./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ba6c159d5a75336b71b2a638ad3dc3de6683b2c20813e420caa2034bf261c2c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:42:52,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:42:52,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:42:52,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:42:52,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:42:52,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:42:52,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:42:52,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:42:52,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:42:52,787 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:42:52,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:42:52,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:42:52,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:42:52,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:42:52,791 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:42:52,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:42:52,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:42:52,792 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:42:52,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:42:52,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:42:52,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:42:52,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:42:52,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:42:52,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:42:52,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:42:52,797 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:42:52,798 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:42:52,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:42:52,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:42:52,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:42:52,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:42:52,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:42:52,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:42:52,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:42:52,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:42:52,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:42:52,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:42:52,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:42:52,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:42:52,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:42:52,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:42:52,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:42:52,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:42:52,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:42:52,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ba6c159d5a75336b71b2a638ad3dc3de6683b2c20813e420caa2034bf261c2c [2024-10-11 20:42:53,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:42:53,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:42:53,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:42:53,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:42:53,086 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:42:53,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c [2024-10-11 20:42:54,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:42:54,683 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:42:54,684 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c [2024-10-11 20:42:54,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f5cbd546b/3b242ad196c84bd9953ff42cfdd22b5b/FLAG3dcdbd95c [2024-10-11 20:42:54,703 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f5cbd546b/3b242ad196c84bd9953ff42cfdd22b5b [2024-10-11 20:42:54,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:42:54,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:42:54,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:42:54,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:42:54,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:42:54,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:54,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433b61cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54, skipping insertion in model container [2024-10-11 20:42:54,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:54,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:42:54,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:42:54,920 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:42:54,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:42:54,958 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:42:54,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54 WrapperNode [2024-10-11 20:42:54,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:42:54,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:42:54,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:42:54,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:42:54,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:54,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,000 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2024-10-11 20:42:55,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:42:55,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:42:55,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:42:55,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:42:55,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,028 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 20:42:55,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:42:55,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:42:55,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:42:55,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:42:55,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (1/1) ... [2024-10-11 20:42:55,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:42:55,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:55,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:42:55,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:42:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:42:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 20:42:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 20:42:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:42:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:42:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:42:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:42:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:42:55,201 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:42:55,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:42:55,902 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-10-11 20:42:55,903 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:42:55,930 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:42:55,930 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-11 20:42:55,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:42:55 BoogieIcfgContainer [2024-10-11 20:42:55,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:42:55,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:42:55,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:42:55,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:42:55,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:42:54" (1/3) ... [2024-10-11 20:42:55,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3bf109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:42:55, skipping insertion in model container [2024-10-11 20:42:55,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:54" (2/3) ... [2024-10-11 20:42:55,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3bf109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:42:55, skipping insertion in model container [2024-10-11 20:42:55,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:42:55" (3/3) ... [2024-10-11 20:42:55,942 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound1.c [2024-10-11 20:42:55,959 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:42:55,959 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-10-11 20:42:56,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:42:56,031 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;@1a791813, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:42:56,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-10-11 20:42:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 75 states have (on average 1.8933333333333333) internal successors, (142), 131 states have internal predecessors, (142), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 20:42:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:42:56,042 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:56,043 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:56,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:56,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:56,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1950571926, now seen corresponding path program 1 times [2024-10-11 20:42:56,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:56,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327995042] [2024-10-11 20:42:56,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:56,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:42:56,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:56,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327995042] [2024-10-11 20:42:56,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327995042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:56,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:56,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:42:56,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346527632] [2024-10-11 20:42:56,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:56,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:42:56,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:56,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:42:56,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:42:56,218 INFO L87 Difference]: Start difference. First operand has 141 states, 75 states have (on average 1.8933333333333333) internal successors, (142), 131 states have internal predecessors, (142), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:42:56,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:56,252 INFO L93 Difference]: Finished difference Result 280 states and 316 transitions. [2024-10-11 20:42:56,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:42:56,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-11 20:42:56,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:56,262 INFO L225 Difference]: With dead ends: 280 [2024-10-11 20:42:56,263 INFO L226 Difference]: Without dead ends: 138 [2024-10-11 20:42:56,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:42:56,272 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:56,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:42:56,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-11 20:42:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-10-11 20:42:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 74 states have (on average 1.8243243243243243) internal successors, (135), 129 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:42:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 147 transitions. [2024-10-11 20:42:56,309 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 147 transitions. Word has length 14 [2024-10-11 20:42:56,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:56,310 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 147 transitions. [2024-10-11 20:42:56,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:42:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2024-10-11 20:42:56,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:42:56,311 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:56,311 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:56,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:42:56,312 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:56,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:56,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1192253431, now seen corresponding path program 1 times [2024-10-11 20:42:56,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:56,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028769950] [2024-10-11 20:42:56,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:56,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:42:56,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:56,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028769950] [2024-10-11 20:42:56,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028769950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:56,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:56,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:56,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904552851] [2024-10-11 20:42:56,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:56,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:56,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:56,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:56,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:56,516 INFO L87 Difference]: Start difference. First operand 138 states and 147 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:56,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:56,593 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2024-10-11 20:42:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:42:56,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-11 20:42:56,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:56,597 INFO L225 Difference]: With dead ends: 172 [2024-10-11 20:42:56,597 INFO L226 Difference]: Without dead ends: 142 [2024-10-11 20:42:56,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:56,599 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 9 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:56,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 412 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:42:56,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-11 20:42:56,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-10-11 20:42:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 133 states have internal predecessors, (139), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:42:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 151 transitions. [2024-10-11 20:42:56,612 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 151 transitions. Word has length 14 [2024-10-11 20:42:56,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:56,613 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 151 transitions. [2024-10-11 20:42:56,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:56,614 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 151 transitions. [2024-10-11 20:42:56,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 20:42:56,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:56,615 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:56,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:42:56,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:56,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:56,617 INFO L85 PathProgramCache]: Analyzing trace with hash -378586418, now seen corresponding path program 1 times [2024-10-11 20:42:56,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:56,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065554300] [2024-10-11 20:42:56,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:56,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:42:56,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:56,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065554300] [2024-10-11 20:42:56,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065554300] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:56,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:56,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:42:56,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2628062] [2024-10-11 20:42:56,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:56,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:42:56,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:56,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:42:56,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:42:56,826 INFO L87 Difference]: Start difference. First operand 142 states and 151 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, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:57,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:57,165 INFO L93 Difference]: Finished difference Result 240 states and 263 transitions. [2024-10-11 20:42:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:57,166 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, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-10-11 20:42:57,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:57,167 INFO L225 Difference]: With dead ends: 240 [2024-10-11 20:42:57,168 INFO L226 Difference]: Without dead ends: 212 [2024-10-11 20:42:57,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:57,169 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 253 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:57,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 383 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:57,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-11 20:42:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 143. [2024-10-11 20:42:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:42:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2024-10-11 20:42:57,183 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 18 [2024-10-11 20:42:57,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:57,184 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2024-10-11 20:42:57,184 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, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:57,184 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2024-10-11 20:42:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 20:42:57,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:57,185 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:57,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:42:57,185 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:57,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:57,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1148721162, now seen corresponding path program 1 times [2024-10-11 20:42:57,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:57,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717908114] [2024-10-11 20:42:57,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:57,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:57,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:57,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:42:57,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:57,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717908114] [2024-10-11 20:42:57,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717908114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:57,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:57,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:42:57,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829780687] [2024-10-11 20:42:57,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:57,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:42:57,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:57,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:42:57,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:57,301 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:57,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:57,388 INFO L93 Difference]: Finished difference Result 300 states and 319 transitions. [2024-10-11 20:42:57,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:57,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-10-11 20:42:57,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:57,390 INFO L225 Difference]: With dead ends: 300 [2024-10-11 20:42:57,391 INFO L226 Difference]: Without dead ends: 170 [2024-10-11 20:42:57,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:42:57,393 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 34 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:57,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 801 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:42:57,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-10-11 20:42:57,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 147. [2024-10-11 20:42:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 83 states have (on average 1.7469879518072289) internal successors, (145), 138 states have internal predecessors, (145), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:42:57,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2024-10-11 20:42:57,404 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 19 [2024-10-11 20:42:57,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:57,404 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2024-10-11 20:42:57,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2024-10-11 20:42:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 20:42:57,405 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:57,405 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:57,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:42:57,406 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:57,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:57,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1250617717, now seen corresponding path program 1 times [2024-10-11 20:42:57,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:57,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756361460] [2024-10-11 20:42:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:57,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:57,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:57,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:42:57,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:57,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756361460] [2024-10-11 20:42:57,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756361460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:57,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:57,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:42:57,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263578952] [2024-10-11 20:42:57,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:57,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:42:57,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:57,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:42:57,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:57,523 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:57,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:57,590 INFO L93 Difference]: Finished difference Result 148 states and 157 transitions. [2024-10-11 20:42:57,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:42:57,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-10-11 20:42:57,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:57,592 INFO L225 Difference]: With dead ends: 148 [2024-10-11 20:42:57,592 INFO L226 Difference]: Without dead ends: 147 [2024-10-11 20:42:57,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:42:57,594 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 16 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:57,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 540 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:42:57,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-11 20:42:57,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-11 20:42:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 83 states have (on average 1.7349397590361446) internal successors, (144), 138 states have internal predecessors, (144), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:42:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 156 transitions. [2024-10-11 20:42:57,613 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 156 transitions. Word has length 20 [2024-10-11 20:42:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:57,614 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 156 transitions. [2024-10-11 20:42:57,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2024-10-11 20:42:57,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 20:42:57,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:57,615 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:57,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:42:57,615 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:57,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:57,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1688817137, now seen corresponding path program 1 times [2024-10-11 20:42:57,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:57,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484666863] [2024-10-11 20:42:57,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:57,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:57,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785715139] [2024-10-11 20:42:57,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:57,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:57,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:57,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:57,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:42:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:57,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:42:57,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:42:57,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:57,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:57,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484666863] [2024-10-11 20:42:57,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:57,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785715139] [2024-10-11 20:42:57,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785715139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:57,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:57,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:42:57,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269454761] [2024-10-11 20:42:57,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:57,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:42:57,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:57,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:42:57,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:57,751 INFO L87 Difference]: Start difference. First operand 147 states and 156 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:57,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:57,998 INFO L93 Difference]: Finished difference Result 154 states and 165 transitions. [2024-10-11 20:42:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:42:57,999 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-11 20:42:57,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:58,000 INFO L225 Difference]: With dead ends: 154 [2024-10-11 20:42:58,000 INFO L226 Difference]: Without dead ends: 152 [2024-10-11 20:42:58,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:58,001 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 3 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:58,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 252 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:42:58,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-11 20:42:58,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2024-10-11 20:42:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 86 states have (on average 1.7093023255813953) internal successors, (147), 141 states have internal predecessors, (147), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:42:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 159 transitions. [2024-10-11 20:42:58,014 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 159 transitions. Word has length 23 [2024-10-11 20:42:58,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:58,014 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 159 transitions. [2024-10-11 20:42:58,017 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2024-10-11 20:42:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:42:58,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:58,018 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:58,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:42:58,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:58,223 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:58,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:58,223 INFO L85 PathProgramCache]: Analyzing trace with hash 544374449, now seen corresponding path program 1 times [2024-10-11 20:42:58,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:58,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237978631] [2024-10-11 20:42:58,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:58,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:42:58,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:58,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237978631] [2024-10-11 20:42:58,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237978631] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:58,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:58,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:42:58,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268220591] [2024-10-11 20:42:58,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:58,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:58,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:58,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:58,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:58,366 INFO L87 Difference]: Start difference. First operand 150 states and 159 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:58,533 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2024-10-11 20:42:58,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:42:58,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-10-11 20:42:58,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:58,535 INFO L225 Difference]: With dead ends: 153 [2024-10-11 20:42:58,535 INFO L226 Difference]: Without dead ends: 152 [2024-10-11 20:42:58,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:58,536 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:58,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 397 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:42:58,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-11 20:42:58,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 151. [2024-10-11 20:42:58,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 87 states have (on average 1.7011494252873562) internal successors, (148), 142 states have internal predecessors, (148), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:42:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 160 transitions. [2024-10-11 20:42:58,550 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 160 transitions. Word has length 25 [2024-10-11 20:42:58,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:58,550 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 160 transitions. [2024-10-11 20:42:58,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2024-10-11 20:42:58,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:42:58,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:58,553 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:58,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 20:42:58,553 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:58,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:58,553 INFO L85 PathProgramCache]: Analyzing trace with hash -304261098, now seen corresponding path program 1 times [2024-10-11 20:42:58,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:58,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079401139] [2024-10-11 20:42:58,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:58,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:58,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169123812] [2024-10-11 20:42:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:58,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:58,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:58,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:58,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:42:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:58,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:42:58,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:58,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:58,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079401139] [2024-10-11 20:42:58,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:58,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169123812] [2024-10-11 20:42:58,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169123812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:58,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:58,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:58,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954421305] [2024-10-11 20:42:58,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:58,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:58,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:58,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:58,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:58,750 INFO L87 Difference]: Start difference. First operand 151 states and 160 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:58,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:58,917 INFO L93 Difference]: Finished difference Result 153 states and 162 transitions. [2024-10-11 20:42:58,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:58,918 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-10-11 20:42:58,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:58,919 INFO L225 Difference]: With dead ends: 153 [2024-10-11 20:42:58,919 INFO L226 Difference]: Without dead ends: 152 [2024-10-11 20:42:58,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:58,920 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 3 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:58,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 351 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:42:58,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-11 20:42:58,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-10-11 20:42:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 88 states have (on average 1.6931818181818181) internal successors, (149), 143 states have internal predecessors, (149), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:42:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 161 transitions. [2024-10-11 20:42:58,927 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 161 transitions. Word has length 26 [2024-10-11 20:42:58,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:58,927 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 161 transitions. [2024-10-11 20:42:58,928 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 161 transitions. [2024-10-11 20:42:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:42:58,929 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:58,929 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:58,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:42:59,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:59,134 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:59,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:59,134 INFO L85 PathProgramCache]: Analyzing trace with hash -842159277, now seen corresponding path program 1 times [2024-10-11 20:42:59,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:59,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670837909] [2024-10-11 20:42:59,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:59,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:59,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [442428529] [2024-10-11 20:42:59,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:59,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:59,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:59,150 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:59,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:42:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:42:59,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:59,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:42:59,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:59,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:59,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670837909] [2024-10-11 20:42:59,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:59,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442428529] [2024-10-11 20:42:59,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442428529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:59,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:59,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:42:59,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119485162] [2024-10-11 20:42:59,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:59,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:42:59,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:59,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:42:59,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:59,219 INFO L87 Difference]: Start difference. First operand 152 states and 161 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:59,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:59,289 INFO L93 Difference]: Finished difference Result 235 states and 260 transitions. [2024-10-11 20:42:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:42:59,289 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-11 20:42:59,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:59,290 INFO L225 Difference]: With dead ends: 235 [2024-10-11 20:42:59,290 INFO L226 Difference]: Without dead ends: 229 [2024-10-11 20:42:59,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:59,291 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 66 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:59,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 241 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:42:59,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-11 20:42:59,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 197. [2024-10-11 20:42:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 129 states have (on average 1.7209302325581395) internal successors, (222), 184 states have internal predecessors, (222), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:42:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 242 transitions. [2024-10-11 20:42:59,305 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 242 transitions. Word has length 27 [2024-10-11 20:42:59,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:59,305 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 242 transitions. [2024-10-11 20:42:59,305 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 242 transitions. [2024-10-11 20:42:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 20:42:59,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:59,308 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:59,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:59,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:59,509 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:59,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:59,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1861208075, now seen corresponding path program 1 times [2024-10-11 20:42:59,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:59,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489538592] [2024-10-11 20:42:59,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:59,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:42:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:42:59,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:59,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489538592] [2024-10-11 20:42:59,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489538592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:59,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:59,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:42:59,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36386619] [2024-10-11 20:42:59,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:59,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:59,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:59,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:59,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:59,680 INFO L87 Difference]: Start difference. First operand 197 states and 242 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:59,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:59,910 INFO L93 Difference]: Finished difference Result 202 states and 248 transitions. [2024-10-11 20:42:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:42:59,912 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-10-11 20:42:59,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:59,915 INFO L225 Difference]: With dead ends: 202 [2024-10-11 20:42:59,916 INFO L226 Difference]: Without dead ends: 201 [2024-10-11 20:42:59,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:59,917 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:59,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 401 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:42:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-10-11 20:42:59,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2024-10-11 20:42:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 132 states have (on average 1.7045454545454546) internal successors, (225), 187 states have internal predecessors, (225), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:42:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 245 transitions. [2024-10-11 20:42:59,930 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 245 transitions. Word has length 29 [2024-10-11 20:42:59,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:59,930 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 245 transitions. [2024-10-11 20:42:59,932 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:42:59,932 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 245 transitions. [2024-10-11 20:42:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:42:59,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:59,932 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:59,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:42:59,933 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:42:59,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:59,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1862875302, now seen corresponding path program 1 times [2024-10-11 20:42:59,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:59,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206487397] [2024-10-11 20:42:59,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:59,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:59,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616744118] [2024-10-11 20:42:59,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:59,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:59,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:59,954 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:59,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:43:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:43:00,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:43:00,087 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:00,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:00,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206487397] [2024-10-11 20:43:00,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:00,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616744118] [2024-10-11 20:43:00,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616744118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:00,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:00,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:43:00,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370589330] [2024-10-11 20:43:00,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:00,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:43:00,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:00,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:43:00,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:00,088 INFO L87 Difference]: Start difference. First operand 200 states and 245 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:00,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:00,471 INFO L93 Difference]: Finished difference Result 202 states and 247 transitions. [2024-10-11 20:43:00,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:43:00,472 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-10-11 20:43:00,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:00,473 INFO L225 Difference]: With dead ends: 202 [2024-10-11 20:43:00,473 INFO L226 Difference]: Without dead ends: 201 [2024-10-11 20:43:00,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:00,474 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:00,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:43:00,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-10-11 20:43:00,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2024-10-11 20:43:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 133 states have (on average 1.699248120300752) internal successors, (226), 188 states have internal predecessors, (226), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:43:00,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2024-10-11 20:43:00,485 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 30 [2024-10-11 20:43:00,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:00,485 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2024-10-11 20:43:00,485 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:00,485 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2024-10-11 20:43:00,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:43:00,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:00,487 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:00,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:43:00,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:43:00,688 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:00,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:00,689 INFO L85 PathProgramCache]: Analyzing trace with hash 778198492, now seen corresponding path program 1 times [2024-10-11 20:43:00,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:00,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749360192] [2024-10-11 20:43:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:00,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:43:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:43:00,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:00,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749360192] [2024-10-11 20:43:00,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749360192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:00,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:00,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:43:00,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17075156] [2024-10-11 20:43:00,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:00,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:43:00,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:00,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:43:00,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:00,749 INFO L87 Difference]: Start difference. First operand 201 states and 246 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:00,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:00,782 INFO L93 Difference]: Finished difference Result 234 states and 280 transitions. [2024-10-11 20:43:00,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:43:00,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-10-11 20:43:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:00,784 INFO L225 Difference]: With dead ends: 234 [2024-10-11 20:43:00,784 INFO L226 Difference]: Without dead ends: 59 [2024-10-11 20:43:00,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:43:00,786 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 33 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:00,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 159 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:43:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-11 20:43:00,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-11 20:43:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 55 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2024-10-11 20:43:00,790 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 32 [2024-10-11 20:43:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:00,790 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2024-10-11 20:43:00,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2024-10-11 20:43:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:43:00,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:00,791 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:00,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 20:43:00,792 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:00,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:00,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1645650480, now seen corresponding path program 1 times [2024-10-11 20:43:00,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:00,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557493408] [2024-10-11 20:43:00,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:43:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:43:00,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:00,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557493408] [2024-10-11 20:43:00,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557493408] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:00,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061632131] [2024-10-11 20:43:00,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:00,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:00,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:00,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:00,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:43:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:43:00,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:00,999 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:43:01,000 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:01,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061632131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:01,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:01,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2024-10-11 20:43:01,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97223001] [2024-10-11 20:43:01,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:01,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:43:01,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:01,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:43:01,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:01,002 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:01,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:01,081 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2024-10-11 20:43:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:01,082 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-10-11 20:43:01,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:01,083 INFO L225 Difference]: With dead ends: 59 [2024-10-11 20:43:01,083 INFO L226 Difference]: Without dead ends: 58 [2024-10-11 20:43:01,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:43:01,084 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 27 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:01,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 212 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:43:01,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-11 20:43:01,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-10-11 20:43:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 54 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2024-10-11 20:43:01,087 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 33 [2024-10-11 20:43:01,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:01,087 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2024-10-11 20:43:01,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2024-10-11 20:43:01,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 20:43:01,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:01,088 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:01,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:01,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:43:01,293 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:01,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:01,293 INFO L85 PathProgramCache]: Analyzing trace with hash -922144715, now seen corresponding path program 1 times [2024-10-11 20:43:01,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:01,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544857491] [2024-10-11 20:43:01,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:01,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:01,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419332324] [2024-10-11 20:43:01,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:01,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:01,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:01,306 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:01,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:43:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:43:01,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:01,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:01,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:01,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544857491] [2024-10-11 20:43:01,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:01,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419332324] [2024-10-11 20:43:01,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419332324] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:01,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:01,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:43:01,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383045196] [2024-10-11 20:43:01,742 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:01,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:01,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:01,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:01,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:43:01,743 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand has 8 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:01,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:01,901 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2024-10-11 20:43:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:43:01,902 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2024-10-11 20:43:01,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:01,902 INFO L225 Difference]: With dead ends: 58 [2024-10-11 20:43:01,902 INFO L226 Difference]: Without dead ends: 57 [2024-10-11 20:43:01,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:43:01,903 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 44 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:01,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 91 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:43:01,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-11 20:43:01,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-11 20:43:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 53 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2024-10-11 20:43:01,907 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 35 [2024-10-11 20:43:01,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:01,907 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2024-10-11 20:43:01,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:01,907 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2024-10-11 20:43:01,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 20:43:01,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:01,908 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:01,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:02,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:43:02,113 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:02,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:02,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1478285089, now seen corresponding path program 1 times [2024-10-11 20:43:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:02,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154760990] [2024-10-11 20:43:02,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:02,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:02,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1301525560] [2024-10-11 20:43:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:02,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:02,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:02,127 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:02,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:43:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:43:02,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:02,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:03,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:03,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154760990] [2024-10-11 20:43:03,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:03,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301525560] [2024-10-11 20:43:03,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301525560] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:03,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:03,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:43:03,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264878380] [2024-10-11 20:43:03,127 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:03,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:03,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:03,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:03,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:43:03,128 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand has 8 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:03,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:03,281 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2024-10-11 20:43:03,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:03,281 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-10-11 20:43:03,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:03,282 INFO L225 Difference]: With dead ends: 57 [2024-10-11 20:43:03,282 INFO L226 Difference]: Without dead ends: 56 [2024-10-11 20:43:03,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:43:03,282 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 52 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:03,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 109 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:43:03,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-11 20:43:03,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-11 20:43:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 52 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2024-10-11 20:43:03,286 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 36 [2024-10-11 20:43:03,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:03,286 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2024-10-11 20:43:03,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:03,286 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2024-10-11 20:43:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 20:43:03,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:03,287 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:03,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:43:03,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:03,488 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:03,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:03,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1417802313, now seen corresponding path program 1 times [2024-10-11 20:43:03,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:03,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061163697] [2024-10-11 20:43:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:03,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:03,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1794124967] [2024-10-11 20:43:03,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:03,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:03,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:03,501 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:03,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:43:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:03,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:43:03,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:03,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:12,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:12,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061163697] [2024-10-11 20:43:12,041 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:12,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794124967] [2024-10-11 20:43:12,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794124967] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:12,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:12,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:43:12,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839453770] [2024-10-11 20:43:12,041 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:12,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:43:12,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:12,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:43:12,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=113, Unknown=2, NotChecked=0, Total=156 [2024-10-11 20:43:12,043 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand has 9 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:12,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:12,217 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2024-10-11 20:43:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:12,217 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-10-11 20:43:12,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:12,218 INFO L225 Difference]: With dead ends: 56 [2024-10-11 20:43:12,218 INFO L226 Difference]: Without dead ends: 55 [2024-10-11 20:43:12,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=41, Invalid=113, Unknown=2, NotChecked=0, Total=156 [2024-10-11 20:43:12,219 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 30 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:12,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 136 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:43:12,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-11 20:43:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-11 20:43:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 51 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2024-10-11 20:43:12,223 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 37 [2024-10-11 20:43:12,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:12,223 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2024-10-11 20:43:12,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2024-10-11 20:43:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 20:43:12,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:12,224 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:12,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:12,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 20:43:12,429 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:12,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:12,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1002198557, now seen corresponding path program 1 times [2024-10-11 20:43:12,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:12,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700209835] [2024-10-11 20:43:12,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:12,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:12,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641822489] [2024-10-11 20:43:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:12,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:12,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:12,444 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:12,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:43:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:12,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:43:12,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:12,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:18,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:18,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700209835] [2024-10-11 20:43:18,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:18,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641822489] [2024-10-11 20:43:18,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641822489] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:18,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:18,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:43:18,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454058365] [2024-10-11 20:43:18,589 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:18,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:43:18,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:18,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:43:18,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=111, Unknown=3, NotChecked=0, Total=156 [2024-10-11 20:43:18,591 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand has 9 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:18,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:18,784 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2024-10-11 20:43:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:18,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-10-11 20:43:18,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:18,785 INFO L225 Difference]: With dead ends: 55 [2024-10-11 20:43:18,785 INFO L226 Difference]: Without dead ends: 54 [2024-10-11 20:43:18,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=53, Invalid=126, Unknown=3, NotChecked=0, Total=182 [2024-10-11 20:43:18,786 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 31 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:18,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 115 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:43:18,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-11 20:43:18,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-11 20:43:18,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 50 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:18,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2024-10-11 20:43:18,792 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 38 [2024-10-11 20:43:18,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:18,792 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2024-10-11 20:43:18,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2024-10-11 20:43:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 20:43:18,793 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:18,793 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:18,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:18,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:43:18,994 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:18,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:18,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1003384007, now seen corresponding path program 1 times [2024-10-11 20:43:18,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:18,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214265376] [2024-10-11 20:43:18,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:19,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073868514] [2024-10-11 20:43:19,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:19,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:19,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:19,006 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:19,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:43:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:19,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:43:19,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:43:19,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:43:19,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:19,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214265376] [2024-10-11 20:43:19,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:19,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073868514] [2024-10-11 20:43:19,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073868514] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:19,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:43:19,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-10-11 20:43:19,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044487099] [2024-10-11 20:43:19,254 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:19,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:43:19,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:19,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:43:19,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:43:19,255 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:19,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:19,524 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2024-10-11 20:43:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:43:19,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2024-10-11 20:43:19,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:19,525 INFO L225 Difference]: With dead ends: 54 [2024-10-11 20:43:19,525 INFO L226 Difference]: Without dead ends: 53 [2024-10-11 20:43:19,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:43:19,526 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 20 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:19,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 122 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:19,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-11 20:43:19,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-11 20:43:19,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 49 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2024-10-11 20:43:19,529 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 39 [2024-10-11 20:43:19,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:19,530 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2024-10-11 20:43:19,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2024-10-11 20:43:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:43:19,530 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:19,530 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:19,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:43:19,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:43:19,735 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:19,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:19,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1040132955, now seen corresponding path program 1 times [2024-10-11 20:43:19,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:19,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53497346] [2024-10-11 20:43:19,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:19,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:19,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1147260392] [2024-10-11 20:43:19,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:19,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:19,754 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:19,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:43:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:19,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 20:43:19,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:43:19,977 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:40,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:40,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53497346] [2024-10-11 20:43:40,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:40,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147260392] [2024-10-11 20:43:40,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147260392] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:40,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:40,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:43:40,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801285161] [2024-10-11 20:43:40,105 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:40,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:43:40,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:40,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:43:40,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=136, Unknown=4, NotChecked=0, Total=182 [2024-10-11 20:43:40,106 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:40,219 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2024-10-11 20:43:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:40,219 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-10-11 20:43:40,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:40,220 INFO L225 Difference]: With dead ends: 53 [2024-10-11 20:43:40,220 INFO L226 Difference]: Without dead ends: 52 [2024-10-11 20:43:40,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=42, Invalid=136, Unknown=4, NotChecked=0, Total=182 [2024-10-11 20:43:40,221 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 36 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:40,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 140 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:43:40,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-11 20:43:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-11 20:43:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 41 states have (on average 1.170731707317073) internal successors, (48), 48 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-10-11 20:43:40,224 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 40 [2024-10-11 20:43:40,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:40,225 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2024-10-11 20:43:40,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-10-11 20:43:40,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:43:40,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:40,225 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:40,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:40,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:40,430 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:40,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:40,430 INFO L85 PathProgramCache]: Analyzing trace with hash 2115616955, now seen corresponding path program 1 times [2024-10-11 20:43:40,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:40,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189825795] [2024-10-11 20:43:40,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:40,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:40,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1727457882] [2024-10-11 20:43:40,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:40,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:40,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:40,443 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:40,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:43:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:40,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:43:40,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:40,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:40,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:40,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189825795] [2024-10-11 20:43:40,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:40,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727457882] [2024-10-11 20:43:40,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727457882] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:40,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:43:40,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-10-11 20:43:40,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381371908] [2024-10-11 20:43:40,971 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:40,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:43:40,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:40,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:43:40,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:43:40,972 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand has 12 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:43:41,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:41,316 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2024-10-11 20:43:41,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:43:41,316 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-10-11 20:43:41,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:41,317 INFO L225 Difference]: With dead ends: 52 [2024-10-11 20:43:41,317 INFO L226 Difference]: Without dead ends: 51 [2024-10-11 20:43:41,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:43:41,318 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 34 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:41,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 113 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:41,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-11 20:43:41,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-11 20:43:41,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.146341463414634) internal successors, (47), 47 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:41,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2024-10-11 20:43:41,322 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 41 [2024-10-11 20:43:41,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:41,323 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2024-10-11 20:43:41,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:43:41,323 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2024-10-11 20:43:41,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 20:43:41,325 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:41,325 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:41,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:41,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:41,526 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:41,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:41,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1159616359, now seen corresponding path program 1 times [2024-10-11 20:43:41,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:41,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935678101] [2024-10-11 20:43:41,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:41,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:41,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331481599] [2024-10-11 20:43:41,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:41,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:41,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:41,538 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:41,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:43:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:41,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:43:41,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:41,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:42,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:42,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935678101] [2024-10-11 20:43:42,708 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:42,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331481599] [2024-10-11 20:43:42,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331481599] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:42,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:42,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:43:42,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594631004] [2024-10-11 20:43:42,709 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:42,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:42,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:42,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:42,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:43:42,710 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:42,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:42,865 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2024-10-11 20:43:42,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:43:42,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2024-10-11 20:43:42,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:42,866 INFO L225 Difference]: With dead ends: 51 [2024-10-11 20:43:42,866 INFO L226 Difference]: Without dead ends: 50 [2024-10-11 20:43:42,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:43:42,867 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 26 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:42,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 83 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:43:42,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-11 20:43:42,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-11 20:43:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 46 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2024-10-11 20:43:42,870 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 42 [2024-10-11 20:43:42,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:42,870 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2024-10-11 20:43:42,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:43:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2024-10-11 20:43:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:43:42,871 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:42,871 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:42,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:43,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:43,076 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:43,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:43,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1588368957, now seen corresponding path program 1 times [2024-10-11 20:43:43,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:43,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755614554] [2024-10-11 20:43:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:43,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887958661] [2024-10-11 20:43:43,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:43,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:43,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:43,087 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:43,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:43:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:43,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:43:43,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:43,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:52,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:52,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755614554] [2024-10-11 20:43:52,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:52,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887958661] [2024-10-11 20:43:52,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887958661] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:52,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:43:52,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-10-11 20:43:52,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563889742] [2024-10-11 20:43:52,853 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:52,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:43:52,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:52,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:43:52,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=207, Unknown=2, NotChecked=0, Total=272 [2024-10-11 20:43:52,854 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand has 17 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:43:53,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:53,562 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2024-10-11 20:43:53,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:43:53,565 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-10-11 20:43:53,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:53,566 INFO L225 Difference]: With dead ends: 50 [2024-10-11 20:43:53,566 INFO L226 Difference]: Without dead ends: 49 [2024-10-11 20:43:53,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=73, Invalid=231, Unknown=2, NotChecked=0, Total=306 [2024-10-11 20:43:53,567 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 22 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:53,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 109 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:43:53,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-11 20:43:53,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-11 20:43:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 45 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2024-10-11 20:43:53,571 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 43 [2024-10-11 20:43:53,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:53,572 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2024-10-11 20:43:53,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:43:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2024-10-11 20:43:53,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:43:53,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:53,573 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:53,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:43:53,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 20:43:53,774 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:53,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:53,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1994797609, now seen corresponding path program 1 times [2024-10-11 20:43:53,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:53,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087286809] [2024-10-11 20:43:53,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:53,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:53,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519458819] [2024-10-11 20:43:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:53,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:53,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:53,787 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:53,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:43:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:53,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 20:43:53,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:54,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:54,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:54,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087286809] [2024-10-11 20:43:54,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:54,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519458819] [2024-10-11 20:43:54,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519458819] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:54,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:43:54,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-11 20:43:54,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59091668] [2024-10-11 20:43:54,909 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:54,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:43:54,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:54,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:43:54,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:43:54,910 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand has 15 states, 12 states have (on average 6.333333333333333) internal successors, (76), 13 states have internal predecessors, (76), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:43:55,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:55,258 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2024-10-11 20:43:55,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:55,258 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 6.333333333333333) internal successors, (76), 13 states have internal predecessors, (76), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 44 [2024-10-11 20:43:55,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:55,259 INFO L225 Difference]: With dead ends: 49 [2024-10-11 20:43:55,259 INFO L226 Difference]: Without dead ends: 48 [2024-10-11 20:43:55,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:43:55,260 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 12 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:55,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 94 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:55,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-11 20:43:55,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-11 20:43:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 44 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2024-10-11 20:43:55,262 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 44 [2024-10-11 20:43:55,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:55,263 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2024-10-11 20:43:55,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 6.333333333333333) internal successors, (76), 13 states have internal predecessors, (76), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:43:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2024-10-11 20:43:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:43:55,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:55,263 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:55,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:55,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:55,464 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:55,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:55,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1709183935, now seen corresponding path program 1 times [2024-10-11 20:43:55,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:55,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230994249] [2024-10-11 20:43:55,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:55,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:55,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300396586] [2024-10-11 20:43:55,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:55,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:55,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:55,482 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:55,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:43:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:55,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:43:55,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:55,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:57,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:57,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230994249] [2024-10-11 20:43:57,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:57,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300396586] [2024-10-11 20:43:57,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300396586] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:57,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:43:57,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-10-11 20:43:57,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830756037] [2024-10-11 20:43:57,985 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:57,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:43:57,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:57,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:43:57,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=184, Unknown=1, NotChecked=0, Total=240 [2024-10-11 20:43:57,986 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 16 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:43:58,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:58,437 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2024-10-11 20:43:58,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:58,438 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-10-11 20:43:58,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:58,438 INFO L225 Difference]: With dead ends: 48 [2024-10-11 20:43:58,438 INFO L226 Difference]: Without dead ends: 47 [2024-10-11 20:43:58,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=250, Unknown=1, NotChecked=0, Total=342 [2024-10-11 20:43:58,439 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 44 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:58,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 89 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:43:58,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-11 20:43:58,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-11 20:43:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 41 states have (on average 1.048780487804878) internal successors, (43), 43 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:43:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2024-10-11 20:43:58,442 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2024-10-11 20:43:58,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:58,442 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2024-10-11 20:43:58,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:43:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2024-10-11 20:43:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 20:43:58,443 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:58,443 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:58,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:43:58,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 20:43:58,643 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:43:58,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:58,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1445094635, now seen corresponding path program 1 times [2024-10-11 20:43:58,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:58,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396840424] [2024-10-11 20:43:58,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:58,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:58,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [719383104] [2024-10-11 20:43:58,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:58,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:58,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:58,655 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:58,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:43:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:58,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:43:58,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:58,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:43:58,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:44:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:44:04,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:44:04,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396840424] [2024-10-11 20:44:04,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:44:04,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719383104] [2024-10-11 20:44:04,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719383104] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:44:04,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:44:04,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-10-11 20:44:04,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770140379] [2024-10-11 20:44:04,281 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:44:04,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:44:04,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:44:04,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:44:04,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=184, Unknown=1, NotChecked=0, Total=240 [2024-10-11 20:44:04,282 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:44:04,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:44:04,741 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2024-10-11 20:44:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:44:04,741 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-10-11 20:44:04,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:44:04,742 INFO L225 Difference]: With dead ends: 47 [2024-10-11 20:44:04,742 INFO L226 Difference]: Without dead ends: 46 [2024-10-11 20:44:04,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=92, Invalid=287, Unknown=1, NotChecked=0, Total=380 [2024-10-11 20:44:04,742 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 45 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:44:04,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 149 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:44:04,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-11 20:44:04,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-10-11 20:44:04,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.024390243902439) internal successors, (42), 42 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:44:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2024-10-11 20:44:04,746 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 46 [2024-10-11 20:44:04,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:44:04,746 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2024-10-11 20:44:04,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:44:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2024-10-11 20:44:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 20:44:04,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:44:04,747 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:44:04,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:44:04,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:44:04,947 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:44:04,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:44:04,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1848260929, now seen corresponding path program 1 times [2024-10-11 20:44:04,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:44:04,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303156071] [2024-10-11 20:44:04,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:44:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:44:04,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312836873] [2024-10-11 20:44:04,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:04,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:44:04,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:44:04,959 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:44:04,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:44:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:44:05,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 20:44:05,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:44:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:44:05,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:44:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:44:06,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:44:06,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303156071] [2024-10-11 20:44:06,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:44:06,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312836873] [2024-10-11 20:44:06,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312836873] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:44:06,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:44:06,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-10-11 20:44:06,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865455150] [2024-10-11 20:44:06,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:44:06,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 20:44:06,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:44:06,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 20:44:06,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:44:06,831 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand has 19 states, 16 states have (on average 5.125) internal successors, (82), 17 states have internal predecessors, (82), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:44:07,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:44:07,570 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2024-10-11 20:44:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:44:07,570 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 5.125) internal successors, (82), 17 states have internal predecessors, (82), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-10-11 20:44:07,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:44:07,571 INFO L225 Difference]: With dead ends: 46 [2024-10-11 20:44:07,571 INFO L226 Difference]: Without dead ends: 45 [2024-10-11 20:44:07,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:44:07,572 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 9 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:44:07,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 125 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:44:07,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-11 20:44:07,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-10-11 20:44:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.0) internal successors, (41), 41 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:44:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2024-10-11 20:44:07,575 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 47 [2024-10-11 20:44:07,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:44:07,575 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2024-10-11 20:44:07,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 5.125) internal successors, (82), 17 states have internal predecessors, (82), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:44:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2024-10-11 20:44:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 20:44:07,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:44:07,578 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:44:07,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-11 20:44:07,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 20:44:07,783 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-11 20:44:07,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:44:07,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1461514157, now seen corresponding path program 1 times [2024-10-11 20:44:07,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:44:07,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763383309] [2024-10-11 20:44:07,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:07,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:44:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:44:07,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [58303735] [2024-10-11 20:44:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:07,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:44:07,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:44:07,800 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:44:07,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:44:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:44:07,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:44:07,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:44:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:44:08,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:44:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:44:08,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:44:08,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763383309] [2024-10-11 20:44:08,197 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:44:08,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58303735] [2024-10-11 20:44:08,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58303735] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:44:08,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:44:08,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-10-11 20:44:08,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218484495] [2024-10-11 20:44:08,197 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:44:08,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:44:08,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:44:08,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:44:08,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:44:08,198 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:44:08,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:44:08,525 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2024-10-11 20:44:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:44:08,525 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 48 [2024-10-11 20:44:08,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:44:08,526 INFO L225 Difference]: With dead ends: 45 [2024-10-11 20:44:08,526 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 20:44:08,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:44:08,526 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:44:08,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:44:08,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 20:44:08,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 20:44:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:44:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 20:44:08,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2024-10-11 20:44:08,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:44:08,527 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 20:44:08,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:44:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 20:44:08,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 20:44:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2024-10-11 20:44:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2024-10-11 20:44:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2024-10-11 20:44:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2024-10-11 20:44:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2024-10-11 20:44:08,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2024-10-11 20:44:08,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2024-10-11 20:44:08,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2024-10-11 20:44:08,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2024-10-11 20:44:08,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2024-10-11 20:44:08,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2024-10-11 20:44:08,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2024-10-11 20:44:08,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2024-10-11 20:44:08,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2024-10-11 20:44:08,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2024-10-11 20:44:08,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2024-10-11 20:44:08,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2024-10-11 20:44:08,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2024-10-11 20:44:08,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2024-10-11 20:44:08,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2024-10-11 20:44:08,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2024-10-11 20:44:08,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2024-10-11 20:44:08,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2024-10-11 20:44:08,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2024-10-11 20:44:08,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2024-10-11 20:44:08,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2024-10-11 20:44:08,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2024-10-11 20:44:08,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-11 20:44:08,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:44:08,754 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:44:08,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 20:44:08,952 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:44:08,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:44:08 BoogieIcfgContainer [2024-10-11 20:44:08,975 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:44:08,976 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:44:08,976 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:44:08,976 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:44:08,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:42:55" (3/4) ... [2024-10-11 20:44:08,978 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 20:44:08,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-11 20:44:08,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-11 20:44:08,990 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-11 20:44:08,990 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 20:44:08,991 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 20:44:08,991 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 20:44:09,098 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:44:09,098 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 20:44:09,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:44:09,099 INFO L158 Benchmark]: Toolchain (without parser) took 74392.22ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 113.0MB in the beginning and 164.8MB in the end (delta: -51.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-10-11 20:44:09,099 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 159.4MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:44:09,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.02ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 99.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 20:44:09,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.16ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 97.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:44:09,099 INFO L158 Benchmark]: Boogie Preprocessor took 37.12ms. Allocated memory is still 159.4MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:44:09,100 INFO L158 Benchmark]: RCFGBuilder took 889.97ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 71.0MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-11 20:44:09,100 INFO L158 Benchmark]: TraceAbstraction took 73042.30ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 70.3MB in the beginning and 171.1MB in the end (delta: -100.7MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2024-10-11 20:44:09,103 INFO L158 Benchmark]: Witness Printer took 122.63ms. Allocated memory is still 218.1MB. Free memory was 171.1MB in the beginning and 164.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 20:44:09,104 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 159.4MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.02ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 99.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.16ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 97.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.12ms. Allocated memory is still 159.4MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 889.97ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 71.0MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 73042.30ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 70.3MB in the beginning and 171.1MB in the end (delta: -100.7MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Witness Printer took 122.63ms. Allocated memory is still 218.1MB. Free memory was 171.1MB in the beginning and 164.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 141 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 72.8s, OverallIterations: 27, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 861 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 853 mSDsluCounter, 6386 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4441 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2630 IncrementalHoareTripleChecker+Invalid, 2681 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 1945 mSDtfsCounter, 2630 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1323 GetRequests, 1092 SyntacticMatches, 3 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 46.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=11, InterpolantAutomatonStates: 193, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 27 MinimizatonAttempts, 128 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 60.4s InterpolantComputationTime, 1611 NumberOfCodeBlocks, 1611 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1241 ConstructedInterpolants, 81 QuantifiedInterpolants, 9060 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2073 ConjunctsInSsa, 221 ConjunctsInUnsatCore, 36 InterpolantComputations, 13 PerfectInterpolantSequences, 131/240 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 56 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((((p == 0) && (1 <= y)) && (x <= 2147483647)) && (q == 1)) && (s == 0)) && (1 <= x)) && (r == 1)) && (y <= 2147483647)) && (counter == 2)) || ((((((((((p == 1) && (x <= 2147483647)) && (b == y)) && (1 <= b)) && (r == 0)) && (q == 0)) && (1 <= x)) && (counter == 0)) && (y <= 2147483647)) && (s == 1))) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((((((((((p == 1) && (1 <= y)) && (x <= 2147483647)) && (b == y)) && (r == 0)) && (q == 0)) && (k == 0)) && (1 <= x)) && (counter == 1)) && (y <= 2147483647)) && (s == 1)) - ProcedureContractResult [Line: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: ((cond != 0) && (counter == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-11 20:44:09,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE