:31,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:31,636 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 308 transitions. [2024-10-11 20:55:31,636 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 20:55:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 308 transitions. [2024-10-11 20:55:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:55:31,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:31,636 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 20:55:31,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 20:55:31,637 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 20:55:31,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:31,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1928129548, now seen corresponding path program 1 times [2024-10-11 20:55:31,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:31,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406608347] [2024-10-11 20:55:31,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:31,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,723 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 20:55:31,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:31,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406608347] [2024-10-11 20:55:31,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406608347] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:31,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214452144] [2024-10-11 20:55:31,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:31,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:31,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:31,726 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 20:55:31,727 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 20:55:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:31,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:55:31,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:31,858 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 20:55:31,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:31,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214452144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:31,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:31,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-10-11 20:55:31,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515942476] [2024-10-11 20:55:31,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:31,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:55:31,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:31,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:55:31,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:55:31,860 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 20:55:31,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:31,909 INFO L93 Difference]: Finished difference Result 230 states and 308 transitions. [2024-10-11 20:55:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:31,910 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 20:55:31,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:31,911 INFO L225 Difference]: With dead ends: 230 [2024-10-11 20:55:31,911 INFO L226 Difference]: Without dead ends: 229 [2024-10-11 20:55:31,911 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 20:55:31,911 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 20:55:31,912 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 20:55:31,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-11 20:55:31,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-10-11 20:55:31,924 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 20:55:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 300 transitions. [2024-10-11 20:55:31,925 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 300 transitions. Word has length 53 [2024-10-11 20:55:31,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:31,925 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 300 transitions. [2024-10-11 20:55:31,925 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 20:55:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions. [2024-10-11 20:55:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:55:31,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:31,926 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 20:55:31,938 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 20:55:32,126 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 20:55:32,127 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 20:55:32,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1928131054, now seen corresponding path program 1 times [2024-10-11 20:55:32,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:32,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129706460] [2024-10-11 20:55:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:32,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,177 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 20:55:32,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:32,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129706460] [2024-10-11 20:55:32,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129706460] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:32,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868996115] [2024-10-11 20:55:32,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:32,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:32,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:32,179 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 20:55:32,180 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 20:55:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:55:32,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:32,242 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 20:55:32,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:32,289 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 20:55:32,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868996115] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:32,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:32,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-11 20:55:32,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080721403] [2024-10-11 20:55:32,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:32,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:55:32,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:32,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:55:32,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:55:32,291 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 20:55:32,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:32,401 INFO L93 Difference]: Finished difference Result 362 states and 464 transitions. [2024-10-11 20:55:32,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:55:32,401 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 20:55:32,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:32,402 INFO L225 Difference]: With dead ends: 362 [2024-10-11 20:55:32,402 INFO L226 Difference]: Without dead ends: 360 [2024-10-11 20:55:32,403 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 20:55:32,403 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 20:55:32,403 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 20:55:32,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-11 20:55:32,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 297. [2024-10-11 20:55:32,419 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 20:55:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 404 transitions. [2024-10-11 20:55:32,420 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 404 transitions. Word has length 53 [2024-10-11 20:55:32,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:32,421 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 404 transitions. [2024-10-11 20:55:32,421 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 20:55:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 404 transitions. [2024-10-11 20:55:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 20:55:32,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:32,421 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 20:55:32,434 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 20:55:32,622 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 20:55:32,622 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 20:55:32,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:32,623 INFO L85 PathProgramCache]: Analyzing trace with hash -357526072, now seen corresponding path program 1 times [2024-10-11 20:55:32,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:32,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739233459] [2024-10-11 20:55:32,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:32,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,700 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 20:55:32,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:32,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739233459] [2024-10-11 20:55:32,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739233459] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:32,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191201483] [2024-10-11 20:55:32,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:32,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:32,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:32,702 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 20:55:32,703 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 20:55:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:32,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:55:32,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:32,813 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 20:55:32,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:32,903 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 20:55:32,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191201483] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:32,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:32,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-10-11 20:55:32,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453865005] [2024-10-11 20:55:32,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:32,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 20:55:32,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:32,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 20:55:32,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:55:32,905 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 20:55:33,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:33,118 INFO L93 Difference]: Finished difference Result 429 states and 562 transitions. [2024-10-11 20:55:33,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:55:33,118 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 20:55:33,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:33,121 INFO L225 Difference]: With dead ends: 429 [2024-10-11 20:55:33,122 INFO L226 Difference]: Without dead ends: 423 [2024-10-11 20:55:33,122 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 20:55:33,122 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 20:55:33,122 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 20:55:33,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-10-11 20:55:33,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393. [2024-10-11 20:55:33,140 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 20:55:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 531 transitions. [2024-10-11 20:55:33,142 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 531 transitions. Word has length 54 [2024-10-11 20:55:33,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:33,142 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 531 transitions. [2024-10-11 20:55:33,142 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 20:55:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 531 transitions. [2024-10-11 20:55:33,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:55:33,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:33,143 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 20:55:33,156 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 20:55:33,344 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 20:55:33,344 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 20:55:33,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:33,344 INFO L85 PathProgramCache]: Analyzing trace with hash -541148715, now seen corresponding path program 1 times [2024-10-11 20:55:33,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:33,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647499508] [2024-10-11 20:55:33,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:33,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:33,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331293862] [2024-10-11 20:55:33,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:33,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:33,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:33,356 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 20:55:33,356 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 20:55:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:33,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:55:33,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:33,516 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 20:55:33,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:33,629 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 20:55:33,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:33,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647499508] [2024-10-11 20:55:33,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:33,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331293862] [2024-10-11 20:55:33,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331293862] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:33,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:55:33,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-11 20:55:33,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786513120] [2024-10-11 20:55:33,630 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:33,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:55:33,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:33,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:55:33,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:55:33,631 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 20:55:34,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:34,168 INFO L93 Difference]: Finished difference Result 440 states and 592 transitions. [2024-10-11 20:55:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:55:34,169 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 20:55:34,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:34,170 INFO L225 Difference]: With dead ends: 440 [2024-10-11 20:55:34,170 INFO L226 Difference]: Without dead ends: 434 [2024-10-11 20:55:34,171 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 20:55:34,171 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:34,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 211 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:55:34,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-11 20:55:34,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 396. [2024-10-11 20:55:34,199 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 20:55:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 523 transitions. [2024-10-11 20:55:34,200 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 523 transitions. Word has length 59 [2024-10-11 20:55:34,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:34,201 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 523 transitions. [2024-10-11 20:55:34,201 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 20:55:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 523 transitions. [2024-10-11 20:55:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 20:55:34,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:34,203 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 20:55:34,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:55:34,403 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 20:55:34,404 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 20:55:34,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:34,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1930038237, now seen corresponding path program 2 times [2024-10-11 20:55:34,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:34,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952659363] [2024-10-11 20:55:34,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:34,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:34,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989459041] [2024-10-11 20:55:34,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:55:34,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:34,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:34,416 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 20:55:34,417 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 20:55:34,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:55:34,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:55:34,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:34,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:34,508 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 20:55:34,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:34,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:34,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952659363] [2024-10-11 20:55:34,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:34,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989459041] [2024-10-11 20:55:34,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989459041] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:34,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:34,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:55:34,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822505826] [2024-10-11 20:55:34,552 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:34,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:34,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:34,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:34,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:55:34,554 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 20:55:34,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:34,658 INFO L93 Difference]: Finished difference Result 544 states and 705 transitions. [2024-10-11 20:55:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:34,658 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 20:55:34,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:34,660 INFO L225 Difference]: With dead ends: 544 [2024-10-11 20:55:34,660 INFO L226 Difference]: Without dead ends: 540 [2024-10-11 20:55:34,660 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 20:55:34,661 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 20:55:34,661 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 20:55:34,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-11 20:55:34,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 435. [2024-10-11 20:55:34,687 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 20:55:34,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 570 transitions. [2024-10-11 20:55:34,688 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 570 transitions. Word has length 71 [2024-10-11 20:55:34,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:34,688 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 570 transitions. [2024-10-11 20:55:34,689 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 20:55:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 570 transitions. [2024-10-11 20:55:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 20:55:34,691 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:34,691 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 20:55:34,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:34,891 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 20:55:34,892 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 20:55:34,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:34,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1411809605, now seen corresponding path program 1 times [2024-10-11 20:55:34,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:34,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249410903] [2024-10-11 20:55:34,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:34,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:34,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:34,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:34,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:34,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:34,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:34,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:34,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:34,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:34,946 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 20:55:34,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:34,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249410903] [2024-10-11 20:55:34,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249410903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:34,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:34,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:55:34,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689536021] [2024-10-11 20:55:34,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:34,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:55:34,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:34,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:55:34,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:55:34,948 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 20:55:35,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:35,003 INFO L93 Difference]: Finished difference Result 435 states and 570 transitions. [2024-10-11 20:55:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:55:35,003 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 20:55:35,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:35,005 INFO L225 Difference]: With dead ends: 435 [2024-10-11 20:55:35,005 INFO L226 Difference]: Without dead ends: 434 [2024-10-11 20:55:35,006 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 20:55:35,006 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 20:55:35,006 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 20:55:35,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-11 20:55:35,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2024-10-11 20:55:35,035 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 20:55:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 563 transitions. [2024-10-11 20:55:35,037 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 563 transitions. Word has length 78 [2024-10-11 20:55:35,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:35,037 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 563 transitions. [2024-10-11 20:55:35,037 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 20:55:35,037 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 563 transitions. [2024-10-11 20:55:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 20:55:35,038 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:35,038 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 20:55:35,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 20:55:35,038 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 20:55:35,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:35,039 INFO L85 PathProgramCache]: Analyzing trace with hash -816424672, now seen corresponding path program 1 times [2024-10-11 20:55:35,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:35,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945163579] [2024-10-11 20:55:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:35,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:35,051 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 7 [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 12 [2024-10-11 20:55:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,162 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 20:55:35,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:35,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945163579] [2024-10-11 20:55:35,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945163579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:35,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:35,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:55:35,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790996439] [2024-10-11 20:55:35,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:35,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:55:35,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:35,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:55:35,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:55:35,163 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 20:55:35,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:35,458 INFO L93 Difference]: Finished difference Result 648 states and 867 transitions. [2024-10-11 20:55:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:55:35,459 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 20:55:35,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:35,461 INFO L225 Difference]: With dead ends: 648 [2024-10-11 20:55:35,461 INFO L226 Difference]: Without dead ends: 647 [2024-10-11 20:55:35,461 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 20:55:35,461 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 20:55:35,462 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 20:55:35,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-10-11 20:55:35,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 586. [2024-10-11 20:55:35,501 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 20:55:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 794 transitions. [2024-10-11 20:55:35,503 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 794 transitions. Word has length 79 [2024-10-11 20:55:35,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:35,503 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 794 transitions. [2024-10-11 20:55:35,503 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 20:55:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 794 transitions. [2024-10-11 20:55:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 20:55:35,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:35,504 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 20:55:35,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 20:55:35,504 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 20:55:35,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:35,504 INFO L85 PathProgramCache]: Analyzing trace with hash 460639069, now seen corresponding path program 1 times [2024-10-11 20:55:35,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:35,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351603790] [2024-10-11 20:55:35,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:35,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,614 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 20:55:35,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:35,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351603790] [2024-10-11 20:55:35,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351603790] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:35,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686841009] [2024-10-11 20:55:35,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:35,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:35,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:35,616 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 20:55:35,616 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 20:55:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:35,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:35,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:35,766 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 20:55:35,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:35,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686841009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:35,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:35,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-11 20:55:35,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644695548] [2024-10-11 20:55:35,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:35,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:35,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:35,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:35,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:55:35,768 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 20:55:36,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:36,007 INFO L93 Difference]: Finished difference Result 614 states and 821 transitions. [2024-10-11 20:55:36,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:36,008 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 20:55:36,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:36,010 INFO L225 Difference]: With dead ends: 614 [2024-10-11 20:55:36,010 INFO L226 Difference]: Without dead ends: 613 [2024-10-11 20:55:36,010 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 20:55:36,010 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 20:55:36,011 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 20:55:36,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-10-11 20:55:36,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 595. [2024-10-11 20:55:36,055 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 20:55:36,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 798 transitions. [2024-10-11 20:55:36,058 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 798 transitions. Word has length 80 [2024-10-11 20:55:36,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:36,058 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 798 transitions. [2024-10-11 20:55:36,058 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 20:55:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 798 transitions. [2024-10-11 20:55:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 20:55:36,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:36,059 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 20:55:36,072 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 20:55:36,259 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 20:55:36,260 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 20:55:36,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1394909378, now seen corresponding path program 1 times [2024-10-11 20:55:36,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:36,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686756100] [2024-10-11 20:55:36,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,372 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 20:55:36,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:36,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686756100] [2024-10-11 20:55:36,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686756100] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:36,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370510415] [2024-10-11 20:55:36,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:36,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:36,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:36,374 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 20:55:36,376 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 20:55:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:36,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:55:36,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:36,510 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 20:55:36,511 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:55:36,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370510415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:36,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:36,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-11 20:55:36,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855452748] [2024-10-11 20:55:36,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:36,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:55:36,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:36,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:55:36,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:55:36,512 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 20:55:36,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:36,667 INFO L93 Difference]: Finished difference Result 609 states and 809 transitions. [2024-10-11 20:55:36,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:55:36,667 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 20:55:36,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:36,670 INFO L225 Difference]: With dead ends: 609 [2024-10-11 20:55:36,670 INFO L226 Difference]: Without dead ends: 607 [2024-10-11 20:55:36,670 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 20:55:36,670 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 42 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:36,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 114 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:36,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-10-11 20:55:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 598. [2024-10-11 20:55:36,707 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 20:55:36,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 791 transitions. [2024-10-11 20:55:36,709 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 791 transitions. Word has length 81 [2024-10-11 20:55:36,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:36,709 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 791 transitions. [2024-10-11 20:55:36,709 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 20:55:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 791 transitions. [2024-10-11 20:55:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 20:55:36,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:36,710 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 20:55:36,722 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 20:55:36,914 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 20:55:36,915 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 20:55:36,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:36,915 INFO L85 PathProgramCache]: Analyzing trace with hash 235053106, now seen corresponding path program 1 times [2024-10-11 20:55:36,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:36,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094061048] [2024-10-11 20:55:36,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:36,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:55:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:55:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,039 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 20:55:37,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:37,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094061048] [2024-10-11 20:55:37,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094061048] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:37,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877581502] [2024-10-11 20:55:37,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:37,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:37,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:37,041 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 20:55:37,042 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 20:55:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:55:37,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:37,156 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 20:55:37,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:37,276 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 20:55:37,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877581502] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:37,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:37,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-10-11 20:55:37,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799987052] [2024-10-11 20:55:37,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:37,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 20:55:37,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:37,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 20:55:37,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:55:37,278 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 20:55:37,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:37,573 INFO L93 Difference]: Finished difference Result 821 states and 1069 transitions. [2024-10-11 20:55:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-11 20:55:37,573 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 20:55:37,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:37,575 INFO L225 Difference]: With dead ends: 821 [2024-10-11 20:55:37,575 INFO L226 Difference]: Without dead ends: 671 [2024-10-11 20:55:37,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=355, Invalid=1127, Unknown=0, NotChecked=0, Total=1482 [2024-10-11 20:55:37,577 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:37,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 751 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:37,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-10-11 20:55:37,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 653. [2024-10-11 20:55:37,625 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 20:55:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 852 transitions. [2024-10-11 20:55:37,627 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 852 transitions. Word has length 85 [2024-10-11 20:55:37,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:37,627 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 852 transitions. [2024-10-11 20:55:37,628 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 20:55:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 852 transitions. [2024-10-11 20:55:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-11 20:55:37,629 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:37,629 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 20:55:37,643 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 20:55:37,833 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 20:55:37,833 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 20:55:37,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:37,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1515810226, now seen corresponding path program 1 times [2024-10-11 20:55:37,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:37,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10893118] [2024-10-11 20:55:37,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:37,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:37,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [815175901] [2024-10-11 20:55:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:37,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:37,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:37,851 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 20:55:37,852 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 20:55:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:37,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:55:37,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:38,190 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 20:55:38,190 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:38,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:38,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10893118] [2024-10-11 20:55:38,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:38,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815175901] [2024-10-11 20:55:38,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815175901] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:38,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:38,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:55:38,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080924903] [2024-10-11 20:55:38,588 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:38,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:55:38,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:38,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:55:38,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:55:38,589 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 20:55:38,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:38,946 INFO L93 Difference]: Finished difference Result 682 states and 891 transitions. [2024-10-11 20:55:38,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:55:38,946 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 20:55:38,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:38,948 INFO L225 Difference]: With dead ends: 682 [2024-10-11 20:55:38,949 INFO L226 Difference]: Without dead ends: 681 [2024-10-11 20:55:38,949 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 20:55:38,949 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 65 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:38,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 315 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:55:38,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-10-11 20:55:38,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 671. [2024-10-11 20:55:38,984 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 20:55:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 876 transitions. [2024-10-11 20:55:38,987 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 876 transitions. Word has length 86 [2024-10-11 20:55:38,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:38,987 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 876 transitions. [2024-10-11 20:55:38,987 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 20:55:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 876 transitions. [2024-10-11 20:55:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 20:55:38,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:38,988 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 20:55:39,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:55:39,191 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 20:55:39,192 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 20:55:39,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:39,192 INFO L85 PathProgramCache]: Analyzing trace with hash -254523157, now seen corresponding path program 1 times [2024-10-11 20:55:39,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:39,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533853305] [2024-10-11 20:55:39,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:39,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:39,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722507684] [2024-10-11 20:55:39,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:39,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:39,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:39,215 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 20:55:39,216 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 20:55:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:39,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:55:39,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:39,554 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 20:55:39,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:39,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:39,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533853305] [2024-10-11 20:55:39,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:39,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722507684] [2024-10-11 20:55:39,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722507684] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:39,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:39,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:55:39,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221341176] [2024-10-11 20:55:39,802 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:39,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:55:39,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:39,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:55:39,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:55:39,803 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 20:55:40,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:40,095 INFO L93 Difference]: Finished difference Result 727 states and 954 transitions. [2024-10-11 20:55:40,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:55:40,095 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 20:55:40,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:40,098 INFO L225 Difference]: With dead ends: 727 [2024-10-11 20:55:40,098 INFO L226 Difference]: Without dead ends: 726 [2024-10-11 20:55:40,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:55:40,098 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 53 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:40,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 305 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:40,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-10-11 20:55:40,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 711. [2024-10-11 20:55:40,134 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 20:55:40,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 930 transitions. [2024-10-11 20:55:40,137 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 930 transitions. Word has length 87 [2024-10-11 20:55:40,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:40,137 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 930 transitions. [2024-10-11 20:55:40,137 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 20:55:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 930 transitions. [2024-10-11 20:55:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 20:55:40,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:40,138 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 20:55:40,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:40,341 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 20:55:40,342 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 20:55:40,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:40,342 INFO L85 PathProgramCache]: Analyzing trace with hash 699716820, now seen corresponding path program 1 times [2024-10-11 20:55:40,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:40,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602043036] [2024-10-11 20:55:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:40,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,408 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 20:55:40,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:40,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602043036] [2024-10-11 20:55:40,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602043036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:40,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:40,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:55:40,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297495763] [2024-10-11 20:55:40,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:40,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:40,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:40,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:40,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:40,409 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 20:55:40,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:40,756 INFO L93 Difference]: Finished difference Result 716 states and 937 transitions. [2024-10-11 20:55:40,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:55:40,757 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 20:55:40,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:40,759 INFO L225 Difference]: With dead ends: 716 [2024-10-11 20:55:40,759 INFO L226 Difference]: Without dead ends: 715 [2024-10-11 20:55:40,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:55:40,760 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 87 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:40,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 105 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:55:40,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-10-11 20:55:40,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 710. [2024-10-11 20:55:40,795 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 20:55:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 922 transitions. [2024-10-11 20:55:40,797 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 922 transitions. Word has length 88 [2024-10-11 20:55:40,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:40,797 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 922 transitions. [2024-10-11 20:55:40,797 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 20:55:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 922 transitions. [2024-10-11 20:55:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 20:55:40,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:40,798 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 20:55:40,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 20:55:40,798 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 20:55:40,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:40,798 INFO L85 PathProgramCache]: Analyzing trace with hash 216385037, now seen corresponding path program 1 times [2024-10-11 20:55:40,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:40,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117398621] [2024-10-11 20:55:40,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:40,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:40,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1505776078] [2024-10-11 20:55:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:40,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:40,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:40,816 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 20:55:40,817 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 20:55:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:40,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 20:55:40,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:41,423 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 20:55:41,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:43,239 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 20:55:43,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:43,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117398621] [2024-10-11 20:55:43,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:43,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505776078] [2024-10-11 20:55:43,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505776078] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:43,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:55:43,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-10-11 20:55:43,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404629645] [2024-10-11 20:55:43,240 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:43,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 20:55:43,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:43,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 20:55:43,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:55:43,241 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 20:55:47,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:47,221 INFO L93 Difference]: Finished difference Result 876 states and 1146 transitions. [2024-10-11 20:55:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 20:55:47,222 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 20:55:47,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:47,224 INFO L225 Difference]: With dead ends: 876 [2024-10-11 20:55:47,224 INFO L226 Difference]: Without dead ends: 697 [2024-10-11 20:55:47,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 20:55:47,225 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 20:55:47,225 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 20:55:47,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-10-11 20:55:47,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 636. [2024-10-11 20:55:47,263 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 20:55:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 830 transitions. [2024-10-11 20:55:47,264 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 830 transitions. Word has length 89 [2024-10-11 20:55:47,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:47,265 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 830 transitions. [2024-10-11 20:55:47,265 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 20:55:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 830 transitions. [2024-10-11 20:55:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 20:55:47,266 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:47,266 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 20:55:47,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 20:55:47,468 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 20:55:47,469 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 20:55:47,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:47,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1277550524, now seen corresponding path program 3 times [2024-10-11 20:55:47,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:47,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855044276] [2024-10-11 20:55:47,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:47,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:47,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950799470] [2024-10-11 20:55:47,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:55:47,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:47,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:47,482 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 20:55:47,483 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 20:55:47,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:55:47,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:55:47,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:55:47,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:51,726 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 20:55:51,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:51,947 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 20:55:51,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:51,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855044276] [2024-10-11 20:55:51,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:51,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950799470] [2024-10-11 20:55:51,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950799470] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:51,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:55:51,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-11 20:55:51,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679385849] [2024-10-11 20:55:51,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:51,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:55:51,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:51,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:55:51,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=82, Unknown=1, NotChecked=0, Total=110 [2024-10-11 20:55:51,948 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 20:55:53,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:53,610 INFO L93 Difference]: Finished difference Result 664 states and 856 transitions. [2024-10-11 20:55:53,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:55:53,611 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 20:55:53,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:53,613 INFO L225 Difference]: With dead ends: 664 [2024-10-11 20:55:53,613 INFO L226 Difference]: Without dead ends: 660 [2024-10-11 20:55:53,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=55, Invalid=154, Unknown=1, NotChecked=0, Total=210 [2024-10-11 20:55:53,614 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, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:53,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 248 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 20:55:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-10-11 20:55:53,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 420. [2024-10-11 20:55:53,653 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 20:55:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 506 transitions. [2024-10-11 20:55:53,654 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 506 transitions. Word has length 97 [2024-10-11 20:55:53,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:53,655 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 506 transitions. [2024-10-11 20:55:53,655 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 20:55:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 506 transitions. [2024-10-11 20:55:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 20:55:53,656 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:53,656 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 20:55:53,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 20:55:53,860 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 20:55:53,861 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 20:55:53,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:53,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1324678156, now seen corresponding path program 1 times [2024-10-11 20:55:53,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:53,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328385504] [2024-10-11 20:55:53,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:53,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:53,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [563438736] [2024-10-11 20:55:53,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:53,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:53,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:53,884 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 20:55:53,885 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 20:55:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:53,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:55:53,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:54,237 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 20:55:54,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:54,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:54,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328385504] [2024-10-11 20:55:54,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:54,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563438736] [2024-10-11 20:55:54,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563438736] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:54,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:54,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:55:54,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570645331] [2024-10-11 20:55:54,550 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:54,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:55:54,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:54,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:55:54,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:55:54,551 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 20:55:54,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:54,822 INFO L93 Difference]: Finished difference Result 425 states and 513 transitions. [2024-10-11 20:55:54,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:55:54,822 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 20:55:54,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:54,824 INFO L225 Difference]: With dead ends: 425 [2024-10-11 20:55:54,824 INFO L226 Difference]: Without dead ends: 424 [2024-10-11 20:55:54,824 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 20:55:54,825 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 20:55:54,825 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 20:55:54,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-10-11 20:55:54,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 421. [2024-10-11 20:55:54,863 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 20:55:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 507 transitions. [2024-10-11 20:55:54,864 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 507 transitions. Word has length 103 [2024-10-11 20:55:54,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:54,864 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 507 transitions. [2024-10-11 20:55:54,864 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 20:55:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 507 transitions. [2024-10-11 20:55:54,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 20:55:54,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:54,865 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 20:55:54,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 20:55:55,065 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 20:55:55,066 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 20:55:55,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:55,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1884649987, now seen corresponding path program 1 times [2024-10-11 20:55:55,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:55,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527365356] [2024-10-11 20:55:55,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:55,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:55,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702693997] [2024-10-11 20:55:55,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:55,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:55,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:55,080 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 20:55:55,081 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 20:55:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:55,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:55:55,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:55,527 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 20:55:55,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:56,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:56,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527365356] [2024-10-11 20:55:56,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:55:56,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702693997] [2024-10-11 20:55:56,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702693997] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:56,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:55:56,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:55:56,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892028507] [2024-10-11 20:55:56,567 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:56,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:55:56,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:56,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:55:56,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:55:56,567 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 20:55:56,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:56,857 INFO L93 Difference]: Finished difference Result 542 states and 669 transitions. [2024-10-11 20:55:56,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:55:56,858 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 20:55:56,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:56,859 INFO L225 Difference]: With dead ends: 542 [2024-10-11 20:55:56,860 INFO L226 Difference]: Without dead ends: 412 [2024-10-11 20:55:56,860 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 20:55:56,860 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 52 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:56,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 320 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:55:56,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-11 20:55:56,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 390. [2024-10-11 20:55:56,891 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 20:55:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 470 transitions. [2024-10-11 20:55:56,892 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 470 transitions. Word has length 104 [2024-10-11 20:55:56,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:56,893 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 470 transitions. [2024-10-11 20:55:56,893 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 20:55:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 470 transitions. [2024-10-11 20:55:56,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 20:55:56,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:56,894 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 20:55:56,906 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 20:55:57,098 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 20:55:57,099 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 20:55:57,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:57,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1705392686, now seen corresponding path program 1 times [2024-10-11 20:55:57,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:57,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228536024] [2024-10-11 20:55:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:57,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:55:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:55:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:55:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,240 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 20:55:57,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:57,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228536024] [2024-10-11 20:55:57,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228536024] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:55:57,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:55:57,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:55:57,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949173593] [2024-10-11 20:55:57,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:55:57,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:55:57,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:57,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:55:57,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:55:57,241 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 20:55:57,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:57,613 INFO L93 Difference]: Finished difference Result 390 states and 470 transitions. [2024-10-11 20:55:57,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:55:57,613 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 20:55:57,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:57,615 INFO L225 Difference]: With dead ends: 390 [2024-10-11 20:55:57,615 INFO L226 Difference]: Without dead ends: 389 [2024-10-11 20:55:57,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:55:57,615 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 53 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 20:55:57,615 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 20:55:57,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-11 20:55:57,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-10-11 20:55:57,645 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 20:55:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 469 transitions. [2024-10-11 20:55:57,646 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 469 transitions. Word has length 105 [2024-10-11 20:55:57,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:57,647 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 469 transitions. [2024-10-11 20:55:57,647 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 20:55:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 469 transitions. [2024-10-11 20:55:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 20:55:57,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:57,648 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 20:55:57,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-11 20:55:57,648 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 20:55:57,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:57,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1786416562, now seen corresponding path program 1 times [2024-10-11 20:55:57,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:57,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820591114] [2024-10-11 20:55:57,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:57,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:55:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:55:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:55:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:55:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:55:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:55:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:55:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:55:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:55:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:55:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 20:55:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 20:55:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,721 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 20:55:57,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:55:57,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820591114] [2024-10-11 20:55:57,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820591114] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:55:57,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028886195] [2024-10-11 20:55:57,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:57,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:57,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:57,723 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 20:55:57,724 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 20:55:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:57,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:55:57,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:57,824 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 20:55:57,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:55:57,920 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 20:55:57,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028886195] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:55:57,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:55:57,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 20:55:57,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730784098] [2024-10-11 20:55:57,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:55:57,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:55:57,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:55:57,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:55:57,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:55:57,921 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 20:55:58,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:55:58,129 INFO L93 Difference]: Finished difference Result 965 states and 1194 transitions. [2024-10-11 20:55:58,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:55:58,129 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 20:55:58,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:55:58,132 INFO L225 Difference]: With dead ends: 965 [2024-10-11 20:55:58,132 INFO L226 Difference]: Without dead ends: 964 [2024-10-11 20:55:58,132 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 20:55:58,133 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:55:58,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 416 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:55:58,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-10-11 20:55:58,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 427. [2024-10-11 20:55:58,180 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 20:55:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 519 transitions. [2024-10-11 20:55:58,181 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 519 transitions. Word has length 107 [2024-10-11 20:55:58,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:55:58,181 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 519 transitions. [2024-10-11 20:55:58,182 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 20:55:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 519 transitions. [2024-10-11 20:55:58,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 20:55:58,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:55:58,183 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 20:55:58,198 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 20:55:58,384 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 20:55:58,384 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 20:55:58,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:55:58,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1327565855, now seen corresponding path program 1 times [2024-10-11 20:55:58,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:55:58,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683388897] [2024-10-11 20:55:58,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:58,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:55:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:55:58,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323670463] [2024-10-11 20:55:58,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:55:58,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:55:58,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:55:58,403 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 20:55:58,404 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 20:55:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:55:58,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:55:58,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:55:58,864 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 20:55:58,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:00,273 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 20:56:00,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:00,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683388897] [2024-10-11 20:56:00,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:56:00,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323670463] [2024-10-11 20:56:00,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323670463] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:00,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:56:00,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-10-11 20:56:00,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856922212] [2024-10-11 20:56:00,274 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:00,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:56:00,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:00,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:56:00,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:56:00,276 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 20:56:03,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:03,547 INFO L93 Difference]: Finished difference Result 475 states and 577 transitions. [2024-10-11 20:56:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:56:03,547 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 20:56:03,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:03,548 INFO L225 Difference]: With dead ends: 475 [2024-10-11 20:56:03,548 INFO L226 Difference]: Without dead ends: 467 [2024-10-11 20:56:03,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2024-10-11 20:56:03,549 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 167 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:03,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 345 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-11 20:56:03,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-10-11 20:56:03,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 462. [2024-10-11 20:56:03,591 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 20:56:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 562 transitions. [2024-10-11 20:56:03,593 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 562 transitions. Word has length 106 [2024-10-11 20:56:03,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:03,593 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 562 transitions. [2024-10-11 20:56:03,594 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 20:56:03,594 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 562 transitions. [2024-10-11 20:56:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 20:56:03,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:03,595 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:56:03,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:03,799 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 20:56:03,800 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 20:56:03,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:03,800 INFO L85 PathProgramCache]: Analyzing trace with hash -806020776, now seen corresponding path program 1 times [2024-10-11 20:56:03,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:03,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321026727] [2024-10-11 20:56:03,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:03,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:56:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:56:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:56:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:56:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:56:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:56:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:56:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:56:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:03,990 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 20:56:03,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:03,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321026727] [2024-10-11 20:56:03,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321026727] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:03,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282907640] [2024-10-11 20:56:03,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:03,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:03,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:03,994 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 20:56:04,002 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 20:56:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:04,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:56:04,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:04,119 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 20:56:04,119 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:04,223 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 20:56:04,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282907640] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:04,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:04,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-10-11 20:56:04,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250823403] [2024-10-11 20:56:04,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:04,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:56:04,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:04,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:56:04,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:56:04,225 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 20:56:04,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:04,986 INFO L93 Difference]: Finished difference Result 692 states and 857 transitions. [2024-10-11 20:56:04,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:56:04,986 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 20:56:04,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:04,988 INFO L225 Difference]: With dead ends: 692 [2024-10-11 20:56:04,988 INFO L226 Difference]: Without dead ends: 520 [2024-10-11 20:56:04,989 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 20:56:04,989 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 226 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:04,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 533 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:56:04,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-10-11 20:56:05,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 400. [2024-10-11 20:56:05,029 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 20:56:05,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 491 transitions. [2024-10-11 20:56:05,030 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 491 transitions. Word has length 109 [2024-10-11 20:56:05,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:05,030 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 491 transitions. [2024-10-11 20:56:05,030 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 20:56:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 491 transitions. [2024-10-11 20:56:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 20:56:05,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:05,031 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 20:56:05,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:05,231 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 20:56:05,231 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 20:56:05,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2144174067, now seen corresponding path program 2 times [2024-10-11 20:56:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:05,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271978466] [2024-10-11 20:56:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:05,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:56:05,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625800667] [2024-10-11 20:56:05,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:56:05,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:05,246 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 20:56:05,247 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 20:56:05,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:56:05,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:56:05,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:56:05,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:05,429 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 20:56:05,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:09,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:09,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271978466] [2024-10-11 20:56:09,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:56:09,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625800667] [2024-10-11 20:56:09,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625800667] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:09,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:56:09,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:56:09,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697089564] [2024-10-11 20:56:09,836 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:09,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:56:09,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:09,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:56:09,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=43, Unknown=1, NotChecked=0, Total=72 [2024-10-11 20:56:09,837 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 20:56:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:10,013 INFO L93 Difference]: Finished difference Result 425 states and 526 transitions. [2024-10-11 20:56:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:56:10,014 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 20:56:10,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:10,015 INFO L225 Difference]: With dead ends: 425 [2024-10-11 20:56:10,015 INFO L226 Difference]: Without dead ends: 413 [2024-10-11 20:56:10,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=44, Invalid=65, Unknown=1, NotChecked=0, Total=110 [2024-10-11 20:56:10,016 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 20:56:10,016 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 20:56:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-10-11 20:56:10,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 370. [2024-10-11 20:56:10,054 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 20:56:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 447 transitions. [2024-10-11 20:56:10,055 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 447 transitions. Word has length 112 [2024-10-11 20:56:10,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:10,055 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 447 transitions. [2024-10-11 20:56:10,055 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 20:56:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 447 transitions. [2024-10-11 20:56:10,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 20:56:10,056 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:10,056 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 20:56:10,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-11 20:56:10,256 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 20:56:10,256 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 20:56:10,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2044886730, now seen corresponding path program 2 times [2024-10-11 20:56:10,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:10,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187426786] [2024-10-11 20:56:10,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:10,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:56:10,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156664289] [2024-10-11 20:56:10,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:56:10,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:10,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:10,270 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 20:56:10,271 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 20:56:10,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:56:10,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:56:10,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:56:10,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:10,447 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 20:56:10,447 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:14,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:14,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187426786] [2024-10-11 20:56:14,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:56:14,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156664289] [2024-10-11 20:56:14,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156664289] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:14,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:56:14,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:56:14,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228909308] [2024-10-11 20:56:14,773 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:14,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:56:14,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:14,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:56:14,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-10-11 20:56:14,774 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 20:56:14,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:14,908 INFO L93 Difference]: Finished difference Result 412 states and 501 transitions. [2024-10-11 20:56:14,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:56:14,908 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 20:56:14,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:14,909 INFO L225 Difference]: With dead ends: 412 [2024-10-11 20:56:14,909 INFO L226 Difference]: Without dead ends: 411 [2024-10-11 20:56:14,910 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 20:56:14,910 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 20:56:14,910 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 20:56:14,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-10-11 20:56:14,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 398. [2024-10-11 20:56:14,949 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 20:56:14,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 483 transitions. [2024-10-11 20:56:14,950 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 483 transitions. Word has length 113 [2024-10-11 20:56:14,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:14,951 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 483 transitions. [2024-10-11 20:56:14,951 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 20:56:14,951 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 483 transitions. [2024-10-11 20:56:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-11 20:56:14,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:14,952 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 20:56:14,964 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 20:56:15,155 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 20:56:15,156 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 20:56:15,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:15,156 INFO L85 PathProgramCache]: Analyzing trace with hash 768843283, now seen corresponding path program 1 times [2024-10-11 20:56:15,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:15,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714660991] [2024-10-11 20:56:15,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:15,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:56:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:56:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:56:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:56:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:56:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:56:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:56:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:56:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 20:56:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 20:56:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 20:56:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,367 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 20:56:15,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:15,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714660991] [2024-10-11 20:56:15,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714660991] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:15,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269361464] [2024-10-11 20:56:15,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:15,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:15,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:15,370 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 20:56:15,371 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 20:56:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:15,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:56:15,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:15,602 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 20:56:15,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:15,819 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 20:56:15,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269361464] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:15,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:15,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 36 [2024-10-11 20:56:15,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141991183] [2024-10-11 20:56:15,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:15,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-11 20:56:15,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:15,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-11 20:56:15,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 20:56:15,821 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 20:56:16,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:16,394 INFO L93 Difference]: Finished difference Result 1091 states and 1369 transitions. [2024-10-11 20:56:16,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-11 20:56:16,394 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 20:56:16,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:16,397 INFO L225 Difference]: With dead ends: 1091 [2024-10-11 20:56:16,397 INFO L226 Difference]: Without dead ends: 1083 [2024-10-11 20:56:16,399 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 20:56:16,399 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 20:56:16,399 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 20:56:16,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2024-10-11 20:56:16,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1016. [2024-10-11 20:56:16,495 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 20:56:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1289 transitions. [2024-10-11 20:56:16,497 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1289 transitions. Word has length 136 [2024-10-11 20:56:16,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:16,497 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1289 transitions. [2024-10-11 20:56:16,497 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 20:56:16,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1289 transitions. [2024-10-11 20:56:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 20:56:16,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:16,498 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 20:56:16,510 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 20:56:16,700 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 20:56:16,700 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 20:56:16,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:16,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1943634983, now seen corresponding path program 1 times [2024-10-11 20:56:16,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:16,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148651305] [2024-10-11 20:56:16,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:56:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:56:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:56:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:56:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:56:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:56:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:56:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:56:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 20:56:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 20:56:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 20:56:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,911 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 20:56:16,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:16,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148651305] [2024-10-11 20:56:16,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148651305] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:16,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19509245] [2024-10-11 20:56:16,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:16,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:16,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:16,913 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 20:56:16,914 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 20:56:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:16,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:56:16,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:17,168 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 20:56:17,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:18,380 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 20:56:18,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19509245] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:18,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:18,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-10-11 20:56:18,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511375230] [2024-10-11 20:56:18,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:18,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:56:18,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:18,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:56:18,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:56:18,381 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 20:56:19,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:19,355 INFO L93 Difference]: Finished difference Result 1724 states and 2213 transitions. [2024-10-11 20:56:19,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:56:19,361 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 20:56:19,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:19,367 INFO L225 Difference]: With dead ends: 1724 [2024-10-11 20:56:19,367 INFO L226 Difference]: Without dead ends: 1723 [2024-10-11 20:56:19,368 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 20:56:19,368 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 410 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:19,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 838 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:56:19,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2024-10-11 20:56:19,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1496. [2024-10-11 20:56:19,524 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 20:56:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1907 transitions. [2024-10-11 20:56:19,526 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1907 transitions. Word has length 137 [2024-10-11 20:56:19,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:19,527 INFO L471 AbstractCegarLoop]: Abstraction has 1496 states and 1907 transitions. [2024-10-11 20:56:19,527 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 20:56:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1907 transitions. [2024-10-11 20:56:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-11 20:56:19,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:19,528 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 20:56:19,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-11 20:56:19,729 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 20:56:19,730 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 20:56:19,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:19,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1023693538, now seen corresponding path program 1 times [2024-10-11 20:56:19,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:19,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246355936] [2024-10-11 20:56:19,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:19,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 20:56:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 20:56:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 20:56:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:56:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:56:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:56:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:56:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:56:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 20:56:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 20:56:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 20:56:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 20:56:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,920 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 20:56:19,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:19,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246355936] [2024-10-11 20:56:19,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246355936] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:19,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726711983] [2024-10-11 20:56:19,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:19,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:19,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:19,922 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 20:56:19,924 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 20:56:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:19,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:56:19,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:20,106 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 20:56:20,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:20,296 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 20:56:20,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726711983] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:20,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:20,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-10-11 20:56:20,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854366176] [2024-10-11 20:56:20,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:20,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 20:56:20,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:20,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 20:56:20,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:56:20,298 INFO L87 Difference]: Start difference. First operand 1496 states and 1907 transitions. Second operand has 29 states, 29 states have (on average 5.517241379310345) internal successors, (160), 29 states have internal predecessors, (160), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-10-11 20:56:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:20,780 INFO L93 Difference]: Finished difference Result 1878 states and 2349 transitions. [2024-10-11 20:56:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-11 20:56:20,780 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.517241379310345) internal successors, (160), 29 states have internal predecessors, (160), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 138 [2024-10-11 20:56:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:20,788 INFO L225 Difference]: With dead ends: 1878 [2024-10-11 20:56:20,788 INFO L226 Difference]: Without dead ends: 1672 [2024-10-11 20:56:20,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=694, Invalid=2386, Unknown=0, NotChecked=0, Total=3080 [2024-10-11 20:56:20,789 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 246 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:20,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 724 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:56:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-10-11 20:56:20,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1650. [2024-10-11 20:56:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 1467 states have (on average 1.2051806407634629) internal successors, (1768), 1475 states have internal predecessors, (1768), 151 states have call successors, (151), 23 states have call predecessors, (151), 23 states have return successors, (151), 151 states have call predecessors, (151), 151 states have call successors, (151) [2024-10-11 20:56:20,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2070 transitions. [2024-10-11 20:56:20,943 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2070 transitions. Word has length 138 [2024-10-11 20:56:20,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:20,943 INFO L471 AbstractCegarLoop]: Abstraction has 1650 states and 2070 transitions. [2024-10-11 20:56:20,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.517241379310345) internal successors, (160), 29 states have internal predecessors, (160), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-10-11 20:56:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2070 transitions. [2024-10-11 20:56:20,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-11 20:56:20,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:20,944 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 20:56:20,956 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 20:56:21,144 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 20:56:21,144 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 20:56:21,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:21,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1669729257, now seen corresponding path program 3 times [2024-10-11 20:56:21,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:21,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929738249] [2024-10-11 20:56:21,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:21,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:56:21,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [122365294] [2024-10-11 20:56:21,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:56:21,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:21,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:21,170 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 20:56:21,173 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 20:56:21,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:56:21,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:56:21,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:56:21,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 39 proven. 44 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-10-11 20:56:22,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:23,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:23,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929738249] [2024-10-11 20:56:23,237 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:56:23,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122365294] [2024-10-11 20:56:23,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122365294] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:23,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:56:23,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:56:23,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850513827] [2024-10-11 20:56:23,237 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:23,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:56:23,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:23,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:56:23,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:56:23,238 INFO L87 Difference]: Start difference. First operand 1650 states and 2070 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:56:24,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:24,695 INFO L93 Difference]: Finished difference Result 1879 states and 2364 transitions. [2024-10-11 20:56:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:56:24,695 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 139 [2024-10-11 20:56:24,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:24,700 INFO L225 Difference]: With dead ends: 1879 [2024-10-11 20:56:24,700 INFO L226 Difference]: Without dead ends: 1878 [2024-10-11 20:56:24,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:56:24,700 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 103 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:24,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 255 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 20:56:24,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2024-10-11 20:56:24,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1814. [2024-10-11 20:56:24,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1814 states, 1615 states have (on average 1.2006191950464395) internal successors, (1939), 1623 states have internal predecessors, (1939), 167 states have call successors, (167), 23 states have call predecessors, (167), 23 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2024-10-11 20:56:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2273 transitions. [2024-10-11 20:56:24,880 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2273 transitions. Word has length 139 [2024-10-11 20:56:24,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:24,880 INFO L471 AbstractCegarLoop]: Abstraction has 1814 states and 2273 transitions. [2024-10-11 20:56:24,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:56:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2273 transitions. [2024-10-11 20:56:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 20:56:24,882 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:24,882 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, 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 20:56:24,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-11 20:56:25,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:25,087 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:56:25,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:25,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1707949685, now seen corresponding path program 2 times [2024-10-11 20:56:25,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:25,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949073284] [2024-10-11 20:56:25,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:25,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:56:25,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991687126] [2024-10-11 20:56:25,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:56:25,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:25,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:25,105 INFO L229 MonitoredProcess]: Starting monitored process 33 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 20:56:25,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:56:25,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:56:25,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:56:25,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-11 20:56:25,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 20:56:25,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:26,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:26,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949073284] [2024-10-11 20:56:26,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:56:26,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991687126] [2024-10-11 20:56:26,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991687126] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:26,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:56:26,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-10-11 20:56:26,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016019984] [2024-10-11 20:56:26,355 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:26,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:56:26,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:26,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:56:26,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:56:26,356 INFO L87 Difference]: Start difference. First operand 1814 states and 2273 transitions. Second operand has 15 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 20:56:27,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:27,113 INFO L93 Difference]: Finished difference Result 1879 states and 2353 transitions. [2024-10-11 20:56:27,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:56:27,114 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 141 [2024-10-11 20:56:27,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:27,119 INFO L225 Difference]: With dead ends: 1879 [2024-10-11 20:56:27,119 INFO L226 Difference]: Without dead ends: 1878 [2024-10-11 20:56:27,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:56:27,120 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 86 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:27,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 580 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:56:27,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2024-10-11 20:56:27,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1814. [2024-10-11 20:56:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1814 states, 1615 states have (on average 1.2) internal successors, (1938), 1623 states have internal predecessors, (1938), 167 states have call successors, (167), 23 states have call predecessors, (167), 23 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2024-10-11 20:56:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2272 transitions. [2024-10-11 20:56:27,321 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2272 transitions. Word has length 141 [2024-10-11 20:56:27,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:27,321 INFO L471 AbstractCegarLoop]: Abstraction has 1814 states and 2272 transitions. [2024-10-11 20:56:27,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 20:56:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2272 transitions. [2024-10-11 20:56:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-11 20:56:27,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:27,322 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:56:27,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-11 20:56:27,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-11 20:56:27,522 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:56:27,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:27,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1517631170, now seen corresponding path program 4 times [2024-10-11 20:56:27,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:27,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495759042] [2024-10-11 20:56:27,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:27,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:56:27,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003501572] [2024-10-11 20:56:27,542 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:56:27,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:27,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:27,544 INFO L229 MonitoredProcess]: Starting monitored process 34 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 20:56:27,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:56:27,604 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:56:27,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:56:27,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:56:27,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:56:28,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:28,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495759042] [2024-10-11 20:56:28,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:56:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003501572] [2024-10-11 20:56:28,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003501572] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:28,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:56:28,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:56:28,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918368020] [2024-10-11 20:56:28,291 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:28,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:56:28,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:28,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:56:28,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:56:28,293 INFO L87 Difference]: Start difference. First operand 1814 states and 2272 transitions. Second operand has 13 states, 12 states have (on average 6.75) internal successors, (81), 13 states have internal predecessors, (81), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 20:56:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:28,802 INFO L93 Difference]: Finished difference Result 1917 states and 2404 transitions. [2024-10-11 20:56:28,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:56:28,803 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.75) internal successors, (81), 13 states have internal predecessors, (81), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 143 [2024-10-11 20:56:28,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:28,807 INFO L225 Difference]: With dead ends: 1917 [2024-10-11 20:56:28,807 INFO L226 Difference]: Without dead ends: 1916 [2024-10-11 20:56:28,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:56:28,808 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 71 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:28,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 483 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:56:28,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2024-10-11 20:56:28,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1814. [2024-10-11 20:56:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1814 states, 1615 states have (on average 1.1913312693498452) internal successors, (1924), 1623 states have internal predecessors, (1924), 167 states have call successors, (167), 23 states have call predecessors, (167), 23 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2024-10-11 20:56:28,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2258 transitions. [2024-10-11 20:56:28,985 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2258 transitions. Word has length 143 [2024-10-11 20:56:28,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:28,985 INFO L471 AbstractCegarLoop]: Abstraction has 1814 states and 2258 transitions. [2024-10-11 20:56:28,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.75) internal successors, (81), 13 states have internal predecessors, (81), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 20:56:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2258 transitions. [2024-10-11 20:56:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 20:56:28,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:28,986 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:56:28,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:29,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:29,191 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-10-11 20:56:29,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:29,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1845323228, now seen corresponding path program 3 times [2024-10-11 20:56:29,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:29,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767598248] [2024-10-11 20:56:29,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:29,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:56:29,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427492081] [2024-10-11 20:56:29,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:56:29,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:29,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:29,212 INFO L229 MonitoredProcess]: Starting monitored process 35 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 20:56:29,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:56:29,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:56:29,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:56:29,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-11 20:56:29,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:56:30,091 INFO L311 TraceCheckSpWp]: Computing backward predicates...