./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40c004ecbeb3948e318f4c5fc8011bd289b059bb9dbb2959c45853a9680cf20f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:08:31,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:08:31,745 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:08:31,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:08:31,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:08:31,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:08:31,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:08:31,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:08:31,783 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:08:31,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:08:31,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:08:31,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:08:31,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:08:31,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:08:31,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:08:31,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:08:31,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:08:31,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:08:31,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:08:31,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:08:31,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:08:31,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:08:31,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:08:31,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:08:31,793 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:08:31,793 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:08:31,793 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:08:31,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:08:31,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:08:31,794 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:08:31,794 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:08:31,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:08:31,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:08:31,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:08:31,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:08:31,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:08:31,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:08:31,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:08:31,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:08:31,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:08:31,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:08:31,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:08:31,799 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:08:31,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:08:31,800 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c004ecbeb3948e318f4c5fc8011bd289b059bb9dbb2959c45853a9680cf20f [2024-11-10 19:08:32,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:08:32,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:08:32,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:08:32,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:08:32,084 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:08:32,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-11-10 19:08:33,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:08:33,640 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:08:33,641 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-11-10 19:08:33,648 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e004d2a5c/975a0d675fac44dcaae0499523ad1948/FLAGf412189ac [2024-11-10 19:08:34,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e004d2a5c/975a0d675fac44dcaae0499523ad1948 [2024-11-10 19:08:34,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:08:34,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:08:34,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:08:34,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:08:34,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:08:34,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cde0fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34, skipping insertion in model container [2024-11-10 19:08:34,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:08:34,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:08:34,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:08:34,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:08:34,336 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:08:34,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34 WrapperNode [2024-11-10 19:08:34,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:08:34,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:08:34,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:08:34,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:08:34,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,382 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 136 [2024-11-10 19:08:34,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:08:34,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:08:34,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:08:34,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:08:34,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,429 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]. [2024-11-10 19:08:34,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,436 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:08:34,449 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:08:34,449 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:08:34,449 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:08:34,450 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (1/1) ... [2024-11-10 19:08:34,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:08:34,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:34,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:08:34,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:08:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:08:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:08:34,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:08:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:08:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:08:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:08:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:08:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:08:34,594 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:08:34,596 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:08:35,089 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-10 19:08:35,089 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:08:35,110 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:08:35,111 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:08:35,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:08:35 BoogieIcfgContainer [2024-11-10 19:08:35,112 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:08:35,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:08:35,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:08:35,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:08:35,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:08:34" (1/3) ... [2024-11-10 19:08:35,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7428bdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:08:35, skipping insertion in model container [2024-11-10 19:08:35,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:08:34" (2/3) ... [2024-11-10 19:08:35,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7428bdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:08:35, skipping insertion in model container [2024-11-10 19:08:35,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:08:35" (3/3) ... [2024-11-10 19:08:35,127 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound1.c [2024-11-10 19:08:35,145 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:08:35,145 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-11-10 19:08:35,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:08:35,224 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;@1d65ec3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:08:35,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-10 19:08:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 81 states have (on average 1.7530864197530864) internal successors, (142), 131 states have internal predecessors, (142), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:08:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 19:08:35,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:35,237 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:35,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:35,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:35,243 INFO L85 PathProgramCache]: Analyzing trace with hash 246449393, now seen corresponding path program 1 times [2024-11-10 19:08:35,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:35,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239185603] [2024-11-10 19:08:35,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:35,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:35,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:35,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239185603] [2024-11-10 19:08:35,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239185603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:35,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:35,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:08:35,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813121610] [2024-11-10 19:08:35,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:35,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:08:35,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:35,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:08:35,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:08:35,453 INFO L87 Difference]: Start difference. First operand has 143 states, 81 states have (on average 1.7530864197530864) internal successors, (142), 131 states have internal predecessors, (142), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:08:35,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:35,480 INFO L93 Difference]: Finished difference Result 282 states and 324 transitions. [2024-11-10 19:08:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:08:35,482 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-10 19:08:35,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:35,489 INFO L225 Difference]: With dead ends: 282 [2024-11-10 19:08:35,489 INFO L226 Difference]: Without dead ends: 136 [2024-11-10 19:08:35,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:08:35,494 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:35,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:08:35,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-10 19:08:35,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-10 19:08:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 76 states have (on average 1.6842105263157894) internal successors, (128), 125 states have internal predecessors, (128), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:08:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 144 transitions. [2024-11-10 19:08:35,531 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 144 transitions. Word has length 26 [2024-11-10 19:08:35,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:35,531 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 144 transitions. [2024-11-10 19:08:35,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:08:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 144 transitions. [2024-11-10 19:08:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 19:08:35,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:35,533 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:35,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:08:35,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:35,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:35,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1000066868, now seen corresponding path program 1 times [2024-11-10 19:08:35,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:35,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129820595] [2024-11-10 19:08:35,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:35,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 19:08:35,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:35,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129820595] [2024-11-10 19:08:35,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129820595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:35,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:35,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:08:35,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396479244] [2024-11-10 19:08:35,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:35,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:08:35,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:35,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:08:35,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:08:35,789 INFO L87 Difference]: Start difference. First operand 136 states and 144 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:36,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:36,102 INFO L93 Difference]: Finished difference Result 232 states and 252 transitions. [2024-11-10 19:08:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:08:36,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2024-11-10 19:08:36,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:36,110 INFO L225 Difference]: With dead ends: 232 [2024-11-10 19:08:36,110 INFO L226 Difference]: Without dead ends: 204 [2024-11-10 19:08:36,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:08:36,111 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 230 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:36,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 365 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:36,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-10 19:08:36,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 139. [2024-11-10 19:08:36,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 79 states have (on average 1.6582278481012658) internal successors, (131), 128 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:08:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2024-11-10 19:08:36,134 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 28 [2024-11-10 19:08:36,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:36,134 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2024-11-10 19:08:36,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2024-11-10 19:08:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:08:36,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:36,136 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:36,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:08:36,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:36,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:36,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1726393805, now seen corresponding path program 1 times [2024-11-10 19:08:36,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:36,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741125742] [2024-11-10 19:08:36,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:36,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:36,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:36,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:36,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:08:36,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:36,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741125742] [2024-11-10 19:08:36,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741125742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:36,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038099548] [2024-11-10 19:08:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:36,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:36,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:36,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:36,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:08:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:36,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:08:36,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:36,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:36,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038099548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:36,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:36,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-10 19:08:36,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102368067] [2024-11-10 19:08:36,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:36,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:08:36,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:36,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:08:36,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:08:36,598 INFO L87 Difference]: Start difference. First operand 139 states and 147 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:36,910 INFO L93 Difference]: Finished difference Result 215 states and 233 transitions. [2024-11-10 19:08:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:08:36,911 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-10 19:08:36,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:36,913 INFO L225 Difference]: With dead ends: 215 [2024-11-10 19:08:36,913 INFO L226 Difference]: Without dead ends: 211 [2024-11-10 19:08:36,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:08:36,914 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 65 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:36,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 239 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:36,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-10 19:08:36,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 184. [2024-11-10 19:08:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 120 states have (on average 1.6666666666666667) internal successors, (200), 169 states have internal predecessors, (200), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:08:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 224 transitions. [2024-11-10 19:08:36,946 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 224 transitions. Word has length 32 [2024-11-10 19:08:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:36,947 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 224 transitions. [2024-11-10 19:08:36,947 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 224 transitions. [2024-11-10 19:08:36,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:08:36,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:36,948 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:36,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:08:37,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:37,153 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:37,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:37,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1978728549, now seen corresponding path program 1 times [2024-11-10 19:08:37,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:37,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513817068] [2024-11-10 19:08:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:37,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:37,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833333439] [2024-11-10 19:08:37,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:37,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:37,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:37,174 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:37,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:08:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:37,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:08:37,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:37,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:37,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:37,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513817068] [2024-11-10 19:08:37,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:37,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833333439] [2024-11-10 19:08:37,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833333439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:37,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:37,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:08:37,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009256553] [2024-11-10 19:08:37,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:37,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:08:37,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:37,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:08:37,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:08:37,254 INFO L87 Difference]: Start difference. First operand 184 states and 224 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:37,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:37,466 INFO L93 Difference]: Finished difference Result 213 states and 229 transitions. [2024-11-10 19:08:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:08:37,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-11-10 19:08:37,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:37,468 INFO L225 Difference]: With dead ends: 213 [2024-11-10 19:08:37,469 INFO L226 Difference]: Without dead ends: 211 [2024-11-10 19:08:37,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:08:37,471 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 64 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:37,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 259 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:08:37,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-10 19:08:37,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 184. [2024-11-10 19:08:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 120 states have (on average 1.65) internal successors, (198), 169 states have internal predecessors, (198), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:08:37,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 222 transitions. [2024-11-10 19:08:37,489 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 222 transitions. Word has length 33 [2024-11-10 19:08:37,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:37,490 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 222 transitions. [2024-11-10 19:08:37,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 222 transitions. [2024-11-10 19:08:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:08:37,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:37,491 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:37,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:08:37,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 19:08:37,692 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:37,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:37,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1207070859, now seen corresponding path program 1 times [2024-11-10 19:08:37,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:37,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516945116] [2024-11-10 19:08:37,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:37,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:37,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:37,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:37,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:37,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:37,815 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:37,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:37,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516945116] [2024-11-10 19:08:37,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516945116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:37,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:37,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:08:37,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860408217] [2024-11-10 19:08:37,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:37,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:08:37,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:37,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:08:37,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:08:37,823 INFO L87 Difference]: Start difference. First operand 184 states and 222 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:38,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:38,573 INFO L93 Difference]: Finished difference Result 208 states and 227 transitions. [2024-11-10 19:08:38,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:08:38,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-10 19:08:38,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:38,575 INFO L225 Difference]: With dead ends: 208 [2024-11-10 19:08:38,575 INFO L226 Difference]: Without dead ends: 207 [2024-11-10 19:08:38,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:08:38,576 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 59 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:38,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 447 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:08:38,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-10 19:08:38,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 185. [2024-11-10 19:08:38,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 121 states have (on average 1.6446280991735538) internal successors, (199), 170 states have internal predecessors, (199), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:08:38,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 223 transitions. [2024-11-10 19:08:38,590 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 223 transitions. Word has length 34 [2024-11-10 19:08:38,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:38,591 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 223 transitions. [2024-11-10 19:08:38,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 223 transitions. [2024-11-10 19:08:38,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:08:38,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:38,592 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:38,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:08:38,592 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:38,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:38,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1235509023, now seen corresponding path program 1 times [2024-11-10 19:08:38,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:38,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368062480] [2024-11-10 19:08:38,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:38,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:38,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:38,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:38,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:38,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:08:38,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:38,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368062480] [2024-11-10 19:08:38,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368062480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:38,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717773255] [2024-11-10 19:08:38,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:38,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:38,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:38,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:38,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:08:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:38,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:08:38,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:38,943 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:38,943 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:38,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717773255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:38,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:38,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-11-10 19:08:38,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242798869] [2024-11-10 19:08:38,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:38,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:38,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:38,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:38,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:08:38,948 INFO L87 Difference]: Start difference. First operand 185 states and 223 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:39,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:39,328 INFO L93 Difference]: Finished difference Result 206 states and 226 transitions. [2024-11-10 19:08:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:39,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-10 19:08:39,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:39,330 INFO L225 Difference]: With dead ends: 206 [2024-11-10 19:08:39,330 INFO L226 Difference]: Without dead ends: 205 [2024-11-10 19:08:39,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:08:39,331 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 60 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:39,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 313 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:08:39,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-10 19:08:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 186. [2024-11-10 19:08:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 122 states have (on average 1.639344262295082) internal successors, (200), 171 states have internal predecessors, (200), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:08:39,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 224 transitions. [2024-11-10 19:08:39,348 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 224 transitions. Word has length 35 [2024-11-10 19:08:39,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:39,349 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 224 transitions. [2024-11-10 19:08:39,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:39,349 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 224 transitions. [2024-11-10 19:08:39,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:08:39,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:39,350 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:39,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:39,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:39,555 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:39,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:39,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1112373885, now seen corresponding path program 1 times [2024-11-10 19:08:39,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:39,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483893774] [2024-11-10 19:08:39,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:39,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:39,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [5030662] [2024-11-10 19:08:39,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:39,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:39,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:39,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:39,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:08:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:39,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:08:39,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:39,686 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:39,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:39,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483893774] [2024-11-10 19:08:39,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:39,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5030662] [2024-11-10 19:08:39,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5030662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:39,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:39,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:08:39,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808868338] [2024-11-10 19:08:39,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:39,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:39,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:39,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:39,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:39,688 INFO L87 Difference]: Start difference. First operand 186 states and 224 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:39,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:40,000 INFO L93 Difference]: Finished difference Result 205 states and 224 transitions. [2024-11-10 19:08:40,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:40,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-10 19:08:40,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:40,005 INFO L225 Difference]: With dead ends: 205 [2024-11-10 19:08:40,005 INFO L226 Difference]: Without dead ends: 204 [2024-11-10 19:08:40,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:40,006 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 152 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:40,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 220 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:40,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-10 19:08:40,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 186. [2024-11-10 19:08:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 122 states have (on average 1.6311475409836065) internal successors, (199), 171 states have internal predecessors, (199), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:08:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 223 transitions. [2024-11-10 19:08:40,020 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 223 transitions. Word has length 35 [2024-11-10 19:08:40,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:40,020 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 223 transitions. [2024-11-10 19:08:40,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 223 transitions. [2024-11-10 19:08:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 19:08:40,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:40,023 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:40,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:08:40,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:40,224 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:40,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:40,225 INFO L85 PathProgramCache]: Analyzing trace with hash -123851988, now seen corresponding path program 1 times [2024-11-10 19:08:40,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:40,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397400267] [2024-11-10 19:08:40,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:40,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:40,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [357778536] [2024-11-10 19:08:40,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:40,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:40,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:40,236 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:40,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:08:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:40,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:08:40,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:40,345 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:40,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:40,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397400267] [2024-11-10 19:08:40,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:40,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357778536] [2024-11-10 19:08:40,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357778536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:40,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:40,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:08:40,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574068163] [2024-11-10 19:08:40,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:40,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:40,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:40,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:40,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:40,347 INFO L87 Difference]: Start difference. First operand 186 states and 223 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:40,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:40,532 INFO L93 Difference]: Finished difference Result 205 states and 223 transitions. [2024-11-10 19:08:40,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:40,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2024-11-10 19:08:40,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:40,533 INFO L225 Difference]: With dead ends: 205 [2024-11-10 19:08:40,533 INFO L226 Difference]: Without dead ends: 204 [2024-11-10 19:08:40,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:40,534 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 201 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:40,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 205 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:08:40,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-10 19:08:40,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 186. [2024-11-10 19:08:40,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 122 states have (on average 1.6229508196721312) internal successors, (198), 171 states have internal predecessors, (198), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:08:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 222 transitions. [2024-11-10 19:08:40,548 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 222 transitions. Word has length 36 [2024-11-10 19:08:40,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:40,549 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 222 transitions. [2024-11-10 19:08:40,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 222 transitions. [2024-11-10 19:08:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:08:40,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:40,550 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:40,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:08:40,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:40,751 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:40,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:40,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1913197057, now seen corresponding path program 1 times [2024-11-10 19:08:40,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:40,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796720604] [2024-11-10 19:08:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:40,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:40,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:08:40,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:40,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796720604] [2024-11-10 19:08:40,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796720604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:40,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041782844] [2024-11-10 19:08:40,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:40,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:40,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:40,924 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:40,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:08:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:40,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:08:40,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:40,992 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:40,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041782844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:40,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:40,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-10 19:08:40,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675016644] [2024-11-10 19:08:40,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:40,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:08:40,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:40,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:08:40,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:08:40,994 INFO L87 Difference]: Start difference. First operand 186 states and 222 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:41,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:41,063 INFO L93 Difference]: Finished difference Result 314 states and 392 transitions. [2024-11-10 19:08:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:08:41,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-10 19:08:41,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:41,067 INFO L225 Difference]: With dead ends: 314 [2024-11-10 19:08:41,067 INFO L226 Difference]: Without dead ends: 308 [2024-11-10 19:08:41,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:08:41,069 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 62 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:41,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 230 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:08:41,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-10 19:08:41,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 271. [2024-11-10 19:08:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 199 states have (on average 1.6030150753768844) internal successors, (319), 248 states have internal predecessors, (319), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:08:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 359 transitions. [2024-11-10 19:08:41,083 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 359 transitions. Word has length 37 [2024-11-10 19:08:41,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:41,083 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 359 transitions. [2024-11-10 19:08:41,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 359 transitions. [2024-11-10 19:08:41,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:08:41,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:41,084 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:41,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:41,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:41,289 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:41,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:41,289 INFO L85 PathProgramCache]: Analyzing trace with hash 455555745, now seen corresponding path program 1 times [2024-11-10 19:08:41,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:41,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350242201] [2024-11-10 19:08:41,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:41,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:41,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [983259221] [2024-11-10 19:08:41,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:41,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:41,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:41,301 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:41,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:08:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:41,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:08:41,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:41,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:41,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:41,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350242201] [2024-11-10 19:08:41,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:41,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983259221] [2024-11-10 19:08:41,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983259221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:41,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:41,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:08:41,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085572689] [2024-11-10 19:08:41,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:41,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:41,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:41,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:41,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:41,395 INFO L87 Difference]: Start difference. First operand 271 states and 359 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:41,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:41,642 INFO L93 Difference]: Finished difference Result 299 states and 366 transitions. [2024-11-10 19:08:41,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:41,643 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-10 19:08:41,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:41,645 INFO L225 Difference]: With dead ends: 299 [2024-11-10 19:08:41,645 INFO L226 Difference]: Without dead ends: 298 [2024-11-10 19:08:41,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:41,646 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 112 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:41,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 272 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:08:41,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-10 19:08:41,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 271. [2024-11-10 19:08:41,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 199 states have (on average 1.592964824120603) internal successors, (317), 248 states have internal predecessors, (317), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:08:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 357 transitions. [2024-11-10 19:08:41,660 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 357 transitions. Word has length 37 [2024-11-10 19:08:41,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:41,660 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 357 transitions. [2024-11-10 19:08:41,660 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 357 transitions. [2024-11-10 19:08:41,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 19:08:41,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:41,661 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:41,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:08:41,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:41,862 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:41,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:41,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1237326282, now seen corresponding path program 1 times [2024-11-10 19:08:41,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:41,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396753020] [2024-11-10 19:08:41,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:41,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:41,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063259459] [2024-11-10 19:08:41,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:41,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:41,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:41,877 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:41,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:08:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:41,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:08:41,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:41,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:41,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:41,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396753020] [2024-11-10 19:08:41,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:41,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063259459] [2024-11-10 19:08:41,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063259459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:41,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:41,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:08:41,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056211255] [2024-11-10 19:08:41,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:41,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:41,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:41,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:41,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:41,992 INFO L87 Difference]: Start difference. First operand 271 states and 357 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:42,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:42,312 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2024-11-10 19:08:42,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:42,313 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2024-11-10 19:08:42,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:42,314 INFO L225 Difference]: With dead ends: 300 [2024-11-10 19:08:42,314 INFO L226 Difference]: Without dead ends: 299 [2024-11-10 19:08:42,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:42,315 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 111 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:42,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 274 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:42,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-10 19:08:42,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 271. [2024-11-10 19:08:42,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 199 states have (on average 1.5829145728643217) internal successors, (315), 248 states have internal predecessors, (315), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:08:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 355 transitions. [2024-11-10 19:08:42,330 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 355 transitions. Word has length 38 [2024-11-10 19:08:42,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:42,330 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 355 transitions. [2024-11-10 19:08:42,331 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:42,331 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 355 transitions. [2024-11-10 19:08:42,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-10 19:08:42,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:42,333 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:42,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:42,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 19:08:42,534 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:42,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:42,535 INFO L85 PathProgramCache]: Analyzing trace with hash -336368867, now seen corresponding path program 1 times [2024-11-10 19:08:42,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:42,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078805147] [2024-11-10 19:08:42,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:42,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:42,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:42,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:42,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:42,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:42,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:42,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078805147] [2024-11-10 19:08:42,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078805147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:42,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:42,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:08:42,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772172625] [2024-11-10 19:08:42,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:42,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:08:42,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:42,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:08:42,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:08:42,654 INFO L87 Difference]: Start difference. First operand 271 states and 355 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:42,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:42,904 INFO L93 Difference]: Finished difference Result 303 states and 368 transitions. [2024-11-10 19:08:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:08:42,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2024-11-10 19:08:42,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:42,906 INFO L225 Difference]: With dead ends: 303 [2024-11-10 19:08:42,906 INFO L226 Difference]: Without dead ends: 302 [2024-11-10 19:08:42,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:08:42,907 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 63 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:42,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 381 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:08:42,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-10 19:08:42,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 278. [2024-11-10 19:08:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 206 states have (on average 1.5728155339805825) internal successors, (324), 255 states have internal predecessors, (324), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:08:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 364 transitions. [2024-11-10 19:08:42,919 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 364 transitions. Word has length 39 [2024-11-10 19:08:42,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:42,919 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 364 transitions. [2024-11-10 19:08:42,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 364 transitions. [2024-11-10 19:08:42,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:08:42,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:42,920 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:42,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 19:08:42,920 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:42,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:42,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1837500282, now seen corresponding path program 1 times [2024-11-10 19:08:42,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:42,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297767634] [2024-11-10 19:08:42,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:42,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:08:43,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:43,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297767634] [2024-11-10 19:08:43,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297767634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:43,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956100909] [2024-11-10 19:08:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:43,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:43,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:43,068 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:43,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:08:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:08:43,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:43,204 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:43,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956100909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:43,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:43,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-10 19:08:43,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175476777] [2024-11-10 19:08:43,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:43,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:08:43,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:43,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:08:43,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:08:43,205 INFO L87 Difference]: Start difference. First operand 278 states and 364 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:43,472 INFO L93 Difference]: Finished difference Result 322 states and 378 transitions. [2024-11-10 19:08:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:08:43,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-11-10 19:08:43,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:43,476 INFO L225 Difference]: With dead ends: 322 [2024-11-10 19:08:43,476 INFO L226 Difference]: Without dead ends: 321 [2024-11-10 19:08:43,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:08:43,477 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 171 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:43,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 384 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:43,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-10 19:08:43,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 280. [2024-11-10 19:08:43,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 208 states have (on average 1.5673076923076923) internal successors, (326), 257 states have internal predecessors, (326), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:08:43,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 366 transitions. [2024-11-10 19:08:43,490 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 366 transitions. Word has length 40 [2024-11-10 19:08:43,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:43,490 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 366 transitions. [2024-11-10 19:08:43,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:08:43,490 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 366 transitions. [2024-11-10 19:08:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:08:43,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:43,491 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:43,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:43,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:08:43,694 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:43,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:43,694 INFO L85 PathProgramCache]: Analyzing trace with hash 670558135, now seen corresponding path program 1 times [2024-11-10 19:08:43,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:43,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718054519] [2024-11-10 19:08:43,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:43,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 19:08:43,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:43,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718054519] [2024-11-10 19:08:43,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718054519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:43,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769684798] [2024-11-10 19:08:43,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:43,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:43,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:43,819 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:43,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:08:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:43,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:08:43,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 19:08:43,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:08:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 19:08:44,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769684798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:08:44,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:08:44,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-10 19:08:44,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832810763] [2024-11-10 19:08:44,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:08:44,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:08:44,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:44,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:08:44,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:08:44,041 INFO L87 Difference]: Start difference. First operand 280 states and 366 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 11 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:08:44,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:44,732 INFO L93 Difference]: Finished difference Result 611 states and 753 transitions. [2024-11-10 19:08:44,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:08:44,733 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 11 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-10 19:08:44,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:44,735 INFO L225 Difference]: With dead ends: 611 [2024-11-10 19:08:44,735 INFO L226 Difference]: Without dead ends: 583 [2024-11-10 19:08:44,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 89 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:08:44,737 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 647 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:44,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 987 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:08:44,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-10 19:08:44,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 389. [2024-11-10 19:08:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 309 states have (on average 1.6019417475728155) internal successors, (495), 358 states have internal predecessors, (495), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:08:44,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 551 transitions. [2024-11-10 19:08:44,755 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 551 transitions. Word has length 45 [2024-11-10 19:08:44,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:44,755 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 551 transitions. [2024-11-10 19:08:44,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 11 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:08:44,756 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 551 transitions. [2024-11-10 19:08:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:08:44,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:44,756 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:44,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:08:44,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:08:44,962 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:44,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:44,962 INFO L85 PathProgramCache]: Analyzing trace with hash 251454337, now seen corresponding path program 1 times [2024-11-10 19:08:44,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:44,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346697111] [2024-11-10 19:08:44,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:44,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:44,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1726890442] [2024-11-10 19:08:44,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:44,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:44,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:44,974 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:44,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:08:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:45,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:08:45,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:45,111 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:45,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:45,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346697111] [2024-11-10 19:08:45,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:45,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726890442] [2024-11-10 19:08:45,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726890442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:45,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:45,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:08:45,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806816072] [2024-11-10 19:08:45,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:45,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:45,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:45,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:45,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:45,113 INFO L87 Difference]: Start difference. First operand 389 states and 551 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:08:45,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:45,387 INFO L93 Difference]: Finished difference Result 409 states and 555 transitions. [2024-11-10 19:08:45,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:45,389 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 46 [2024-11-10 19:08:45,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:45,391 INFO L225 Difference]: With dead ends: 409 [2024-11-10 19:08:45,391 INFO L226 Difference]: Without dead ends: 408 [2024-11-10 19:08:45,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:45,392 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 158 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:45,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 213 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:45,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-10 19:08:45,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 389. [2024-11-10 19:08:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 309 states have (on average 1.5954692556634305) internal successors, (493), 358 states have internal predecessors, (493), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:08:45,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 549 transitions. [2024-11-10 19:08:45,411 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 549 transitions. Word has length 46 [2024-11-10 19:08:45,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:45,411 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 549 transitions. [2024-11-10 19:08:45,411 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:08:45,412 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 549 transitions. [2024-11-10 19:08:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-10 19:08:45,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:45,412 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:45,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:08:45,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:08:45,613 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:45,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:45,614 INFO L85 PathProgramCache]: Analyzing trace with hash -794850079, now seen corresponding path program 1 times [2024-11-10 19:08:45,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:45,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354488115] [2024-11-10 19:08:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:45,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:45,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185364295] [2024-11-10 19:08:45,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:45,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:45,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:45,625 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:45,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:08:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:45,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:08:45,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:45,740 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:45,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:45,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354488115] [2024-11-10 19:08:45,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:45,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185364295] [2024-11-10 19:08:45,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185364295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:45,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:45,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:08:45,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729131694] [2024-11-10 19:08:45,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:45,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:45,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:45,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:45,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:45,742 INFO L87 Difference]: Start difference. First operand 389 states and 549 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:08:45,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:45,894 INFO L93 Difference]: Finished difference Result 409 states and 553 transitions. [2024-11-10 19:08:45,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:45,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 47 [2024-11-10 19:08:45,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:45,897 INFO L225 Difference]: With dead ends: 409 [2024-11-10 19:08:45,897 INFO L226 Difference]: Without dead ends: 408 [2024-11-10 19:08:45,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:45,898 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 209 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:45,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 197 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:08:45,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-10 19:08:45,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 389. [2024-11-10 19:08:45,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 309 states have (on average 1.5889967637540454) internal successors, (491), 358 states have internal predecessors, (491), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:08:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 547 transitions. [2024-11-10 19:08:45,919 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 547 transitions. Word has length 47 [2024-11-10 19:08:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:45,920 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 547 transitions. [2024-11-10 19:08:45,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:08:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 547 transitions. [2024-11-10 19:08:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:08:45,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:45,921 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:45,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:08:46,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:08:46,122 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:46,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:46,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1129451391, now seen corresponding path program 1 times [2024-11-10 19:08:46,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:46,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95700779] [2024-11-10 19:08:46,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:46,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:46,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187046753] [2024-11-10 19:08:46,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:46,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:46,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:46,138 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:46,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:08:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:46,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:08:46,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:46,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:46,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:46,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95700779] [2024-11-10 19:08:46,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:46,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187046753] [2024-11-10 19:08:46,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187046753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:46,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:46,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:08:46,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936025787] [2024-11-10 19:08:46,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:46,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:46,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:46,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:46,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:46,214 INFO L87 Difference]: Start difference. First operand 389 states and 547 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:08:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:46,626 INFO L93 Difference]: Finished difference Result 418 states and 560 transitions. [2024-11-10 19:08:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:46,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 48 [2024-11-10 19:08:46,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:46,629 INFO L225 Difference]: With dead ends: 418 [2024-11-10 19:08:46,629 INFO L226 Difference]: Without dead ends: 417 [2024-11-10 19:08:46,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:46,629 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 105 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:46,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 263 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:08:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-10 19:08:46,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 389. [2024-11-10 19:08:46,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 309 states have (on average 1.5825242718446602) internal successors, (489), 358 states have internal predecessors, (489), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:08:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 545 transitions. [2024-11-10 19:08:46,648 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 545 transitions. Word has length 48 [2024-11-10 19:08:46,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:46,649 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 545 transitions. [2024-11-10 19:08:46,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:08:46,649 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 545 transitions. [2024-11-10 19:08:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:08:46,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:46,650 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:46,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:46,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:08:46,851 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:46,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:46,851 INFO L85 PathProgramCache]: Analyzing trace with hash 653254815, now seen corresponding path program 1 times [2024-11-10 19:08:46,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:46,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404028983] [2024-11-10 19:08:46,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:46,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:46,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843622320] [2024-11-10 19:08:46,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:46,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:46,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:46,864 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:46,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:08:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:46,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:08:46,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:08:46,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:46,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:46,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404028983] [2024-11-10 19:08:46,986 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:46,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843622320] [2024-11-10 19:08:46,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843622320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:46,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:46,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:08:46,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365833580] [2024-11-10 19:08:46,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:46,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:46,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:46,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:46,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:46,987 INFO L87 Difference]: Start difference. First operand 389 states and 545 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:08:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:47,551 INFO L93 Difference]: Finished difference Result 419 states and 559 transitions. [2024-11-10 19:08:47,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:47,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 49 [2024-11-10 19:08:47,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:47,555 INFO L225 Difference]: With dead ends: 419 [2024-11-10 19:08:47,556 INFO L226 Difference]: Without dead ends: 418 [2024-11-10 19:08:47,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:47,557 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 65 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:47,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 333 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:08:47,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-10 19:08:47,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 389. [2024-11-10 19:08:47,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 309 states have (on average 1.5760517799352751) internal successors, (487), 358 states have internal predecessors, (487), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:08:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 543 transitions. [2024-11-10 19:08:47,578 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 543 transitions. Word has length 49 [2024-11-10 19:08:47,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:47,578 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 543 transitions. [2024-11-10 19:08:47,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:08:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 543 transitions. [2024-11-10 19:08:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:08:47,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:47,579 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:47,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:08:47,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:47,784 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:47,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:47,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1225866814, now seen corresponding path program 1 times [2024-11-10 19:08:47,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:47,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037073691] [2024-11-10 19:08:47,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:47,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:47,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:47,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:47,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:47,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:08:47,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:47,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037073691] [2024-11-10 19:08:47,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037073691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:47,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702423231] [2024-11-10 19:08:47,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:47,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:47,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:47,965 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:47,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:08:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:48,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:08:48,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:08:48,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:08:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:08:48,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702423231] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:08:48,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:08:48,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 10] total 19 [2024-11-10 19:08:48,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075571337] [2024-11-10 19:08:48,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:08:48,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 19:08:48,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:48,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 19:08:48,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:08:48,310 INFO L87 Difference]: Start difference. First operand 389 states and 543 transitions. Second operand has 19 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 14 states have internal predecessors, (67), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-10 19:08:48,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:48,912 INFO L93 Difference]: Finished difference Result 576 states and 751 transitions. [2024-11-10 19:08:48,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:08:48,913 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 14 states have internal predecessors, (67), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 50 [2024-11-10 19:08:48,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:48,914 INFO L225 Difference]: With dead ends: 576 [2024-11-10 19:08:48,914 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 19:08:48,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:08:48,915 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 1151 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:48,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 454 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:08:48,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 19:08:48,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 270. [2024-11-10 19:08:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 198 states have (on average 1.5505050505050506) internal successors, (307), 247 states have internal predecessors, (307), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:08:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 347 transitions. [2024-11-10 19:08:48,930 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 347 transitions. Word has length 50 [2024-11-10 19:08:48,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:48,930 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 347 transitions. [2024-11-10 19:08:48,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 14 states have internal predecessors, (67), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-10 19:08:48,931 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 347 transitions. [2024-11-10 19:08:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:08:48,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:48,931 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:48,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:08:49,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:49,132 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:49,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:49,133 INFO L85 PathProgramCache]: Analyzing trace with hash -936144787, now seen corresponding path program 1 times [2024-11-10 19:08:49,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:49,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044798366] [2024-11-10 19:08:49,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:49,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:49,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:49,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:49,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:49,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:49,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:08:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:49,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:08:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:49,271 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:08:49,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:49,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044798366] [2024-11-10 19:08:49,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044798366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:49,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876477430] [2024-11-10 19:08:49,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:49,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:49,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:49,274 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:49,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:08:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:49,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:08:49,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:08:49,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:49,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876477430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:49,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:49,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-10 19:08:49,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349580233] [2024-11-10 19:08:49,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:49,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:08:49,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:49,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:08:49,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:08:49,431 INFO L87 Difference]: Start difference. First operand 270 states and 347 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:08:49,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:49,936 INFO L93 Difference]: Finished difference Result 298 states and 352 transitions. [2024-11-10 19:08:49,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:08:49,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 57 [2024-11-10 19:08:49,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:49,938 INFO L225 Difference]: With dead ends: 298 [2024-11-10 19:08:49,938 INFO L226 Difference]: Without dead ends: 297 [2024-11-10 19:08:49,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:08:49,939 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 326 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:49,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 287 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:08:49,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-10 19:08:49,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 270. [2024-11-10 19:08:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 198 states have (on average 1.5454545454545454) internal successors, (306), 247 states have internal predecessors, (306), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:08:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 346 transitions. [2024-11-10 19:08:49,962 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 346 transitions. Word has length 57 [2024-11-10 19:08:49,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:49,962 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 346 transitions. [2024-11-10 19:08:49,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:08:49,962 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 346 transitions. [2024-11-10 19:08:49,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 19:08:49,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:49,963 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:49,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:08:50,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:50,164 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:50,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:50,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1044282728, now seen corresponding path program 1 times [2024-11-10 19:08:50,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:50,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291982663] [2024-11-10 19:08:50,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:50,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:50,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599868352] [2024-11-10 19:08:50,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:50,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:50,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:50,181 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:50,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:08:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:50,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:08:50,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:08:50,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:50,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:50,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291982663] [2024-11-10 19:08:50,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:50,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599868352] [2024-11-10 19:08:50,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599868352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:50,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:50,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:08:50,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375245601] [2024-11-10 19:08:50,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:50,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:08:50,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:50,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:08:50,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:08:50,321 INFO L87 Difference]: Start difference. First operand 270 states and 346 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:08:50,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:50,753 INFO L93 Difference]: Finished difference Result 298 states and 351 transitions. [2024-11-10 19:08:50,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:08:50,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2024-11-10 19:08:50,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:50,755 INFO L225 Difference]: With dead ends: 298 [2024-11-10 19:08:50,755 INFO L226 Difference]: Without dead ends: 297 [2024-11-10 19:08:50,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:08:50,756 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 302 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:50,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 303 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:08:50,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-10 19:08:50,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 270. [2024-11-10 19:08:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 198 states have (on average 1.5404040404040404) internal successors, (305), 247 states have internal predecessors, (305), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:08:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 345 transitions. [2024-11-10 19:08:50,771 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 345 transitions. Word has length 58 [2024-11-10 19:08:50,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:50,771 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 345 transitions. [2024-11-10 19:08:50,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:08:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2024-11-10 19:08:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-10 19:08:50,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:50,772 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:50,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:08:50,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:50,977 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:50,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:50,977 INFO L85 PathProgramCache]: Analyzing trace with hash -451411565, now seen corresponding path program 1 times [2024-11-10 19:08:50,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:50,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115315609] [2024-11-10 19:08:50,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:50,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:50,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [430534814] [2024-11-10 19:08:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:50,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:50,993 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:50,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:08:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:51,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:08:51,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:08:51,130 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:51,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:51,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115315609] [2024-11-10 19:08:51,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:51,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430534814] [2024-11-10 19:08:51,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430534814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:51,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:51,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:08:51,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855115235] [2024-11-10 19:08:51,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:51,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:08:51,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:51,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:08:51,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:08:51,131 INFO L87 Difference]: Start difference. First operand 270 states and 345 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:08:51,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:51,567 INFO L93 Difference]: Finished difference Result 353 states and 441 transitions. [2024-11-10 19:08:51,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:08:51,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 64 [2024-11-10 19:08:51,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:51,569 INFO L225 Difference]: With dead ends: 353 [2024-11-10 19:08:51,569 INFO L226 Difference]: Without dead ends: 350 [2024-11-10 19:08:51,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:08:51,570 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 236 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:51,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 300 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:08:51,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-10 19:08:51,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 328. [2024-11-10 19:08:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 248 states have (on average 1.4798387096774193) internal successors, (367), 297 states have internal predecessors, (367), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:08:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 423 transitions. [2024-11-10 19:08:51,589 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 423 transitions. Word has length 64 [2024-11-10 19:08:51,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:51,590 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 423 transitions. [2024-11-10 19:08:51,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:08:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 423 transitions. [2024-11-10 19:08:51,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:08:51,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:51,590 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:51,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:08:51,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:51,792 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:51,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:51,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1108856579, now seen corresponding path program 1 times [2024-11-10 19:08:51,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:51,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178650784] [2024-11-10 19:08:51,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:51,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:51,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1981539635] [2024-11-10 19:08:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:51,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:51,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:51,807 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:51,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:08:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:51,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:08:51,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:51,952 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:08:51,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:51,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:51,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178650784] [2024-11-10 19:08:51,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:51,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981539635] [2024-11-10 19:08:51,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981539635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:51,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:51,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:08:51,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768663443] [2024-11-10 19:08:51,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:51,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:08:51,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:51,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:08:51,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:08:51,954 INFO L87 Difference]: Start difference. First operand 328 states and 423 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:08:52,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:52,214 INFO L93 Difference]: Finished difference Result 351 states and 435 transitions. [2024-11-10 19:08:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:08:52,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 65 [2024-11-10 19:08:52,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:52,216 INFO L225 Difference]: With dead ends: 351 [2024-11-10 19:08:52,216 INFO L226 Difference]: Without dead ends: 350 [2024-11-10 19:08:52,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:08:52,217 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 256 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:52,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 228 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:08:52,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-10 19:08:52,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 328. [2024-11-10 19:08:52,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 248 states have (on average 1.471774193548387) internal successors, (365), 297 states have internal predecessors, (365), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:08:52,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 421 transitions. [2024-11-10 19:08:52,238 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 421 transitions. Word has length 65 [2024-11-10 19:08:52,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:52,239 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 421 transitions. [2024-11-10 19:08:52,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:08:52,239 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 421 transitions. [2024-11-10 19:08:52,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 19:08:52,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:52,240 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:52,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:08:52,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:52,446 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:52,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:52,446 INFO L85 PathProgramCache]: Analyzing trace with hash 67518439, now seen corresponding path program 1 times [2024-11-10 19:08:52,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:52,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874032992] [2024-11-10 19:08:52,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:52,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:52,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:52,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:52,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:52,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:08:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:52,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:08:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:52,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:08:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:52,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:08:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:08:52,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:52,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874032992] [2024-11-10 19:08:52,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874032992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:52,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:52,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:08:52,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617222879] [2024-11-10 19:08:52,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:52,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:08:52,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:52,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:08:52,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:08:52,519 INFO L87 Difference]: Start difference. First operand 328 states and 421 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:08:52,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:52,977 INFO L93 Difference]: Finished difference Result 355 states and 438 transitions. [2024-11-10 19:08:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:08:52,977 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), 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 [2024-11-10 19:08:52,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:52,979 INFO L225 Difference]: With dead ends: 355 [2024-11-10 19:08:52,979 INFO L226 Difference]: Without dead ends: 353 [2024-11-10 19:08:52,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:08:52,981 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 275 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:52,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 285 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:08:52,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-10 19:08:52,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 332. [2024-11-10 19:08:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 252 states have (on average 1.4563492063492063) internal successors, (367), 301 states have internal predecessors, (367), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:08:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 423 transitions. [2024-11-10 19:08:53,001 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 423 transitions. Word has length 71 [2024-11-10 19:08:53,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:53,002 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 423 transitions. [2024-11-10 19:08:53,002 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:08:53,002 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 423 transitions. [2024-11-10 19:08:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:08:53,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:53,003 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:53,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 19:08:53,003 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:53,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:53,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2093071652, now seen corresponding path program 1 times [2024-11-10 19:08:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:53,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139908663] [2024-11-10 19:08:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:53,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:08:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:08:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:08:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:08:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:08:53,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:53,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139908663] [2024-11-10 19:08:53,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139908663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:53,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:53,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:08:53,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731650068] [2024-11-10 19:08:53,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:53,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:08:53,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:53,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:08:53,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:08:53,101 INFO L87 Difference]: Start difference. First operand 332 states and 423 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:53,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:53,461 INFO L93 Difference]: Finished difference Result 363 states and 433 transitions. [2024-11-10 19:08:53,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:08:53,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 72 [2024-11-10 19:08:53,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:53,463 INFO L225 Difference]: With dead ends: 363 [2024-11-10 19:08:53,463 INFO L226 Difference]: Without dead ends: 361 [2024-11-10 19:08:53,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:08:53,464 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 408 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:53,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 427 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:53,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-10 19:08:53,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 332. [2024-11-10 19:08:53,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 252 states have (on average 1.4484126984126984) internal successors, (365), 301 states have internal predecessors, (365), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:08:53,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 421 transitions. [2024-11-10 19:08:53,482 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 421 transitions. Word has length 72 [2024-11-10 19:08:53,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:53,482 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 421 transitions. [2024-11-10 19:08:53,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:53,482 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 421 transitions. [2024-11-10 19:08:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:08:53,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:53,483 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:53,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 19:08:53,483 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:53,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:53,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1397164344, now seen corresponding path program 1 times [2024-11-10 19:08:53,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:53,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149757646] [2024-11-10 19:08:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:53,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:08:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:08:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:08:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:08:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:08:53,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:53,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149757646] [2024-11-10 19:08:53,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149757646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:53,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:53,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:08:53,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584273708] [2024-11-10 19:08:53,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:53,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:08:53,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:53,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:08:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:08:53,537 INFO L87 Difference]: Start difference. First operand 332 states and 421 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:53,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:53,595 INFO L93 Difference]: Finished difference Result 427 states and 558 transitions. [2024-11-10 19:08:53,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:08:53,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2024-11-10 19:08:53,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:53,597 INFO L225 Difference]: With dead ends: 427 [2024-11-10 19:08:53,597 INFO L226 Difference]: Without dead ends: 426 [2024-11-10 19:08:53,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:08:53,598 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 26 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:53,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 244 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:08:53,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-10 19:08:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 388. [2024-11-10 19:08:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 300 states have (on average 1.51) internal successors, (453), 349 states have internal predecessors, (453), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:08:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 525 transitions. [2024-11-10 19:08:53,619 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 525 transitions. Word has length 74 [2024-11-10 19:08:53,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:53,620 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 525 transitions. [2024-11-10 19:08:53,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 525 transitions. [2024-11-10 19:08:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 19:08:53,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:53,622 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:53,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 19:08:53,622 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:53,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:53,623 INFO L85 PathProgramCache]: Analyzing trace with hash 362421731, now seen corresponding path program 1 times [2024-11-10 19:08:53,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:53,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797405135] [2024-11-10 19:08:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:53,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:08:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:08:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:08:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:08:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:08:53,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:53,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797405135] [2024-11-10 19:08:53,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797405135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:53,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:53,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:08:53,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765164897] [2024-11-10 19:08:53,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:53,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:08:53,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:53,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:08:53,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:08:53,710 INFO L87 Difference]: Start difference. First operand 388 states and 525 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:54,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:54,029 INFO L93 Difference]: Finished difference Result 404 states and 525 transitions. [2024-11-10 19:08:54,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:08:54,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2024-11-10 19:08:54,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:54,032 INFO L225 Difference]: With dead ends: 404 [2024-11-10 19:08:54,032 INFO L226 Difference]: Without dead ends: 403 [2024-11-10 19:08:54,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:08:54,032 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 242 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:54,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 383 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-10 19:08:54,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 388. [2024-11-10 19:08:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 300 states have (on average 1.5066666666666666) internal successors, (452), 349 states have internal predecessors, (452), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:08:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 524 transitions. [2024-11-10 19:08:54,054 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 524 transitions. Word has length 75 [2024-11-10 19:08:54,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:54,055 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 524 transitions. [2024-11-10 19:08:54,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 524 transitions. [2024-11-10 19:08:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:08:54,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:54,057 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:54,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 19:08:54,057 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:54,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:54,057 INFO L85 PathProgramCache]: Analyzing trace with hash 394933345, now seen corresponding path program 1 times [2024-11-10 19:08:54,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:54,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229228834] [2024-11-10 19:08:54,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:54,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:08:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:08:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:08:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:08:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:08:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:08:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:08:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:08:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:08:54,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:54,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229228834] [2024-11-10 19:08:54,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229228834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:54,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:54,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:08:54,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476078684] [2024-11-10 19:08:54,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:54,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:08:54,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:08:54,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:54,132 INFO L87 Difference]: Start difference. First operand 388 states and 524 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:54,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:54,396 INFO L93 Difference]: Finished difference Result 459 states and 570 transitions. [2024-11-10 19:08:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:08:54,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2024-11-10 19:08:54,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:54,399 INFO L225 Difference]: With dead ends: 459 [2024-11-10 19:08:54,399 INFO L226 Difference]: Without dead ends: 455 [2024-11-10 19:08:54,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:08:54,399 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 89 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:54,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 344 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:08:54,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-10 19:08:54,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 400. [2024-11-10 19:08:54,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 312 states have (on average 1.4903846153846154) internal successors, (465), 361 states have internal predecessors, (465), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:08:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 537 transitions. [2024-11-10 19:08:54,426 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 537 transitions. Word has length 77 [2024-11-10 19:08:54,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:54,427 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 537 transitions. [2024-11-10 19:08:54,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:54,427 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 537 transitions. [2024-11-10 19:08:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:08:54,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:54,428 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:54,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 19:08:54,428 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:54,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:54,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1248983023, now seen corresponding path program 1 times [2024-11-10 19:08:54,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:54,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740654041] [2024-11-10 19:08:54,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:54,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:54,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [105586805] [2024-11-10 19:08:54,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:54,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:54,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:54,445 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:54,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:08:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:54,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:08:54,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:08:54,711 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:54,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:54,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740654041] [2024-11-10 19:08:54,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:54,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105586805] [2024-11-10 19:08:54,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105586805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:54,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:54,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:08:54,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984510645] [2024-11-10 19:08:54,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:54,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:08:54,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:54,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:08:54,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:08:54,713 INFO L87 Difference]: Start difference. First operand 400 states and 537 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:55,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:55,129 INFO L93 Difference]: Finished difference Result 431 states and 549 transitions. [2024-11-10 19:08:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:08:55,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 89 [2024-11-10 19:08:55,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:55,132 INFO L225 Difference]: With dead ends: 431 [2024-11-10 19:08:55,132 INFO L226 Difference]: Without dead ends: 428 [2024-11-10 19:08:55,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:08:55,136 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 67 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:55,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 550 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:08:55,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-10 19:08:55,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 400. [2024-11-10 19:08:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 312 states have (on average 1.4775641025641026) internal successors, (461), 361 states have internal predecessors, (461), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:08:55,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 533 transitions. [2024-11-10 19:08:55,161 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 533 transitions. Word has length 89 [2024-11-10 19:08:55,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:55,163 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 533 transitions. [2024-11-10 19:08:55,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 533 transitions. [2024-11-10 19:08:55,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 19:08:55,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:55,165 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:55,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:55,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:08:55,365 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:55,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:55,366 INFO L85 PathProgramCache]: Analyzing trace with hash -63768042, now seen corresponding path program 1 times [2024-11-10 19:08:55,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:55,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372718192] [2024-11-10 19:08:55,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:55,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:55,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989140401] [2024-11-10 19:08:55,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:55,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:55,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:55,382 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:55,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:08:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:55,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:08:55,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:08:55,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:08:56,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:56,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372718192] [2024-11-10 19:08:56,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:56,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989140401] [2024-11-10 19:08:56,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989140401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:56,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:56,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:08:56,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327610074] [2024-11-10 19:08:56,407 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:08:56,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:08:56,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:56,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:08:56,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:08:56,410 INFO L87 Difference]: Start difference. First operand 400 states and 533 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:56,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:56,675 INFO L93 Difference]: Finished difference Result 523 states and 661 transitions. [2024-11-10 19:08:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:08:56,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 90 [2024-11-10 19:08:56,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:56,677 INFO L225 Difference]: With dead ends: 523 [2024-11-10 19:08:56,677 INFO L226 Difference]: Without dead ends: 522 [2024-11-10 19:08:56,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:08:56,678 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 167 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:56,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 500 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:08:56,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-10 19:08:56,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 412. [2024-11-10 19:08:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 324 states have (on average 1.462962962962963) internal successors, (474), 373 states have internal predecessors, (474), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:08:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 546 transitions. [2024-11-10 19:08:56,706 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 546 transitions. Word has length 90 [2024-11-10 19:08:56,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:56,706 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 546 transitions. [2024-11-10 19:08:56,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 546 transitions. [2024-11-10 19:08:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-10 19:08:56,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:56,707 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:56,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:56,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:56,912 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:56,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:56,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1151546060, now seen corresponding path program 1 times [2024-11-10 19:08:56,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:56,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742182395] [2024-11-10 19:08:56,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:56,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:56,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438718552] [2024-11-10 19:08:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:56,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:56,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:56,927 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:56,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:08:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:56,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:08:56,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:08:57,298 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:08:57,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:57,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742182395] [2024-11-10 19:08:57,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:57,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438718552] [2024-11-10 19:08:57,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438718552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:08:57,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:08:57,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:08:57,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629721351] [2024-11-10 19:08:57,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:08:57,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:08:57,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:57,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:08:57,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:08:57,300 INFO L87 Difference]: Start difference. First operand 412 states and 546 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:57,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:57,792 INFO L93 Difference]: Finished difference Result 441 states and 557 transitions. [2024-11-10 19:08:57,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:08:57,792 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2024-11-10 19:08:57,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:57,793 INFO L225 Difference]: With dead ends: 441 [2024-11-10 19:08:57,794 INFO L226 Difference]: Without dead ends: 440 [2024-11-10 19:08:57,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:08:57,794 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 64 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:57,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 577 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:08:57,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-10 19:08:57,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 413. [2024-11-10 19:08:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 325 states have (on average 1.4615384615384615) internal successors, (475), 374 states have internal predecessors, (475), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:08:57,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 547 transitions. [2024-11-10 19:08:57,818 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 547 transitions. Word has length 92 [2024-11-10 19:08:57,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:57,818 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 547 transitions. [2024-11-10 19:08:57,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:08:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 547 transitions. [2024-11-10 19:08:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-10 19:08:57,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:57,819 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:57,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:58,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:58,024 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:08:58,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:58,024 INFO L85 PathProgramCache]: Analyzing trace with hash 681889737, now seen corresponding path program 1 times [2024-11-10 19:08:58,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:58,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365925474] [2024-11-10 19:08:58,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:58,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:58,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [426542831] [2024-11-10 19:08:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:58,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:58,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:58,037 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:58,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:08:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:58,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:08:58,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:08:58,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:08:58,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:58,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365925474] [2024-11-10 19:08:58,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:58,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426542831] [2024-11-10 19:08:58,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426542831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:58,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:58,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:08:58,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185477846] [2024-11-10 19:08:58,901 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:08:58,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:08:58,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:58,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:08:58,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:08:58,903 INFO L87 Difference]: Start difference. First operand 413 states and 547 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:08:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:59,958 INFO L93 Difference]: Finished difference Result 694 states and 935 transitions. [2024-11-10 19:08:59,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:08:59,959 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 97 [2024-11-10 19:08:59,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:59,961 INFO L225 Difference]: With dead ends: 694 [2024-11-10 19:08:59,961 INFO L226 Difference]: Without dead ends: 692 [2024-11-10 19:08:59,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:08:59,962 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 680 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:59,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 868 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:08:59,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-10 19:08:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 560. [2024-11-10 19:08:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 456 states have (on average 1.530701754385965) internal successors, (698), 505 states have internal predecessors, (698), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 19:09:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 802 transitions. [2024-11-10 19:09:00,000 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 802 transitions. Word has length 97 [2024-11-10 19:09:00,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:00,001 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 802 transitions. [2024-11-10 19:09:00,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:00,001 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 802 transitions. [2024-11-10 19:09:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:09:00,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:00,002 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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] [2024-11-10 19:09:00,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:00,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:00,207 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:00,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:00,207 INFO L85 PathProgramCache]: Analyzing trace with hash -336254635, now seen corresponding path program 1 times [2024-11-10 19:09:00,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:00,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680441224] [2024-11-10 19:09:00,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:00,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:00,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745667375] [2024-11-10 19:09:00,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:00,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:00,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:00,224 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:00,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:09:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:00,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:09:00,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:00,630 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:01,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:01,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680441224] [2024-11-10 19:09:01,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:01,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745667375] [2024-11-10 19:09:01,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745667375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:01,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:01,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:09:01,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535907388] [2024-11-10 19:09:01,991 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:01,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:09:01,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:01,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:09:01,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:09:01,992 INFO L87 Difference]: Start difference. First operand 560 states and 802 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:02,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:02,888 INFO L93 Difference]: Finished difference Result 694 states and 930 transitions. [2024-11-10 19:09:02,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:09:02,888 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2024-11-10 19:09:02,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:02,891 INFO L225 Difference]: With dead ends: 694 [2024-11-10 19:09:02,891 INFO L226 Difference]: Without dead ends: 692 [2024-11-10 19:09:02,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:09:02,892 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 698 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:02,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 806 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:09:02,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-10 19:09:02,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 561. [2024-11-10 19:09:02,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 457 states have (on average 1.5207877461706782) internal successors, (695), 506 states have internal predecessors, (695), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 19:09:02,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 799 transitions. [2024-11-10 19:09:02,935 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 799 transitions. Word has length 98 [2024-11-10 19:09:02,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:02,936 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 799 transitions. [2024-11-10 19:09:02,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 799 transitions. [2024-11-10 19:09:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:09:02,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:02,938 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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] [2024-11-10 19:09:02,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:03,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:03,138 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:03,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:03,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1833959097, now seen corresponding path program 1 times [2024-11-10 19:09:03,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:03,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375816760] [2024-11-10 19:09:03,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:03,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:03,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887198670] [2024-11-10 19:09:03,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:03,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:03,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:03,158 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:03,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:09:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:03,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:09:03,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:03,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:08,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:08,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375816760] [2024-11-10 19:09:08,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:08,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887198670] [2024-11-10 19:09:08,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887198670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:08,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:08,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:09:08,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745255843] [2024-11-10 19:09:08,013 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:08,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:09:08,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:08,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:09:08,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=277, Unknown=1, NotChecked=0, Total=342 [2024-11-10 19:09:08,015 INFO L87 Difference]: Start difference. First operand 561 states and 799 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:08,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:08,975 INFO L93 Difference]: Finished difference Result 704 states and 941 transitions. [2024-11-10 19:09:08,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:09:08,975 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 99 [2024-11-10 19:09:08,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:08,978 INFO L225 Difference]: With dead ends: 704 [2024-11-10 19:09:08,978 INFO L226 Difference]: Without dead ends: 702 [2024-11-10 19:09:08,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=149, Invalid=606, Unknown=1, NotChecked=0, Total=756 [2024-11-10 19:09:08,979 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 665 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:08,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 913 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:09:08,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-11-10 19:09:09,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 562. [2024-11-10 19:09:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 458 states have (on average 1.5109170305676856) internal successors, (692), 507 states have internal predecessors, (692), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 19:09:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 796 transitions. [2024-11-10 19:09:09,016 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 796 transitions. Word has length 99 [2024-11-10 19:09:09,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:09,019 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 796 transitions. [2024-11-10 19:09:09,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:09,020 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 796 transitions. [2024-11-10 19:09:09,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:09:09,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:09,021 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1] [2024-11-10 19:09:09,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-10 19:09:09,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-10 19:09:09,222 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:09,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:09,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1018157165, now seen corresponding path program 1 times [2024-11-10 19:09:09,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:09,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047679232] [2024-11-10 19:09:09,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:09,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:09,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [407295270] [2024-11-10 19:09:09,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:09,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:09,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:09,237 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:09,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:09:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:09,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:09:09,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:09,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:10,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:10,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047679232] [2024-11-10 19:09:10,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:10,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407295270] [2024-11-10 19:09:10,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407295270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:10,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:10,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:09:10,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125640411] [2024-11-10 19:09:10,860 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:10,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:09:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:10,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:09:10,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:09:10,861 INFO L87 Difference]: Start difference. First operand 562 states and 796 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:11,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:11,917 INFO L93 Difference]: Finished difference Result 791 states and 1045 transitions. [2024-11-10 19:09:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:09:11,918 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 100 [2024-11-10 19:09:11,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:11,920 INFO L225 Difference]: With dead ends: 791 [2024-11-10 19:09:11,920 INFO L226 Difference]: Without dead ends: 789 [2024-11-10 19:09:11,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=674, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:09:11,921 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 843 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:11,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 883 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:09:11,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-10 19:09:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 563. [2024-11-10 19:09:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 459 states have (on average 1.5010893246187365) internal successors, (689), 508 states have internal predecessors, (689), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 19:09:11,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 793 transitions. [2024-11-10 19:09:11,956 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 793 transitions. Word has length 100 [2024-11-10 19:09:11,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:11,956 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 793 transitions. [2024-11-10 19:09:11,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 793 transitions. [2024-11-10 19:09:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-10 19:09:11,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:11,957 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1] [2024-11-10 19:09:11,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-10 19:09:12,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-10 19:09:12,162 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:12,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:12,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1498101051, now seen corresponding path program 1 times [2024-11-10 19:09:12,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:12,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591531211] [2024-11-10 19:09:12,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:12,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:12,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [779020386] [2024-11-10 19:09:12,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:12,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:12,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:12,187 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:12,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:09:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:12,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 19:09:12,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:12,742 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:12,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:18,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:18,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591531211] [2024-11-10 19:09:18,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:18,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779020386] [2024-11-10 19:09:18,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779020386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:18,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:18,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:09:18,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577140990] [2024-11-10 19:09:18,320 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:18,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:09:18,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:18,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:09:18,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=285, Unknown=1, NotChecked=0, Total=342 [2024-11-10 19:09:18,321 INFO L87 Difference]: Start difference. First operand 563 states and 793 transitions. Second operand has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:19,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:19,445 INFO L93 Difference]: Finished difference Result 693 states and 915 transitions. [2024-11-10 19:09:19,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:09:19,446 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2024-11-10 19:09:19,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:19,448 INFO L225 Difference]: With dead ends: 693 [2024-11-10 19:09:19,448 INFO L226 Difference]: Without dead ends: 692 [2024-11-10 19:09:19,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=133, Invalid=622, Unknown=1, NotChecked=0, Total=756 [2024-11-10 19:09:19,448 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 712 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:19,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 912 Invalid, 1568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:09:19,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-10 19:09:19,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 564. [2024-11-10 19:09:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 460 states have (on average 1.5) internal successors, (690), 509 states have internal predecessors, (690), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 19:09:19,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 794 transitions. [2024-11-10 19:09:19,482 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 794 transitions. Word has length 101 [2024-11-10 19:09:19,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:19,483 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 794 transitions. [2024-11-10 19:09:19,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 794 transitions. [2024-11-10 19:09:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 19:09:19,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:19,484 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1] [2024-11-10 19:09:19,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-10 19:09:19,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-10 19:09:19,689 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:19,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:19,689 INFO L85 PathProgramCache]: Analyzing trace with hash 803507665, now seen corresponding path program 1 times [2024-11-10 19:09:19,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:19,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579728734] [2024-11-10 19:09:19,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:19,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:19,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1540628701] [2024-11-10 19:09:19,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:19,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:19,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:19,708 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:19,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:09:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:19,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 19:09:19,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:20,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:26,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:26,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579728734] [2024-11-10 19:09:26,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:26,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540628701] [2024-11-10 19:09:26,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540628701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:26,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:26,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-10 19:09:26,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68560670] [2024-11-10 19:09:26,532 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:26,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:09:26,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:26,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:09:26,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=347, Unknown=1, NotChecked=0, Total=420 [2024-11-10 19:09:26,533 INFO L87 Difference]: Start difference. First operand 564 states and 794 transitions. Second operand has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:27,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:27,684 INFO L93 Difference]: Finished difference Result 705 states and 930 transitions. [2024-11-10 19:09:27,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 19:09:27,685 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-10 19:09:27,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:27,688 INFO L225 Difference]: With dead ends: 705 [2024-11-10 19:09:27,688 INFO L226 Difference]: Without dead ends: 704 [2024-11-10 19:09:27,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=187, Invalid=868, Unknown=1, NotChecked=0, Total=1056 [2024-11-10 19:09:27,689 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 714 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:27,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 1023 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:09:27,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-10 19:09:27,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 565. [2024-11-10 19:09:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 461 states have (on average 1.4989154013015185) internal successors, (691), 510 states have internal predecessors, (691), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 19:09:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 795 transitions. [2024-11-10 19:09:27,735 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 795 transitions. Word has length 102 [2024-11-10 19:09:27,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:27,736 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 795 transitions. [2024-11-10 19:09:27,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:27,736 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 795 transitions. [2024-11-10 19:09:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 19:09:27,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:27,737 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:27,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-10 19:09:27,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:27,937 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:27,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:27,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1154094320, now seen corresponding path program 1 times [2024-11-10 19:09:27,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:27,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846326738] [2024-11-10 19:09:27,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:27,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:09:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:09:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:09:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:09:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:09:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:09:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,117 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:28,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:28,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846326738] [2024-11-10 19:09:28,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846326738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:28,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169288847] [2024-11-10 19:09:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:28,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:28,119 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:28,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:09:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:09:28,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:28,348 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:28,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:28,555 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:28,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169288847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:09:28,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:09:28,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 20 [2024-11-10 19:09:28,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286842895] [2024-11-10 19:09:28,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:28,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 19:09:28,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:28,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 19:09:28,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:09:28,557 INFO L87 Difference]: Start difference. First operand 565 states and 795 transitions. Second operand has 20 states, 20 states have (on average 6.9) internal successors, (138), 19 states have internal predecessors, (138), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-10 19:09:30,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:30,082 INFO L93 Difference]: Finished difference Result 1144 states and 1513 transitions. [2024-11-10 19:09:30,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-10 19:09:30,083 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.9) internal successors, (138), 19 states have internal predecessors, (138), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 102 [2024-11-10 19:09:30,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:30,084 INFO L225 Difference]: With dead ends: 1144 [2024-11-10 19:09:30,085 INFO L226 Difference]: Without dead ends: 690 [2024-11-10 19:09:30,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=611, Invalid=2145, Unknown=0, NotChecked=0, Total=2756 [2024-11-10 19:09:30,086 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 1516 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:30,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 774 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:09:30,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-10 19:09:30,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 568. [2024-11-10 19:09:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 468 states have (on average 1.420940170940171) internal successors, (665), 517 states have internal predecessors, (665), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 19:09:30,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 761 transitions. [2024-11-10 19:09:30,137 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 761 transitions. Word has length 102 [2024-11-10 19:09:30,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:30,138 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 761 transitions. [2024-11-10 19:09:30,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.9) internal successors, (138), 19 states have internal predecessors, (138), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-10 19:09:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 761 transitions. [2024-11-10 19:09:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-10 19:09:30,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:30,139 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1] [2024-11-10 19:09:30,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:30,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:09:30,344 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:30,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:30,344 INFO L85 PathProgramCache]: Analyzing trace with hash -861066173, now seen corresponding path program 1 times [2024-11-10 19:09:30,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:30,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807388585] [2024-11-10 19:09:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:30,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1363983581] [2024-11-10 19:09:30,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:30,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:30,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:30,370 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:30,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:09:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:30,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:09:30,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:30,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:30,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:30,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807388585] [2024-11-10 19:09:30,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:30,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363983581] [2024-11-10 19:09:30,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363983581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:30,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:30,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:09:30,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724301695] [2024-11-10 19:09:30,961 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:30,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:09:30,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:30,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:09:30,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:09:30,962 INFO L87 Difference]: Start difference. First operand 568 states and 761 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:31,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:31,495 INFO L93 Difference]: Finished difference Result 620 states and 797 transitions. [2024-11-10 19:09:31,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:09:31,495 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2024-11-10 19:09:31,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:31,497 INFO L225 Difference]: With dead ends: 620 [2024-11-10 19:09:31,497 INFO L226 Difference]: Without dead ends: 619 [2024-11-10 19:09:31,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:09:31,497 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 304 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:31,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 632 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:09:31,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-10 19:09:31,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 579. [2024-11-10 19:09:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 479 states have (on average 1.4237995824634655) internal successors, (682), 528 states have internal predecessors, (682), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 19:09:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 778 transitions. [2024-11-10 19:09:31,527 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 778 transitions. Word has length 103 [2024-11-10 19:09:31,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:31,527 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 778 transitions. [2024-11-10 19:09:31,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 778 transitions. [2024-11-10 19:09:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:09:31,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:31,529 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1] [2024-11-10 19:09:31,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:31,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:09:31,729 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:31,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:31,730 INFO L85 PathProgramCache]: Analyzing trace with hash -923247601, now seen corresponding path program 1 times [2024-11-10 19:09:31,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:31,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275378716] [2024-11-10 19:09:31,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:31,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:31,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410152455] [2024-11-10 19:09:31,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:31,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:31,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:31,744 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:31,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:09:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:31,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:09:31,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:32,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:33,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:33,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275378716] [2024-11-10 19:09:33,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:33,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410152455] [2024-11-10 19:09:33,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410152455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:33,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:33,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:09:33,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460641424] [2024-11-10 19:09:33,046 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:33,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:09:33,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:33,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:09:33,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:09:33,047 INFO L87 Difference]: Start difference. First operand 579 states and 778 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:33,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:33,607 INFO L93 Difference]: Finished difference Result 620 states and 796 transitions. [2024-11-10 19:09:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:09:33,607 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 104 [2024-11-10 19:09:33,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:33,610 INFO L225 Difference]: With dead ends: 620 [2024-11-10 19:09:33,610 INFO L226 Difference]: Without dead ends: 619 [2024-11-10 19:09:33,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:09:33,610 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 340 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:33,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 648 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:09:33,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-10 19:09:33,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 580. [2024-11-10 19:09:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 480 states have (on average 1.4229166666666666) internal successors, (683), 529 states have internal predecessors, (683), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 19:09:33,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 779 transitions. [2024-11-10 19:09:33,648 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 779 transitions. Word has length 104 [2024-11-10 19:09:33,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:33,648 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 779 transitions. [2024-11-10 19:09:33,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 779 transitions. [2024-11-10 19:09:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-10 19:09:33,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:33,650 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:33,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:33,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:09:33,851 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:33,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:33,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1444095425, now seen corresponding path program 1 times [2024-11-10 19:09:33,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:33,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568349218] [2024-11-10 19:09:33,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:33,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:33,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [992849940] [2024-11-10 19:09:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:33,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:33,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:33,863 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:33,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:09:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:09:33,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:34,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:35,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:35,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568349218] [2024-11-10 19:09:35,400 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:35,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992849940] [2024-11-10 19:09:35,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992849940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:35,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:35,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:09:35,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090044813] [2024-11-10 19:09:35,401 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:35,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:09:35,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:35,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:09:35,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:09:35,402 INFO L87 Difference]: Start difference. First operand 580 states and 779 transitions. Second operand has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:36,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:36,285 INFO L93 Difference]: Finished difference Result 620 states and 795 transitions. [2024-11-10 19:09:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:09:36,285 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 105 [2024-11-10 19:09:36,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:36,287 INFO L225 Difference]: With dead ends: 620 [2024-11-10 19:09:36,287 INFO L226 Difference]: Without dead ends: 619 [2024-11-10 19:09:36,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:09:36,288 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 310 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:36,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 605 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:09:36,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-10 19:09:36,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 581. [2024-11-10 19:09:36,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 481 states have (on average 1.4220374220374221) internal successors, (684), 530 states have internal predecessors, (684), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 19:09:36,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 780 transitions. [2024-11-10 19:09:36,333 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 780 transitions. Word has length 105 [2024-11-10 19:09:36,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:36,334 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 780 transitions. [2024-11-10 19:09:36,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 780 transitions. [2024-11-10 19:09:36,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 19:09:36,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:36,335 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:36,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:36,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:36,535 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:36,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:36,536 INFO L85 PathProgramCache]: Analyzing trace with hash 43190945, now seen corresponding path program 1 times [2024-11-10 19:09:36,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:36,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689833134] [2024-11-10 19:09:36,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:36,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:09:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:09:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:09:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:09:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:09:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:09:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 19:09:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 19:09:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:09:36,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:36,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689833134] [2024-11-10 19:09:36,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689833134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:36,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:36,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:09:36,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144887184] [2024-11-10 19:09:36,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:36,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:09:36,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:36,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:09:36,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:09:36,621 INFO L87 Difference]: Start difference. First operand 581 states and 780 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:09:36,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:36,836 INFO L93 Difference]: Finished difference Result 631 states and 792 transitions. [2024-11-10 19:09:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:09:36,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 107 [2024-11-10 19:09:36,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:36,838 INFO L225 Difference]: With dead ends: 631 [2024-11-10 19:09:36,838 INFO L226 Difference]: Without dead ends: 508 [2024-11-10 19:09:36,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:09:36,839 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 26 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:36,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 459 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:09:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-10 19:09:36,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 484. [2024-11-10 19:09:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 396 states have (on average 1.4166666666666667) internal successors, (561), 445 states have internal predecessors, (561), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:09:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 633 transitions. [2024-11-10 19:09:36,872 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 633 transitions. Word has length 107 [2024-11-10 19:09:36,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:36,872 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 633 transitions. [2024-11-10 19:09:36,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:09:36,872 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 633 transitions. [2024-11-10 19:09:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 19:09:36,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:36,873 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:36,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-10 19:09:36,874 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:36,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:36,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1817285197, now seen corresponding path program 1 times [2024-11-10 19:09:36,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:36,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863695892] [2024-11-10 19:09:36,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:36,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:36,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [845505366] [2024-11-10 19:09:36,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:36,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:36,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:36,900 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:36,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 19:09:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:09:36,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:37,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:40,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:40,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863695892] [2024-11-10 19:09:40,769 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:40,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845505366] [2024-11-10 19:09:40,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845505366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:40,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:40,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-10 19:09:40,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920648299] [2024-11-10 19:09:40,770 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:40,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:09:40,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:40,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:09:40,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:09:40,771 INFO L87 Difference]: Start difference. First operand 484 states and 633 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:41,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:41,751 INFO L93 Difference]: Finished difference Result 509 states and 651 transitions. [2024-11-10 19:09:41,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:09:41,752 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 106 [2024-11-10 19:09:41,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:41,753 INFO L225 Difference]: With dead ends: 509 [2024-11-10 19:09:41,753 INFO L226 Difference]: Without dead ends: 508 [2024-11-10 19:09:41,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:09:41,754 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 402 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:41,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 462 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:09:41,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-10 19:09:41,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 488. [2024-11-10 19:09:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 400 states have (on average 1.4125) internal successors, (565), 449 states have internal predecessors, (565), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:09:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 637 transitions. [2024-11-10 19:09:41,776 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 637 transitions. Word has length 106 [2024-11-10 19:09:41,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:41,776 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 637 transitions. [2024-11-10 19:09:41,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 637 transitions. [2024-11-10 19:09:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 19:09:41,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:41,777 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:41,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:41,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-10 19:09:41,977 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:41,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:41,978 INFO L85 PathProgramCache]: Analyzing trace with hash 501266239, now seen corresponding path program 1 times [2024-11-10 19:09:41,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:41,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443189388] [2024-11-10 19:09:41,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:41,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:41,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803135895] [2024-11-10 19:09:41,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:41,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:41,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:41,992 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:41,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-10 19:09:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:42,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:09:42,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:42,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:49,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:49,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443189388] [2024-11-10 19:09:49,986 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:49,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803135895] [2024-11-10 19:09:49,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803135895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:49,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:49,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:09:49,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77199435] [2024-11-10 19:09:49,987 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:49,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:09:49,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:49,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:09:49,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=210, Unknown=2, NotChecked=0, Total=272 [2024-11-10 19:09:49,988 INFO L87 Difference]: Start difference. First operand 488 states and 637 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:50,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:50,650 INFO L93 Difference]: Finished difference Result 511 states and 652 transitions. [2024-11-10 19:09:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:09:50,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 107 [2024-11-10 19:09:50,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:50,652 INFO L225 Difference]: With dead ends: 511 [2024-11-10 19:09:50,652 INFO L226 Difference]: Without dead ends: 510 [2024-11-10 19:09:50,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=116, Invalid=344, Unknown=2, NotChecked=0, Total=462 [2024-11-10 19:09:50,653 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 403 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:50,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 428 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:09:50,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-10 19:09:50,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 489. [2024-11-10 19:09:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 401 states have (on average 1.4114713216957606) internal successors, (566), 450 states have internal predecessors, (566), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:09:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 638 transitions. [2024-11-10 19:09:50,680 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 638 transitions. Word has length 107 [2024-11-10 19:09:50,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:50,680 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 638 transitions. [2024-11-10 19:09:50,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 638 transitions. [2024-11-10 19:09:50,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-10 19:09:50,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:50,681 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:50,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:50,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:50,882 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:50,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:50,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1640615797, now seen corresponding path program 1 times [2024-11-10 19:09:50,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:50,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918739181] [2024-11-10 19:09:50,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:50,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:50,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711346640] [2024-11-10 19:09:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:50,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:50,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:50,897 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:50,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-10 19:09:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:50,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:09:50,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:51,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:56,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:56,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918739181] [2024-11-10 19:09:56,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:56,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711346640] [2024-11-10 19:09:56,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711346640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:56,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:56,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:09:56,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921561919] [2024-11-10 19:09:56,991 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:56,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:09:56,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:56,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:09:56,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=213, Unknown=3, NotChecked=0, Total=272 [2024-11-10 19:09:56,992 INFO L87 Difference]: Start difference. First operand 489 states and 638 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:57,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:57,634 INFO L93 Difference]: Finished difference Result 513 states and 653 transitions. [2024-11-10 19:09:57,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:09:57,634 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2024-11-10 19:09:57,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:57,635 INFO L225 Difference]: With dead ends: 513 [2024-11-10 19:09:57,635 INFO L226 Difference]: Without dead ends: 512 [2024-11-10 19:09:57,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=97, Invalid=320, Unknown=3, NotChecked=0, Total=420 [2024-11-10 19:09:57,636 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 323 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:57,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 518 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:09:57,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-10 19:09:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 490. [2024-11-10 19:09:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 402 states have (on average 1.4104477611940298) internal successors, (567), 451 states have internal predecessors, (567), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 19:09:57,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 639 transitions. [2024-11-10 19:09:57,660 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 639 transitions. Word has length 108 [2024-11-10 19:09:57,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:57,660 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 639 transitions. [2024-11-10 19:09:57,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:09:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 639 transitions. [2024-11-10 19:09:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:09:57,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:57,661 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:57,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:57,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-10 19:09:57,862 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-10 19:09:57,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:57,862 INFO L85 PathProgramCache]: Analyzing trace with hash 680517821, now seen corresponding path program 1 times [2024-11-10 19:09:57,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:57,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242405936] [2024-11-10 19:09:57,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:57,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:57,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22952653] [2024-11-10 19:09:57,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:57,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:57,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:57,875 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:57,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-10 19:09:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:57,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:09:57,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:09:58,680 INFO L311 TraceCheckSpWp]: Computing backward predicates...