./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:52:40,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:52:41,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:52:41,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:52:41,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:52:41,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:52:41,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:52:41,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:52:41,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:52:41,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:52:41,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:52:41,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:52:41,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:52:41,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:52:41,084 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:52:41,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:52:41,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:52:41,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:52:41,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:52:41,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:52:41,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:52:41,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:52:41,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:52:41,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:52:41,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:52:41,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:52:41,091 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:52:41,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:52:41,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:52:41,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:52:41,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:52:41,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:52:41,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:52:41,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:52:41,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:52:41,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:52:41,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:52:41,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:52:41,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:52:41,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:52:41,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:52:41,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:52:41,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:52:41,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:52:41,095 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 [2024-11-22 22:52:41,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:52:41,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:52:41,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:52:41,345 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:52:41,345 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:52:41,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2024-11-22 22:52:42,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:52:42,846 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:52:42,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2024-11-22 22:52:42,854 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326aad54b/dbe6a503562246af8d5c8619a10ddfd1/FLAG359577c4a [2024-11-22 22:52:42,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326aad54b/dbe6a503562246af8d5c8619a10ddfd1 [2024-11-22 22:52:42,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:52:42,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:52:42,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:52:42,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:52:42,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:52:42,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:52:42" (1/1) ... [2024-11-22 22:52:42,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6367b484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:42, skipping insertion in model container [2024-11-22 22:52:42,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:52:42" (1/1) ... [2024-11-22 22:52:42,907 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:52:43,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:52:43,094 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:52:43,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:52:43,140 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:52:43,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43 WrapperNode [2024-11-22 22:52:43,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:52:43,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:52:43,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:52:43,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:52:43,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,189 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2024-11-22 22:52:43,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:52:43,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:52:43,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:52:43,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:52:43,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,253 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 22:52:43,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:52:43,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:52:43,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:52:43,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:52:43,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (1/1) ... [2024-11-22 22:52:43,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:52:43,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:43,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 22:52:43,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 22:52:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:52:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:52:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:52:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:52:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:52:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:52:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:52:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:52:43,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:52:43,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:52:43,836 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-22 22:52:43,836 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:52:43,849 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:52:43,849 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:52:43,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:52:43 BoogieIcfgContainer [2024-11-22 22:52:43,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:52:43,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:52:43,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:52:43,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:52:43,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:52:42" (1/3) ... [2024-11-22 22:52:43,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180cda85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:52:43, skipping insertion in model container [2024-11-22 22:52:43,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:43" (2/3) ... [2024-11-22 22:52:43,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180cda85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:52:43, skipping insertion in model container [2024-11-22 22:52:43,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:52:43" (3/3) ... [2024-11-22 22:52:43,857 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound10.c [2024-11-22 22:52:43,878 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:52:43,878 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-22 22:52:43,927 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:52:43,932 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;@27b4db37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:52:43,933 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-22 22:52:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 62 states have (on average 1.8064516129032258) internal successors, (112), 104 states have internal predecessors, (112), 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) [2024-11-22 22:52:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-22 22:52:43,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:43,942 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:43,942 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:43,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:43,946 INFO L85 PathProgramCache]: Analyzing trace with hash -266555770, now seen corresponding path program 1 times [2024-11-22 22:52:43,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:43,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544433475] [2024-11-22 22:52:43,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:43,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:52:44,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:44,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544433475] [2024-11-22 22:52:44,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544433475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:44,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386993093] [2024-11-22 22:52:44,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:44,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:44,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:44,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:44,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:52:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:44,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 22:52:44,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:52:44,176 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:44,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386993093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:44,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:44,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 22:52:44,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238218194] [2024-11-22 22:52:44,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:44,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:52:44,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:44,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:52:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:52:44,205 INFO L87 Difference]: Start difference. First operand has 113 states, 62 states have (on average 1.8064516129032258) internal successors, (112), 104 states have internal predecessors, (112), 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:52:44,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:44,233 INFO L93 Difference]: Finished difference Result 222 states and 249 transitions. [2024-11-22 22:52:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:52:44,235 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-22 22:52:44,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:44,242 INFO L225 Difference]: With dead ends: 222 [2024-11-22 22:52:44,243 INFO L226 Difference]: Without dead ends: 106 [2024-11-22 22:52:44,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:52:44,251 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:44,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:52:44,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-22 22:52:44,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-22 22:52:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 57 states have (on average 1.7894736842105263) internal successors, (102), 98 states have internal predecessors, (102), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:52:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2024-11-22 22:52:44,299 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 21 [2024-11-22 22:52:44,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:44,299 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2024-11-22 22:52:44,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:52:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2024-11-22 22:52:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-22 22:52:44,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:44,302 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:44,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:52:44,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 22:52:44,503 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:44,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:44,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1096580792, now seen corresponding path program 1 times [2024-11-22 22:52:44,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:44,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686360527] [2024-11-22 22:52:44,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:44,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:44,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [510509190] [2024-11-22 22:52:44,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:44,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:44,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:44,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:44,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:52:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:44,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:52:44,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:52:44,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:44,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:44,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686360527] [2024-11-22 22:52:44,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:44,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510509190] [2024-11-22 22:52:44,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510509190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:44,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:44,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:52:44,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169024653] [2024-11-22 22:52:44,885 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:52:44,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:52:44,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:44,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:52:44,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:52:44,887 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:52:45,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:45,149 INFO L93 Difference]: Finished difference Result 144 states and 168 transitions. [2024-11-22 22:52:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:52:45,150 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-22 22:52:45,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:45,151 INFO L225 Difference]: With dead ends: 144 [2024-11-22 22:52:45,151 INFO L226 Difference]: Without dead ends: 135 [2024-11-22 22:52:45,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:52:45,153 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 156 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:45,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 221 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:45,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-22 22:52:45,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 128. [2024-11-22 22:52:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 79 states have (on average 1.6962025316455696) internal successors, (134), 118 states have internal predecessors, (134), 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) [2024-11-22 22:52:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2024-11-22 22:52:45,162 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 21 [2024-11-22 22:52:45,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:45,163 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2024-11-22 22:52:45,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:52:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2024-11-22 22:52:45,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-22 22:52:45,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:45,164 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:45,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:52:45,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-22 22:52:45,364 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:45,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:45,365 INFO L85 PathProgramCache]: Analyzing trace with hash 365733866, now seen corresponding path program 1 times [2024-11-22 22:52:45,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:45,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84843731] [2024-11-22 22:52:45,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:45,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:45,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384289601] [2024-11-22 22:52:45,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:45,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:45,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:45,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:52:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:45,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:52:45,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:45,535 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:45,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:45,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84843731] [2024-11-22 22:52:45,535 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:45,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384289601] [2024-11-22 22:52:45,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384289601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:45,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:45,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 22:52:45,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129833678] [2024-11-22 22:52:45,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:45,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:52:45,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:45,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:52:45,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:52:45,538 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:52:45,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:45,777 INFO L93 Difference]: Finished difference Result 174 states and 214 transitions. [2024-11-22 22:52:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:52:45,778 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 22 [2024-11-22 22:52:45,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:45,779 INFO L225 Difference]: With dead ends: 174 [2024-11-22 22:52:45,779 INFO L226 Difference]: Without dead ends: 156 [2024-11-22 22:52:45,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:52:45,780 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 165 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:45,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 200 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:45,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-22 22:52:45,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2024-11-22 22:52:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.6095238095238096) internal successors, (169), 142 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 185 transitions. [2024-11-22 22:52:45,801 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 185 transitions. Word has length 22 [2024-11-22 22:52:45,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:45,801 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 185 transitions. [2024-11-22 22:52:45,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:52:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 185 transitions. [2024-11-22 22:52:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 22:52:45,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:45,802 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:45,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:52:46,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:46,008 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:46,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:46,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1547151990, now seen corresponding path program 1 times [2024-11-22 22:52:46,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:46,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142100825] [2024-11-22 22:52:46,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:46,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:46,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416125000] [2024-11-22 22:52:46,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:46,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:46,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:46,023 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:46,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:52:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:46,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:52:46,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:52:46,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:47,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:47,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142100825] [2024-11-22 22:52:47,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:47,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416125000] [2024-11-22 22:52:47,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416125000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:47,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:47,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:52:47,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417626597] [2024-11-22 22:52:47,459 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:52:47,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:52:47,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:47,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:52:47,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=67, Unknown=1, NotChecked=0, Total=90 [2024-11-22 22:52:47,461 INFO L87 Difference]: Start difference. First operand 153 states and 185 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:52:47,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:47,650 INFO L93 Difference]: Finished difference Result 161 states and 192 transitions. [2024-11-22 22:52:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:52:47,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2024-11-22 22:52:47,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:47,652 INFO L225 Difference]: With dead ends: 161 [2024-11-22 22:52:47,652 INFO L226 Difference]: Without dead ends: 160 [2024-11-22 22:52:47,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2024-11-22 22:52:47,653 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 136 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:47,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 247 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:47,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-22 22:52:47,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 153. [2024-11-22 22:52:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.6) internal successors, (168), 142 states have internal predecessors, (168), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 184 transitions. [2024-11-22 22:52:47,660 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 184 transitions. Word has length 23 [2024-11-22 22:52:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:47,660 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 184 transitions. [2024-11-22 22:52:47,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:52:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2024-11-22 22:52:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 22:52:47,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:47,661 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:47,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:52:47,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:47,866 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:47,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:47,866 INFO L85 PathProgramCache]: Analyzing trace with hash -717071380, now seen corresponding path program 1 times [2024-11-22 22:52:47,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:47,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26471953] [2024-11-22 22:52:47,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:47,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:47,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915326330] [2024-11-22 22:52:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:47,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:47,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:47,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:47,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:52:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:47,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 22:52:47,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:48,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:48,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:48,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:48,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26471953] [2024-11-22 22:52:48,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:48,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915326330] [2024-11-22 22:52:48,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915326330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:48,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:48,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 22:52:48,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369303322] [2024-11-22 22:52:48,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:48,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:52:48,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:48,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:52:48,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:52:48,059 INFO L87 Difference]: Start difference. First operand 153 states and 184 transitions. Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:52:48,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:48,258 INFO L93 Difference]: Finished difference Result 161 states and 191 transitions. [2024-11-22 22:52:48,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:52:48,258 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 24 [2024-11-22 22:52:48,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:48,259 INFO L225 Difference]: With dead ends: 161 [2024-11-22 22:52:48,259 INFO L226 Difference]: Without dead ends: 160 [2024-11-22 22:52:48,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:52:48,260 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 251 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:48,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 250 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:48,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-22 22:52:48,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 153. [2024-11-22 22:52:48,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.5904761904761904) internal successors, (167), 142 states have internal predecessors, (167), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 183 transitions. [2024-11-22 22:52:48,272 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 183 transitions. Word has length 24 [2024-11-22 22:52:48,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:48,273 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 183 transitions. [2024-11-22 22:52:48,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:52:48,273 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 183 transitions. [2024-11-22 22:52:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:52:48,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:48,273 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:48,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:52:48,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:48,478 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:48,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:48,479 INFO L85 PathProgramCache]: Analyzing trace with hash -754376244, now seen corresponding path program 1 times [2024-11-22 22:52:48,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:48,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52785419] [2024-11-22 22:52:48,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:48,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:48,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:48,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52785419] [2024-11-22 22:52:48,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52785419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:48,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:48,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:48,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543023117] [2024-11-22 22:52:48,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:48,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:48,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:48,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:48,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:48,582 INFO L87 Difference]: Start difference. First operand 153 states and 183 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:52:48,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:48,835 INFO L93 Difference]: Finished difference Result 246 states and 292 transitions. [2024-11-22 22:52:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:48,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-22 22:52:48,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:48,836 INFO L225 Difference]: With dead ends: 246 [2024-11-22 22:52:48,836 INFO L226 Difference]: Without dead ends: 245 [2024-11-22 22:52:48,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:48,837 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 93 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:48,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 157 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-22 22:52:48,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 174. [2024-11-22 22:52:48,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 125 states have (on average 1.592) internal successors, (199), 162 states have internal predecessors, (199), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:52:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 217 transitions. [2024-11-22 22:52:48,846 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 217 transitions. Word has length 25 [2024-11-22 22:52:48,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:48,847 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 217 transitions. [2024-11-22 22:52:48,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:52:48,847 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 217 transitions. [2024-11-22 22:52:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-22 22:52:48,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:48,848 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:48,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:52:48,848 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:48,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:48,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1910827026, now seen corresponding path program 1 times [2024-11-22 22:52:48,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:48,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18727853] [2024-11-22 22:52:48,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:48,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:48,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:48,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:48,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18727853] [2024-11-22 22:52:48,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18727853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:48,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:48,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:48,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189619316] [2024-11-22 22:52:48,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:48,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:48,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:48,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:48,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:48,915 INFO L87 Difference]: Start difference. First operand 174 states and 217 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:52:49,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:49,306 INFO L93 Difference]: Finished difference Result 246 states and 290 transitions. [2024-11-22 22:52:49,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:49,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-22 22:52:49,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:49,308 INFO L225 Difference]: With dead ends: 246 [2024-11-22 22:52:49,308 INFO L226 Difference]: Without dead ends: 245 [2024-11-22 22:52:49,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:49,309 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 69 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:49,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 176 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:52:49,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-22 22:52:49,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 174. [2024-11-22 22:52:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 125 states have (on average 1.576) internal successors, (197), 162 states have internal predecessors, (197), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:52:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 215 transitions. [2024-11-22 22:52:49,316 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 215 transitions. Word has length 26 [2024-11-22 22:52:49,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:49,317 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 215 transitions. [2024-11-22 22:52:49,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:52:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 215 transitions. [2024-11-22 22:52:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:52:49,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:49,317 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:49,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 22:52:49,318 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:49,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:49,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1483767506, now seen corresponding path program 1 times [2024-11-22 22:52:49,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:49,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096567359] [2024-11-22 22:52:49,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:49,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:49,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [163714620] [2024-11-22 22:52:49,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:49,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:49,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:49,340 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:49,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:52:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:49,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:52:49,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:49,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:49,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:49,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:49,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096567359] [2024-11-22 22:52:49,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:49,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163714620] [2024-11-22 22:52:49,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163714620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:49,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:49,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:49,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132168772] [2024-11-22 22:52:49,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:49,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:49,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:49,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:49,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:49,426 INFO L87 Difference]: Start difference. First operand 174 states and 215 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:49,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:49,546 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2024-11-22 22:52:49,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:49,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 39 [2024-11-22 22:52:49,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:49,548 INFO L225 Difference]: With dead ends: 184 [2024-11-22 22:52:49,548 INFO L226 Difference]: Without dead ends: 181 [2024-11-22 22:52:49,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:49,549 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 157 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:49,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 115 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:52:49,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-22 22:52:49,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 178. [2024-11-22 22:52:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 129 states have (on average 1.550387596899225) internal successors, (200), 166 states have internal predecessors, (200), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:52:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 218 transitions. [2024-11-22 22:52:49,555 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 218 transitions. Word has length 39 [2024-11-22 22:52:49,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:49,555 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 218 transitions. [2024-11-22 22:52:49,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 218 transitions. [2024-11-22 22:52:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:52:49,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:49,556 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:49,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:52:49,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:49,757 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:49,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:49,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1234456420, now seen corresponding path program 1 times [2024-11-22 22:52:49,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:49,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721492364] [2024-11-22 22:52:49,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:49,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:49,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1849782625] [2024-11-22 22:52:49,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:49,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:49,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:49,787 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:49,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:52:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:49,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:52:49,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:49,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:49,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:49,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721492364] [2024-11-22 22:52:49,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:49,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849782625] [2024-11-22 22:52:49,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849782625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:49,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:49,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:49,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218042860] [2024-11-22 22:52:49,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:49,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:49,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:49,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:49,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:49,900 INFO L87 Difference]: Start difference. First operand 178 states and 218 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:50,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:50,050 INFO L93 Difference]: Finished difference Result 227 states and 286 transitions. [2024-11-22 22:52:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:50,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-22 22:52:50,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:50,052 INFO L225 Difference]: With dead ends: 227 [2024-11-22 22:52:50,053 INFO L226 Difference]: Without dead ends: 221 [2024-11-22 22:52:50,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:50,054 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 158 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:50,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 111 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:52:50,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-22 22:52:50,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 206. [2024-11-22 22:52:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 156 states have (on average 1.5705128205128205) internal successors, (245), 193 states have internal predecessors, (245), 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) [2024-11-22 22:52:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 265 transitions. [2024-11-22 22:52:50,064 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 265 transitions. Word has length 40 [2024-11-22 22:52:50,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:50,065 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 265 transitions. [2024-11-22 22:52:50,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 265 transitions. [2024-11-22 22:52:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:52:50,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:50,066 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:50,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:50,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:50,273 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:50,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:50,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1247847474, now seen corresponding path program 1 times [2024-11-22 22:52:50,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:50,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598524666] [2024-11-22 22:52:50,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:50,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:50,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932541750] [2024-11-22 22:52:50,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:50,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:50,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:50,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:50,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:52:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:50,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:52:50,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:50,400 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:50,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:50,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598524666] [2024-11-22 22:52:50,400 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:50,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932541750] [2024-11-22 22:52:50,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932541750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:50,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:50,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:50,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904060813] [2024-11-22 22:52:50,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:50,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:50,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:50,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:50,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:50,405 INFO L87 Difference]: Start difference. First operand 206 states and 265 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:50,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:50,593 INFO L93 Difference]: Finished difference Result 267 states and 357 transitions. [2024-11-22 22:52:50,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:50,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2024-11-22 22:52:50,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:50,595 INFO L225 Difference]: With dead ends: 267 [2024-11-22 22:52:50,595 INFO L226 Difference]: Without dead ends: 261 [2024-11-22 22:52:50,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:50,596 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 190 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:50,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 101 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:50,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-22 22:52:50,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 241. [2024-11-22 22:52:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 190 states have (on average 1.6210526315789473) internal successors, (308), 227 states have internal predecessors, (308), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:52:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 330 transitions. [2024-11-22 22:52:50,602 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 330 transitions. Word has length 40 [2024-11-22 22:52:50,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:50,603 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 330 transitions. [2024-11-22 22:52:50,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 330 transitions. [2024-11-22 22:52:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:52:50,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:50,603 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:50,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:50,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-22 22:52:50,805 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:50,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:50,805 INFO L85 PathProgramCache]: Analyzing trace with hash 386556757, now seen corresponding path program 1 times [2024-11-22 22:52:50,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:50,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546143407] [2024-11-22 22:52:50,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:50,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:50,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714540083] [2024-11-22 22:52:50,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:50,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:50,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:50,827 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:50,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:52:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:50,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:52:50,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:50,931 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:50,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:50,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546143407] [2024-11-22 22:52:50,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:50,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714540083] [2024-11-22 22:52:50,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714540083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:50,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:50,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:50,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204491615] [2024-11-22 22:52:50,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:50,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:50,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:50,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:50,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:50,934 INFO L87 Difference]: Start difference. First operand 241 states and 330 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:51,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:51,103 INFO L93 Difference]: Finished difference Result 253 states and 337 transitions. [2024-11-22 22:52:51,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:51,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-22 22:52:51,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:51,106 INFO L225 Difference]: With dead ends: 253 [2024-11-22 22:52:51,106 INFO L226 Difference]: Without dead ends: 249 [2024-11-22 22:52:51,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:51,106 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 196 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:51,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 86 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:51,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-22 22:52:51,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 241. [2024-11-22 22:52:51,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 190 states have (on average 1.5947368421052632) internal successors, (303), 227 states have internal predecessors, (303), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:52:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 325 transitions. [2024-11-22 22:52:51,116 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 325 transitions. Word has length 41 [2024-11-22 22:52:51,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:51,116 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 325 transitions. [2024-11-22 22:52:51,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 325 transitions. [2024-11-22 22:52:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:52:51,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:51,117 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:51,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:52:51,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:51,318 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:51,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:51,318 INFO L85 PathProgramCache]: Analyzing trace with hash -28565932, now seen corresponding path program 1 times [2024-11-22 22:52:51,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:51,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885939223] [2024-11-22 22:52:51,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:51,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:51,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:51,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885939223] [2024-11-22 22:52:51,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885939223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:51,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:51,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:51,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141038963] [2024-11-22 22:52:51,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:51,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:51,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:51,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:51,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:51,374 INFO L87 Difference]: Start difference. First operand 241 states and 325 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:51,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:51,491 INFO L93 Difference]: Finished difference Result 324 states and 417 transitions. [2024-11-22 22:52:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:51,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-22 22:52:51,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:51,493 INFO L225 Difference]: With dead ends: 324 [2024-11-22 22:52:51,493 INFO L226 Difference]: Without dead ends: 323 [2024-11-22 22:52:51,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:51,494 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 62 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:51,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 213 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:52:51,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-22 22:52:51,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 251. [2024-11-22 22:52:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 200 states have (on average 1.59) internal successors, (318), 237 states have internal predecessors, (318), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:52:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 340 transitions. [2024-11-22 22:52:51,501 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 340 transitions. Word has length 41 [2024-11-22 22:52:51,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:51,502 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 340 transitions. [2024-11-22 22:52:51,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:51,502 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 340 transitions. [2024-11-22 22:52:51,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:52:51,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:51,502 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:51,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:52:51,503 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:51,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:51,503 INFO L85 PathProgramCache]: Analyzing trace with hash -487473922, now seen corresponding path program 1 times [2024-11-22 22:52:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:51,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847531412] [2024-11-22 22:52:51,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:51,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:51,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:51,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847531412] [2024-11-22 22:52:51,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847531412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:51,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:51,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:52:51,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383564618] [2024-11-22 22:52:51,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:51,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:52:51,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:51,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:52:51,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:52:51,646 INFO L87 Difference]: Start difference. First operand 251 states and 340 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:52,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:52,056 INFO L93 Difference]: Finished difference Result 353 states and 501 transitions. [2024-11-22 22:52:52,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:52:52,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2024-11-22 22:52:52,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:52,058 INFO L225 Difference]: With dead ends: 353 [2024-11-22 22:52:52,058 INFO L226 Difference]: Without dead ends: 351 [2024-11-22 22:52:52,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:52:52,059 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 473 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:52,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 94 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:52:52,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-22 22:52:52,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 257. [2024-11-22 22:52:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 206 states have (on average 1.5776699029126213) internal successors, (325), 243 states have internal predecessors, (325), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:52:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 347 transitions. [2024-11-22 22:52:52,068 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 347 transitions. Word has length 42 [2024-11-22 22:52:52,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:52,069 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 347 transitions. [2024-11-22 22:52:52,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 347 transitions. [2024-11-22 22:52:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:52:52,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:52,070 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:52,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 22:52:52,070 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:52,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:52,070 INFO L85 PathProgramCache]: Analyzing trace with hash -901642306, now seen corresponding path program 1 times [2024-11-22 22:52:52,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:52,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664453612] [2024-11-22 22:52:52,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:52,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:52,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:52,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664453612] [2024-11-22 22:52:52,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664453612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:52,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:52,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:52,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76418470] [2024-11-22 22:52:52,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:52,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:52,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:52,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:52,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:52,123 INFO L87 Difference]: Start difference. First operand 257 states and 347 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:52,288 INFO L93 Difference]: Finished difference Result 324 states and 413 transitions. [2024-11-22 22:52:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:52,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-22 22:52:52,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:52,290 INFO L225 Difference]: With dead ends: 324 [2024-11-22 22:52:52,290 INFO L226 Difference]: Without dead ends: 323 [2024-11-22 22:52:52,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:52,291 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 60 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:52,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 220 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:52,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-22 22:52:52,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 267. [2024-11-22 22:52:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 216 states have (on average 1.5740740740740742) internal successors, (340), 253 states have internal predecessors, (340), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:52:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 362 transitions. [2024-11-22 22:52:52,301 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 362 transitions. Word has length 42 [2024-11-22 22:52:52,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:52,301 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 362 transitions. [2024-11-22 22:52:52,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 362 transitions. [2024-11-22 22:52:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:52:52,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:52,301 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:52,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:52:52,302 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:52,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:52,302 INFO L85 PathProgramCache]: Analyzing trace with hash -885543792, now seen corresponding path program 1 times [2024-11-22 22:52:52,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:52,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759344849] [2024-11-22 22:52:52,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:52,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:52,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:52,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759344849] [2024-11-22 22:52:52,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759344849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:52,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:52,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:52,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270772965] [2024-11-22 22:52:52,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:52,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:52,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:52,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:52,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:52,402 INFO L87 Difference]: Start difference. First operand 267 states and 362 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:52,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:52,744 INFO L93 Difference]: Finished difference Result 324 states and 411 transitions. [2024-11-22 22:52:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:52,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-22 22:52:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:52,746 INFO L225 Difference]: With dead ends: 324 [2024-11-22 22:52:52,746 INFO L226 Difference]: Without dead ends: 323 [2024-11-22 22:52:52,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:52,747 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 60 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:52,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 206 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:52:52,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-22 22:52:52,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 269. [2024-11-22 22:52:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 218 states have (on average 1.5688073394495412) internal successors, (342), 255 states have internal predecessors, (342), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:52:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 364 transitions. [2024-11-22 22:52:52,756 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 364 transitions. Word has length 42 [2024-11-22 22:52:52,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:52,756 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 364 transitions. [2024-11-22 22:52:52,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:52,756 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 364 transitions. [2024-11-22 22:52:52,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-22 22:52:52,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:52,757 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:52,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 22:52:52,757 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:52,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:52,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2068177733, now seen corresponding path program 1 times [2024-11-22 22:52:52,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:52,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465261398] [2024-11-22 22:52:52,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:52,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:52,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:52,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465261398] [2024-11-22 22:52:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465261398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:52,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:52,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:52:52,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534556533] [2024-11-22 22:52:52,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:52,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:52:52,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:52,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:52:52,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:52:52,824 INFO L87 Difference]: Start difference. First operand 269 states and 364 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:53,121 INFO L93 Difference]: Finished difference Result 276 states and 371 transitions. [2024-11-22 22:52:53,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:52:53,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2024-11-22 22:52:53,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:53,127 INFO L225 Difference]: With dead ends: 276 [2024-11-22 22:52:53,127 INFO L226 Difference]: Without dead ends: 274 [2024-11-22 22:52:53,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:52:53,127 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 368 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:53,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 132 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:52:53,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-22 22:52:53,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 269. [2024-11-22 22:52:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 218 states have (on average 1.555045871559633) internal successors, (339), 255 states have internal predecessors, (339), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:52:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 361 transitions. [2024-11-22 22:52:53,138 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 361 transitions. Word has length 43 [2024-11-22 22:52:53,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:53,139 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 361 transitions. [2024-11-22 22:52:53,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 361 transitions. [2024-11-22 22:52:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-22 22:52:53,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:53,140 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:53,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 22:52:53,140 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:53,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:53,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2113859703, now seen corresponding path program 1 times [2024-11-22 22:52:53,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:53,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635599177] [2024-11-22 22:52:53,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:53,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:53,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:53,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635599177] [2024-11-22 22:52:53,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635599177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:53,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:53,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:53,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264561761] [2024-11-22 22:52:53,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:53,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:53,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:53,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:53,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:53,209 INFO L87 Difference]: Start difference. First operand 269 states and 361 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:53,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:53,465 INFO L93 Difference]: Finished difference Result 324 states and 405 transitions. [2024-11-22 22:52:53,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:53,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-22 22:52:53,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:53,467 INFO L225 Difference]: With dead ends: 324 [2024-11-22 22:52:53,467 INFO L226 Difference]: Without dead ends: 323 [2024-11-22 22:52:53,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:53,468 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 59 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:53,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 205 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:53,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-22 22:52:53,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 271. [2024-11-22 22:52:53,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 220 states have (on average 1.55) internal successors, (341), 257 states have internal predecessors, (341), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:52:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 363 transitions. [2024-11-22 22:52:53,479 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 363 transitions. Word has length 43 [2024-11-22 22:52:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:53,479 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 363 transitions. [2024-11-22 22:52:53,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:52:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 363 transitions. [2024-11-22 22:52:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-22 22:52:53,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:53,480 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:53,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:52:53,481 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:53,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:53,481 INFO L85 PathProgramCache]: Analyzing trace with hash 903714664, now seen corresponding path program 1 times [2024-11-22 22:52:53,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:53,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335750390] [2024-11-22 22:52:53,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:53,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:53,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [581699995] [2024-11-22 22:52:53,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:53,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:53,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:53,506 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:53,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:52:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:53,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:52:53,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:52:53,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:55,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:55,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335750390] [2024-11-22 22:52:55,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:55,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581699995] [2024-11-22 22:52:55,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581699995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:55,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:55,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:52:55,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583154088] [2024-11-22 22:52:55,239 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:52:55,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:52:55,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:55,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:52:55,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:52:55,240 INFO L87 Difference]: Start difference. First operand 271 states and 363 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:52:55,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:55,623 INFO L93 Difference]: Finished difference Result 382 states and 527 transitions. [2024-11-22 22:52:55,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:52:55,624 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 43 [2024-11-22 22:52:55,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:55,625 INFO L225 Difference]: With dead ends: 382 [2024-11-22 22:52:55,625 INFO L226 Difference]: Without dead ends: 357 [2024-11-22 22:52:55,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:52:55,626 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 369 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:55,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 218 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:52:55,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-22 22:52:55,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 342. [2024-11-22 22:52:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 288 states have (on average 1.5104166666666667) internal successors, (435), 325 states have internal predecessors, (435), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:52:55,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 463 transitions. [2024-11-22 22:52:55,636 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 463 transitions. Word has length 43 [2024-11-22 22:52:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:55,637 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 463 transitions. [2024-11-22 22:52:55,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:52:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 463 transitions. [2024-11-22 22:52:55,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 22:52:55,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:55,637 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:55,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:55,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-22 22:52:55,842 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:55,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:55,842 INFO L85 PathProgramCache]: Analyzing trace with hash -2049616438, now seen corresponding path program 1 times [2024-11-22 22:52:55,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:55,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512069975] [2024-11-22 22:52:55,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:55,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:55,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879098149] [2024-11-22 22:52:55,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:55,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:55,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:55,860 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:55,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:52:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:55,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:52:55,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:52:56,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:57,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:57,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512069975] [2024-11-22 22:52:57,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:57,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879098149] [2024-11-22 22:52:57,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879098149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:57,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:57,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:52:57,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616118576] [2024-11-22 22:52:57,133 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:52:57,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:52:57,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:57,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:52:57,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:52:57,135 INFO L87 Difference]: Start difference. First operand 342 states and 463 transitions. Second operand has 12 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:52:58,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:58,191 INFO L93 Difference]: Finished difference Result 387 states and 516 transitions. [2024-11-22 22:52:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:52:58,191 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 44 [2024-11-22 22:52:58,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:58,193 INFO L225 Difference]: With dead ends: 387 [2024-11-22 22:52:58,193 INFO L226 Difference]: Without dead ends: 368 [2024-11-22 22:52:58,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:52:58,195 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 245 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:58,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 279 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:52:58,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-22 22:52:58,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 288. [2024-11-22 22:52:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 238 states have (on average 1.4285714285714286) internal successors, (340), 275 states have internal predecessors, (340), 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) [2024-11-22 22:52:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 360 transitions. [2024-11-22 22:52:58,204 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 360 transitions. Word has length 44 [2024-11-22 22:52:58,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:58,205 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 360 transitions. [2024-11-22 22:52:58,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:52:58,205 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 360 transitions. [2024-11-22 22:52:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:52:58,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:58,205 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:58,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:52:58,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:58,406 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:58,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:58,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1777114818, now seen corresponding path program 1 times [2024-11-22 22:52:58,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:58,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646374438] [2024-11-22 22:52:58,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:58,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:58,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044400203] [2024-11-22 22:52:58,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:58,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:58,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:58,432 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:58,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:52:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:58,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:52:58,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:52:58,578 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:58,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:58,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646374438] [2024-11-22 22:52:58,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:58,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044400203] [2024-11-22 22:52:58,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044400203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:58,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:58,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:52:58,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88521761] [2024-11-22 22:52:58,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:58,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:52:58,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:58,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:52:58,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:52:58,580 INFO L87 Difference]: Start difference. First operand 288 states and 360 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:58,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:58,870 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2024-11-22 22:52:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:52:58,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2024-11-22 22:52:58,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:58,872 INFO L225 Difference]: With dead ends: 377 [2024-11-22 22:52:58,872 INFO L226 Difference]: Without dead ends: 369 [2024-11-22 22:52:58,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:52:58,872 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 413 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:58,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 99 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:58,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-22 22:52:58,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 323. [2024-11-22 22:52:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 272 states have (on average 1.4375) internal successors, (391), 309 states have internal predecessors, (391), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:52:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 413 transitions. [2024-11-22 22:52:58,906 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 413 transitions. Word has length 46 [2024-11-22 22:52:58,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:58,907 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 413 transitions. [2024-11-22 22:52:58,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:52:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 413 transitions. [2024-11-22 22:52:58,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:52:58,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:58,907 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:58,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:59,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:59,116 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:52:59,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:59,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1708593612, now seen corresponding path program 1 times [2024-11-22 22:52:59,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:59,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140745134] [2024-11-22 22:52:59,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:59,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:59,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148937771] [2024-11-22 22:52:59,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:59,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:59,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:59,140 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:59,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:52:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:59,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 22:52:59,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:52:59,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:00,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:00,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140745134] [2024-11-22 22:53:00,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:00,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148937771] [2024-11-22 22:53:00,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148937771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:00,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:00,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-22 22:53:00,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911517429] [2024-11-22 22:53:00,542 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:00,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:53:00,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:00,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:53:00,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:53:00,544 INFO L87 Difference]: Start difference. First operand 323 states and 413 transitions. Second operand has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:53:01,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:01,047 INFO L93 Difference]: Finished difference Result 367 states and 468 transitions. [2024-11-22 22:53:01,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:53:01,048 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 46 [2024-11-22 22:53:01,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:01,049 INFO L225 Difference]: With dead ends: 367 [2024-11-22 22:53:01,049 INFO L226 Difference]: Without dead ends: 366 [2024-11-22 22:53:01,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:53:01,050 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 203 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:01,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 244 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:53:01,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-22 22:53:01,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 333. [2024-11-22 22:53:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 282 states have (on average 1.4184397163120568) internal successors, (400), 319 states have internal predecessors, (400), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:53:01,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 422 transitions. [2024-11-22 22:53:01,061 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 422 transitions. Word has length 46 [2024-11-22 22:53:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:01,061 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 422 transitions. [2024-11-22 22:53:01,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:53:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 422 transitions. [2024-11-22 22:53:01,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 22:53:01,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:01,061 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:01,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:53:01,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-22 22:53:01,266 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:01,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:01,267 INFO L85 PathProgramCache]: Analyzing trace with hash -744015351, now seen corresponding path program 1 times [2024-11-22 22:53:01,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:01,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278862549] [2024-11-22 22:53:01,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:01,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:01,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836852911] [2024-11-22 22:53:01,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:01,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:01,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:01,301 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:01,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:53:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:01,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:53:01,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:53:01,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:53:01,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:01,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278862549] [2024-11-22 22:53:01,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:01,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836852911] [2024-11-22 22:53:01,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836852911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:01,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:01,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:53:01,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57862339] [2024-11-22 22:53:01,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:01,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:53:01,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:01,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:53:01,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:53:01,467 INFO L87 Difference]: Start difference. First operand 333 states and 422 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:01,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:01,837 INFO L93 Difference]: Finished difference Result 359 states and 455 transitions. [2024-11-22 22:53:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:53:01,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2024-11-22 22:53:01,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:01,840 INFO L225 Difference]: With dead ends: 359 [2024-11-22 22:53:01,840 INFO L226 Difference]: Without dead ends: 358 [2024-11-22 22:53:01,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:53:01,840 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 228 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:01,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 109 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:53:01,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-22 22:53:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 333. [2024-11-22 22:53:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 282 states have (on average 1.4113475177304964) internal successors, (398), 319 states have internal predecessors, (398), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:53:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 420 transitions. [2024-11-22 22:53:01,864 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 420 transitions. Word has length 47 [2024-11-22 22:53:01,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:01,864 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 420 transitions. [2024-11-22 22:53:01,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 420 transitions. [2024-11-22 22:53:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 22:53:01,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:01,864 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:01,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 22:53:02,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:02,066 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:02,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:02,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1589639260, now seen corresponding path program 1 times [2024-11-22 22:53:02,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:02,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936291836] [2024-11-22 22:53:02,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:02,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:53:02,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:02,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936291836] [2024-11-22 22:53:02,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936291836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:02,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:02,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:53:02,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568246520] [2024-11-22 22:53:02,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:02,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:53:02,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:02,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:53:02,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:53:02,120 INFO L87 Difference]: Start difference. First operand 333 states and 420 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:53:02,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:02,504 INFO L93 Difference]: Finished difference Result 356 states and 440 transitions. [2024-11-22 22:53:02,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:53:02,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2024-11-22 22:53:02,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:02,509 INFO L225 Difference]: With dead ends: 356 [2024-11-22 22:53:02,509 INFO L226 Difference]: Without dead ends: 355 [2024-11-22 22:53:02,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:53:02,510 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 30 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 210 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 [2024-11-22 22:53:02,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 210 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:53:02,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-22 22:53:02,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 344. [2024-11-22 22:53:02,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 293 states have (on average 1.4129692832764504) internal successors, (414), 330 states have internal predecessors, (414), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:53:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 436 transitions. [2024-11-22 22:53:02,532 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 436 transitions. Word has length 48 [2024-11-22 22:53:02,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:02,532 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 436 transitions. [2024-11-22 22:53:02,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:53:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 436 transitions. [2024-11-22 22:53:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 22:53:02,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:02,533 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:02,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 22:53:02,533 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:02,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:02,534 INFO L85 PathProgramCache]: Analyzing trace with hash 142793174, now seen corresponding path program 1 times [2024-11-22 22:53:02,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:02,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970512021] [2024-11-22 22:53:02,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:02,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:02,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111095566] [2024-11-22 22:53:02,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:02,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:02,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:02,557 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:02,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:53:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:02,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:53:02,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:02,749 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:53:02,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:02,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970512021] [2024-11-22 22:53:02,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:02,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111095566] [2024-11-22 22:53:02,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111095566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:02,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:02,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 22:53:02,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969660133] [2024-11-22 22:53:02,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:02,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:53:02,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:02,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:53:02,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:53:02,751 INFO L87 Difference]: Start difference. First operand 344 states and 436 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:53:03,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:03,089 INFO L93 Difference]: Finished difference Result 376 states and 474 transitions. [2024-11-22 22:53:03,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:53:03,090 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2024-11-22 22:53:03,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:03,091 INFO L225 Difference]: With dead ends: 376 [2024-11-22 22:53:03,091 INFO L226 Difference]: Without dead ends: 374 [2024-11-22 22:53:03,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:53:03,091 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 156 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:03,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 308 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:53:03,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-22 22:53:03,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 363. [2024-11-22 22:53:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 311 states have (on average 1.4019292604501608) internal successors, (436), 348 states have internal predecessors, (436), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:53:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 460 transitions. [2024-11-22 22:53:03,103 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 460 transitions. Word has length 48 [2024-11-22 22:53:03,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:03,103 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 460 transitions. [2024-11-22 22:53:03,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:53:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 460 transitions. [2024-11-22 22:53:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 22:53:03,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:03,104 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:03,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:53:03,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:03,305 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:03,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:03,305 INFO L85 PathProgramCache]: Analyzing trace with hash -2034176661, now seen corresponding path program 1 times [2024-11-22 22:53:03,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:03,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640913763] [2024-11-22 22:53:03,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:03,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:53:03,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:03,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640913763] [2024-11-22 22:53:03,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640913763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:03,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:03,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:53:03,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031033952] [2024-11-22 22:53:03,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:03,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:53:03,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:03,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:53:03,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:53:03,352 INFO L87 Difference]: Start difference. First operand 363 states and 460 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:53:03,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:03,583 INFO L93 Difference]: Finished difference Result 375 states and 462 transitions. [2024-11-22 22:53:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:53:03,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2024-11-22 22:53:03,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:03,585 INFO L225 Difference]: With dead ends: 375 [2024-11-22 22:53:03,585 INFO L226 Difference]: Without dead ends: 374 [2024-11-22 22:53:03,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:53:03,585 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 29 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:03,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 216 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:53:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-22 22:53:03,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 364. [2024-11-22 22:53:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 312 states have (on average 1.3974358974358974) internal successors, (436), 349 states have internal predecessors, (436), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:53:03,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 460 transitions. [2024-11-22 22:53:03,597 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 460 transitions. Word has length 49 [2024-11-22 22:53:03,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:03,597 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 460 transitions. [2024-11-22 22:53:03,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:53:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 460 transitions. [2024-11-22 22:53:03,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 22:53:03,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:03,598 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:03,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 22:53:03,598 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:03,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:03,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1196119165, now seen corresponding path program 1 times [2024-11-22 22:53:03,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:03,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891691040] [2024-11-22 22:53:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:03,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:03,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1290151042] [2024-11-22 22:53:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:03,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:03,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:03,610 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:03,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:53:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:03,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:53:03,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:03,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:03,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:03,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891691040] [2024-11-22 22:53:03,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:03,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290151042] [2024-11-22 22:53:03,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290151042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:03,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:03,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:53:03,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297602160] [2024-11-22 22:53:03,962 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:03,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:53:03,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:03,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:53:03,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:53:03,963 INFO L87 Difference]: Start difference. First operand 364 states and 460 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:04,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:04,293 INFO L93 Difference]: Finished difference Result 396 states and 498 transitions. [2024-11-22 22:53:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:53:04,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2024-11-22 22:53:04,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:04,294 INFO L225 Difference]: With dead ends: 396 [2024-11-22 22:53:04,294 INFO L226 Difference]: Without dead ends: 394 [2024-11-22 22:53:04,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:53:04,295 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 171 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:04,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 287 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:53:04,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-22 22:53:04,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 384. [2024-11-22 22:53:04,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 331 states have (on average 1.3897280966767371) internal successors, (460), 368 states have internal predecessors, (460), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:53:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 486 transitions. [2024-11-22 22:53:04,307 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 486 transitions. Word has length 49 [2024-11-22 22:53:04,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:04,308 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 486 transitions. [2024-11-22 22:53:04,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 486 transitions. [2024-11-22 22:53:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 22:53:04,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:04,308 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:04,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-22 22:53:04,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-22 22:53:04,509 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:04,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:04,510 INFO L85 PathProgramCache]: Analyzing trace with hash 131621156, now seen corresponding path program 1 times [2024-11-22 22:53:04,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:04,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213374146] [2024-11-22 22:53:04,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:04,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:04,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1366643996] [2024-11-22 22:53:04,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:04,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:04,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:04,520 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:04,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:53:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:04,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-22 22:53:04,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:04,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:05,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:05,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213374146] [2024-11-22 22:53:05,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:05,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366643996] [2024-11-22 22:53:05,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366643996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:05,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:05,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:53:05,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348828378] [2024-11-22 22:53:05,119 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:05,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:53:05,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:05,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:53:05,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:53:05,120 INFO L87 Difference]: Start difference. First operand 384 states and 486 transitions. Second operand has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:53:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:05,562 INFO L93 Difference]: Finished difference Result 615 states and 778 transitions. [2024-11-22 22:53:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:53:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2024-11-22 22:53:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:05,564 INFO L225 Difference]: With dead ends: 615 [2024-11-22 22:53:05,564 INFO L226 Difference]: Without dead ends: 385 [2024-11-22 22:53:05,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:53:05,565 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 275 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:05,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 250 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:53:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-22 22:53:05,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 378. [2024-11-22 22:53:05,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 325 states have (on average 1.3876923076923078) internal successors, (451), 362 states have internal predecessors, (451), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:53:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 477 transitions. [2024-11-22 22:53:05,577 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 477 transitions. Word has length 49 [2024-11-22 22:53:05,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:05,577 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 477 transitions. [2024-11-22 22:53:05,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:53:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 477 transitions. [2024-11-22 22:53:05,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 22:53:05,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:05,578 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:05,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-22 22:53:05,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-22 22:53:05,780 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:05,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:05,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1575011491, now seen corresponding path program 1 times [2024-11-22 22:53:05,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:05,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532462922] [2024-11-22 22:53:05,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:05,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:05,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273859042] [2024-11-22 22:53:05,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:05,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:05,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:05,801 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:05,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:53:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:05,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 22:53:05,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:06,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:06,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:06,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532462922] [2024-11-22 22:53:06,405 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:06,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273859042] [2024-11-22 22:53:06,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273859042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:06,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:06,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:53:06,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121393678] [2024-11-22 22:53:06,405 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:06,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:53:06,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:06,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:53:06,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:53:06,406 INFO L87 Difference]: Start difference. First operand 378 states and 477 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:53:06,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:06,806 INFO L93 Difference]: Finished difference Result 401 states and 504 transitions. [2024-11-22 22:53:06,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:53:06,807 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 50 [2024-11-22 22:53:06,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:06,808 INFO L225 Difference]: With dead ends: 401 [2024-11-22 22:53:06,808 INFO L226 Difference]: Without dead ends: 400 [2024-11-22 22:53:06,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:53:06,809 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 145 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:06,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 282 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:53:06,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-22 22:53:06,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 385. [2024-11-22 22:53:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 332 states have (on average 1.3795180722891567) internal successors, (458), 369 states have internal predecessors, (458), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:53:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 484 transitions. [2024-11-22 22:53:06,833 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 484 transitions. Word has length 50 [2024-11-22 22:53:06,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:06,834 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 484 transitions. [2024-11-22 22:53:06,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:53:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 484 transitions. [2024-11-22 22:53:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:53:06,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:06,834 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:06,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:53:07,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-22 22:53:07,035 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:07,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:07,035 INFO L85 PathProgramCache]: Analyzing trace with hash -633650067, now seen corresponding path program 1 times [2024-11-22 22:53:07,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:07,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171472441] [2024-11-22 22:53:07,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:07,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:07,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189061924] [2024-11-22 22:53:07,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:07,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:07,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:07,053 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:07,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:53:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:07,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:53:07,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:07,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:07,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:07,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171472441] [2024-11-22 22:53:07,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:07,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189061924] [2024-11-22 22:53:07,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189061924] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:07,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:07,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:53:07,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24446873] [2024-11-22 22:53:07,782 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:07,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:53:07,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:07,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:53:07,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:53:07,782 INFO L87 Difference]: Start difference. First operand 385 states and 484 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:08,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:08,029 INFO L93 Difference]: Finished difference Result 445 states and 577 transitions. [2024-11-22 22:53:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:53:08,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2024-11-22 22:53:08,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:08,030 INFO L225 Difference]: With dead ends: 445 [2024-11-22 22:53:08,030 INFO L226 Difference]: Without dead ends: 435 [2024-11-22 22:53:08,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:53:08,031 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 136 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:08,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 104 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:53:08,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-22 22:53:08,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 368. [2024-11-22 22:53:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 325 states have (on average 1.32) internal successors, (429), 352 states have internal predecessors, (429), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:53:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 455 transitions. [2024-11-22 22:53:08,044 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 455 transitions. Word has length 51 [2024-11-22 22:53:08,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:08,044 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 455 transitions. [2024-11-22 22:53:08,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 455 transitions. [2024-11-22 22:53:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:53:08,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:08,045 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:08,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-22 22:53:08,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-22 22:53:08,250 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:08,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:08,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1831684453, now seen corresponding path program 1 times [2024-11-22 22:53:08,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:08,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890141036] [2024-11-22 22:53:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:08,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [297112256] [2024-11-22 22:53:08,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:08,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:08,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:08,262 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:08,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:53:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:08,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:53:08,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:08,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:09,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:09,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890141036] [2024-11-22 22:53:09,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:09,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297112256] [2024-11-22 22:53:09,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297112256] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:53:09,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:53:09,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2024-11-22 22:53:09,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67023699] [2024-11-22 22:53:09,037 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:09,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 22:53:09,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:09,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 22:53:09,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:53:09,038 INFO L87 Difference]: Start difference. First operand 368 states and 455 transitions. Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 14 states have internal predecessors, (72), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:53:19,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-22 22:53:20,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:20,944 INFO L93 Difference]: Finished difference Result 936 states and 1245 transitions. [2024-11-22 22:53:20,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-22 22:53:20,944 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 14 states have internal predecessors, (72), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 52 [2024-11-22 22:53:20,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:20,946 INFO L225 Difference]: With dead ends: 936 [2024-11-22 22:53:20,947 INFO L226 Difference]: Without dead ends: 901 [2024-11-22 22:53:20,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=279, Invalid=776, Unknown=1, NotChecked=0, Total=1056 [2024-11-22 22:53:20,948 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 866 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 101 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:20,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 283 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1651 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2024-11-22 22:53:20,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-11-22 22:53:21,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 691. [2024-11-22 22:53:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 640 states have (on average 1.3375) internal successors, (856), 666 states have internal predecessors, (856), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:53:21,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 900 transitions. [2024-11-22 22:53:21,011 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 900 transitions. Word has length 52 [2024-11-22 22:53:21,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:21,011 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 900 transitions. [2024-11-22 22:53:21,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 14 states have internal predecessors, (72), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:53:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 900 transitions. [2024-11-22 22:53:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 22:53:21,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:21,012 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:21,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-22 22:53:21,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:21,212 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:21,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:21,213 INFO L85 PathProgramCache]: Analyzing trace with hash 947643247, now seen corresponding path program 1 times [2024-11-22 22:53:21,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:21,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100210311] [2024-11-22 22:53:21,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:21,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:21,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218078691] [2024-11-22 22:53:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:21,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:21,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:21,242 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:21,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:53:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:21,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:53:21,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:21,493 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:21,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:21,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:21,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100210311] [2024-11-22 22:53:21,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:21,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218078691] [2024-11-22 22:53:21,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218078691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:21,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:21,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:53:21,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676416921] [2024-11-22 22:53:21,660 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:21,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:53:21,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:21,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:53:21,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:53:21,661 INFO L87 Difference]: Start difference. First operand 691 states and 900 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:21,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:21,974 INFO L93 Difference]: Finished difference Result 801 states and 1053 transitions. [2024-11-22 22:53:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:53:21,974 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2024-11-22 22:53:21,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:21,976 INFO L225 Difference]: With dead ends: 801 [2024-11-22 22:53:21,977 INFO L226 Difference]: Without dead ends: 796 [2024-11-22 22:53:21,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:53:21,978 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 198 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:21,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 56 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:53:21,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-22 22:53:22,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 660. [2024-11-22 22:53:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 615 states have (on average 1.2975609756097561) internal successors, (798), 636 states have internal predecessors, (798), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-22 22:53:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 840 transitions. [2024-11-22 22:53:22,007 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 840 transitions. Word has length 53 [2024-11-22 22:53:22,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:22,007 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 840 transitions. [2024-11-22 22:53:22,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 840 transitions. [2024-11-22 22:53:22,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 22:53:22,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:22,009 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:22,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-22 22:53:22,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:22,214 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:22,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:22,214 INFO L85 PathProgramCache]: Analyzing trace with hash -687830361, now seen corresponding path program 1 times [2024-11-22 22:53:22,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:22,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103566559] [2024-11-22 22:53:22,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:22,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:22,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915348428] [2024-11-22 22:53:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:22,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:22,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:22,234 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:22,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:53:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:22,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:53:22,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:22,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:23,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:23,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103566559] [2024-11-22 22:53:23,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:23,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915348428] [2024-11-22 22:53:23,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915348428] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:53:23,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:53:23,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2024-11-22 22:53:23,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594426475] [2024-11-22 22:53:23,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:23,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 22:53:23,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:23,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 22:53:23,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:53:23,285 INFO L87 Difference]: Start difference. First operand 660 states and 840 transitions. Second operand has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 14 states have internal predecessors, (76), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:53:28,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:28,492 INFO L93 Difference]: Finished difference Result 783 states and 993 transitions. [2024-11-22 22:53:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:53:28,492 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 14 states have internal predecessors, (76), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 54 [2024-11-22 22:53:28,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:28,498 INFO L225 Difference]: With dead ends: 783 [2024-11-22 22:53:28,498 INFO L226 Difference]: Without dead ends: 782 [2024-11-22 22:53:28,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:53:28,498 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 333 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:28,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 272 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-22 22:53:28,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-22 22:53:28,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 689. [2024-11-22 22:53:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 643 states have (on average 1.2877138413685847) internal successors, (828), 664 states have internal predecessors, (828), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:53:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 872 transitions. [2024-11-22 22:53:28,569 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 872 transitions. Word has length 54 [2024-11-22 22:53:28,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:28,569 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 872 transitions. [2024-11-22 22:53:28,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 14 states have internal predecessors, (76), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:53:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 872 transitions. [2024-11-22 22:53:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:53:28,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:28,569 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:28,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-22 22:53:28,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:28,773 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:28,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:28,774 INFO L85 PathProgramCache]: Analyzing trace with hash 152095345, now seen corresponding path program 1 times [2024-11-22 22:53:28,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:28,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249711694] [2024-11-22 22:53:28,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:28,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [605709378] [2024-11-22 22:53:28,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:28,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:28,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:28,794 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:28,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:53:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:28,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:53:28,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:29,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:29,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:29,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249711694] [2024-11-22 22:53:29,548 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:29,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605709378] [2024-11-22 22:53:29,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605709378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:29,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:29,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:53:29,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025009161] [2024-11-22 22:53:29,548 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:29,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:53:29,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:29,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:53:29,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:53:29,549 INFO L87 Difference]: Start difference. First operand 689 states and 872 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:30,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:30,119 INFO L93 Difference]: Finished difference Result 761 states and 957 transitions. [2024-11-22 22:53:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:53:30,120 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2024-11-22 22:53:30,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:30,121 INFO L225 Difference]: With dead ends: 761 [2024-11-22 22:53:30,122 INFO L226 Difference]: Without dead ends: 757 [2024-11-22 22:53:30,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:53:30,122 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 185 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:30,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 163 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:53:30,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-22 22:53:30,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 669. [2024-11-22 22:53:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 624 states have (on average 1.2612179487179487) internal successors, (787), 645 states have internal predecessors, (787), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-22 22:53:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 829 transitions. [2024-11-22 22:53:30,169 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 829 transitions. Word has length 55 [2024-11-22 22:53:30,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:30,169 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 829 transitions. [2024-11-22 22:53:30,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 829 transitions. [2024-11-22 22:53:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 22:53:30,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:30,170 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:30,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-22 22:53:30,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:30,372 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:30,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:30,372 INFO L85 PathProgramCache]: Analyzing trace with hash 419988457, now seen corresponding path program 1 times [2024-11-22 22:53:30,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:30,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446490526] [2024-11-22 22:53:30,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:30,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:30,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569448226] [2024-11-22 22:53:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:30,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:30,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:30,393 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:30,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:53:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:30,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 22:53:30,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:30,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:31,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:31,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446490526] [2024-11-22 22:53:31,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:31,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569448226] [2024-11-22 22:53:31,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569448226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:31,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:31,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:53:31,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259180425] [2024-11-22 22:53:31,223 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:31,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:53:31,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:31,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:53:31,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:53:31,224 INFO L87 Difference]: Start difference. First operand 669 states and 829 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:32,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:32,013 INFO L93 Difference]: Finished difference Result 692 states and 856 transitions. [2024-11-22 22:53:32,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:53:32,013 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2024-11-22 22:53:32,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:32,015 INFO L225 Difference]: With dead ends: 692 [2024-11-22 22:53:32,015 INFO L226 Difference]: Without dead ends: 691 [2024-11-22 22:53:32,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:53:32,016 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 274 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:32,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 189 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:53:32,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-11-22 22:53:32,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 676. [2024-11-22 22:53:32,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 631 states have (on average 1.2583201267828843) internal successors, (794), 652 states have internal predecessors, (794), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-22 22:53:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 836 transitions. [2024-11-22 22:53:32,046 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 836 transitions. Word has length 56 [2024-11-22 22:53:32,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:32,046 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 836 transitions. [2024-11-22 22:53:32,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:53:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 836 transitions. [2024-11-22 22:53:32,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:53:32,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:32,047 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:32,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-22 22:53:32,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:32,252 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:32,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:32,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1288458670, now seen corresponding path program 1 times [2024-11-22 22:53:32,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:32,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489098214] [2024-11-22 22:53:32,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:32,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:32,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44463889] [2024-11-22 22:53:32,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:32,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:32,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:32,277 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:32,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:53:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:32,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 22:53:32,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 22:53:32,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:33,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:33,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489098214] [2024-11-22 22:53:33,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:33,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44463889] [2024-11-22 22:53:33,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44463889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:33,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:33,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-22 22:53:33,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891866086] [2024-11-22 22:53:33,866 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:33,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:53:33,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:33,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:53:33,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:53:33,867 INFO L87 Difference]: Start difference. First operand 676 states and 836 transitions. Second operand has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 22:53:35,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:35,003 INFO L93 Difference]: Finished difference Result 742 states and 918 transitions. [2024-11-22 22:53:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:53:35,003 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 62 [2024-11-22 22:53:35,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:35,005 INFO L225 Difference]: With dead ends: 742 [2024-11-22 22:53:35,005 INFO L226 Difference]: Without dead ends: 741 [2024-11-22 22:53:35,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-22 22:53:35,006 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 197 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:35,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 229 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:53:35,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-22 22:53:35,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 700. [2024-11-22 22:53:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 654 states have (on average 1.2584097859327217) internal successors, (823), 675 states have internal predecessors, (823), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:53:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 867 transitions. [2024-11-22 22:53:35,038 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 867 transitions. Word has length 62 [2024-11-22 22:53:35,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:35,038 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 867 transitions. [2024-11-22 22:53:35,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 22:53:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 867 transitions. [2024-11-22 22:53:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-22 22:53:35,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:35,039 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:35,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-22 22:53:35,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-22 22:53:35,243 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:35,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:35,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1702635893, now seen corresponding path program 1 times [2024-11-22 22:53:35,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:35,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594677917] [2024-11-22 22:53:35,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:35,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:35,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1642397901] [2024-11-22 22:53:35,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:35,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:35,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:35,260 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:35,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:53:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:35,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:53:35,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:35,953 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 22:53:35,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:37,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:37,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594677917] [2024-11-22 22:53:37,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:37,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642397901] [2024-11-22 22:53:37,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642397901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:37,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:37,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-22 22:53:37,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260346953] [2024-11-22 22:53:37,068 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:37,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:53:37,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:37,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:53:37,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:53:37,069 INFO L87 Difference]: Start difference. First operand 700 states and 867 transitions. Second operand has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 22:53:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:37,981 INFO L93 Difference]: Finished difference Result 924 states and 1160 transitions. [2024-11-22 22:53:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:53:37,981 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 63 [2024-11-22 22:53:37,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:37,984 INFO L225 Difference]: With dead ends: 924 [2024-11-22 22:53:37,984 INFO L226 Difference]: Without dead ends: 918 [2024-11-22 22:53:37,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=247, Invalid=623, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:53:37,984 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 287 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:37,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 170 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:53:37,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2024-11-22 22:53:38,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 806. [2024-11-22 22:53:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 754 states have (on average 1.2758620689655173) internal successors, (962), 775 states have internal predecessors, (962), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-22 22:53:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1018 transitions. [2024-11-22 22:53:38,035 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1018 transitions. Word has length 63 [2024-11-22 22:53:38,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:38,035 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1018 transitions. [2024-11-22 22:53:38,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 22:53:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1018 transitions. [2024-11-22 22:53:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-22 22:53:38,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:38,036 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:38,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:53:38,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-22 22:53:38,241 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:38,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:38,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1303611718, now seen corresponding path program 1 times [2024-11-22 22:53:38,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:38,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235503848] [2024-11-22 22:53:38,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:38,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:53:38,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:38,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235503848] [2024-11-22 22:53:38,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235503848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:38,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115876307] [2024-11-22 22:53:38,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:38,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:38,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:38,293 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:38,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:53:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:38,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:53:38,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:53:38,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:53:38,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115876307] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:53:38,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:53:38,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-22 22:53:38,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210950346] [2024-11-22 22:53:38,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:38,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:53:38,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:38,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:53:38,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:53:38,430 INFO L87 Difference]: Start difference. First operand 806 states and 1018 transitions. Second operand has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-22 22:53:38,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:38,632 INFO L93 Difference]: Finished difference Result 1547 states and 2021 transitions. [2024-11-22 22:53:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:53:38,632 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 63 [2024-11-22 22:53:38,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:38,635 INFO L225 Difference]: With dead ends: 1547 [2024-11-22 22:53:38,636 INFO L226 Difference]: Without dead ends: 1546 [2024-11-22 22:53:38,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:53:38,637 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 143 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:38,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 303 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:53:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-11-22 22:53:38,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1519. [2024-11-22 22:53:38,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1448 states have (on average 1.3197513812154695) internal successors, (1911), 1469 states have internal predecessors, (1911), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-22 22:53:38,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2005 transitions. [2024-11-22 22:53:38,722 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2005 transitions. Word has length 63 [2024-11-22 22:53:38,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:38,723 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 2005 transitions. [2024-11-22 22:53:38,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-22 22:53:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2005 transitions. [2024-11-22 22:53:38,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:53:38,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:38,723 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:38,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-22 22:53:38,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-22 22:53:38,924 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:38,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:38,925 INFO L85 PathProgramCache]: Analyzing trace with hash -195124891, now seen corresponding path program 1 times [2024-11-22 22:53:38,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:38,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353648798] [2024-11-22 22:53:38,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:38,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:53:39,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:39,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353648798] [2024-11-22 22:53:39,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353648798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:39,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:39,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-22 22:53:39,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714101038] [2024-11-22 22:53:39,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:39,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:53:39,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:39,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:53:39,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:53:39,199 INFO L87 Difference]: Start difference. First operand 1519 states and 2005 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 22:53:39,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:39,975 INFO L93 Difference]: Finished difference Result 2164 states and 2935 transitions. [2024-11-22 22:53:39,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:53:39,976 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 65 [2024-11-22 22:53:39,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:39,981 INFO L225 Difference]: With dead ends: 2164 [2024-11-22 22:53:39,981 INFO L226 Difference]: Without dead ends: 2162 [2024-11-22 22:53:39,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:53:39,982 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 285 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:39,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 198 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:53:39,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2024-11-22 22:53:40,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2058. [2024-11-22 22:53:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 1970 states have (on average 1.336548223350254) internal successors, (2633), 1991 states have internal predecessors, (2633), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-22 22:53:40,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2761 transitions. [2024-11-22 22:53:40,071 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2761 transitions. Word has length 65 [2024-11-22 22:53:40,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:40,071 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2761 transitions. [2024-11-22 22:53:40,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 22:53:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2761 transitions. [2024-11-22 22:53:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 22:53:40,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:40,072 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:40,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-22 22:53:40,072 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:40,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:40,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1975709185, now seen corresponding path program 1 times [2024-11-22 22:53:40,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:40,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539167894] [2024-11-22 22:53:40,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:40,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:53:40,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:40,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539167894] [2024-11-22 22:53:40,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539167894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:40,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:40,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:53:40,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099192902] [2024-11-22 22:53:40,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:40,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:53:40,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:40,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:53:40,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:53:40,145 INFO L87 Difference]: Start difference. First operand 2058 states and 2761 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:53:40,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:40,335 INFO L93 Difference]: Finished difference Result 3887 states and 5295 transitions. [2024-11-22 22:53:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:53:40,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 66 [2024-11-22 22:53:40,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:40,341 INFO L225 Difference]: With dead ends: 3887 [2024-11-22 22:53:40,341 INFO L226 Difference]: Without dead ends: 2203 [2024-11-22 22:53:40,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:53:40,344 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 5 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:40,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 117 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:53:40,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2203 states. [2024-11-22 22:53:40,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2203 to 2163. [2024-11-22 22:53:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2163 states, 2060 states have (on average 1.3276699029126213) internal successors, (2735), 2081 states have internal predecessors, (2735), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-22 22:53:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 2163 states and 2893 transitions. [2024-11-22 22:53:40,454 INFO L78 Accepts]: Start accepts. Automaton has 2163 states and 2893 transitions. Word has length 66 [2024-11-22 22:53:40,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:40,455 INFO L471 AbstractCegarLoop]: Abstraction has 2163 states and 2893 transitions. [2024-11-22 22:53:40,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:53:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2893 transitions. [2024-11-22 22:53:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 22:53:40,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:40,455 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:40,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-22 22:53:40,455 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:40,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:40,456 INFO L85 PathProgramCache]: Analyzing trace with hash 639793665, now seen corresponding path program 1 times [2024-11-22 22:53:40,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:40,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710437007] [2024-11-22 22:53:40,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:40,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:53:40,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:40,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710437007] [2024-11-22 22:53:40,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710437007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:40,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:40,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:53:40,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862095644] [2024-11-22 22:53:40,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:40,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:53:40,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:40,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:53:40,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:53:40,579 INFO L87 Difference]: Start difference. First operand 2163 states and 2893 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:53:40,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:40,793 INFO L93 Difference]: Finished difference Result 3921 states and 5315 transitions. [2024-11-22 22:53:40,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:53:40,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 66 [2024-11-22 22:53:40,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:40,800 INFO L225 Difference]: With dead ends: 3921 [2024-11-22 22:53:40,800 INFO L226 Difference]: Without dead ends: 2219 [2024-11-22 22:53:40,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:53:40,802 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 10 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:40,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 117 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:53:40,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2024-11-22 22:53:40,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2133. [2024-11-22 22:53:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2025 states have (on average 1.3303703703703704) internal successors, (2694), 2046 states have internal predecessors, (2694), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-22 22:53:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2862 transitions. [2024-11-22 22:53:40,896 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2862 transitions. Word has length 66 [2024-11-22 22:53:40,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:40,896 INFO L471 AbstractCegarLoop]: Abstraction has 2133 states and 2862 transitions. [2024-11-22 22:53:40,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:53:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2862 transitions. [2024-11-22 22:53:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 22:53:40,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:40,897 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:40,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-22 22:53:40,897 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:40,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:40,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1616496408, now seen corresponding path program 1 times [2024-11-22 22:53:40,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:40,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218123627] [2024-11-22 22:53:40,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:40,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:53:41,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:41,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218123627] [2024-11-22 22:53:41,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218123627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:41,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:41,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:53:41,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812599393] [2024-11-22 22:53:41,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:41,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:53:41,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:41,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:53:41,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:53:41,024 INFO L87 Difference]: Start difference. First operand 2133 states and 2862 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:53:41,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:41,299 INFO L93 Difference]: Finished difference Result 3999 states and 5413 transitions. [2024-11-22 22:53:41,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:53:41,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 67 [2024-11-22 22:53:41,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:41,304 INFO L225 Difference]: With dead ends: 3999 [2024-11-22 22:53:41,304 INFO L226 Difference]: Without dead ends: 2207 [2024-11-22 22:53:41,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:53:41,306 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 21 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:41,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 178 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:53:41,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2024-11-22 22:53:41,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2091. [2024-11-22 22:53:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2091 states, 1985 states have (on average 1.3239294710327456) internal successors, (2628), 2006 states have internal predecessors, (2628), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-22 22:53:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 2091 states and 2792 transitions. [2024-11-22 22:53:41,416 INFO L78 Accepts]: Start accepts. Automaton has 2091 states and 2792 transitions. Word has length 67 [2024-11-22 22:53:41,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:41,416 INFO L471 AbstractCegarLoop]: Abstraction has 2091 states and 2792 transitions. [2024-11-22 22:53:41,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:53:41,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2792 transitions. [2024-11-22 22:53:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 22:53:41,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:41,417 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:41,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-22 22:53:41,417 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:41,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:41,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1943265364, now seen corresponding path program 2 times [2024-11-22 22:53:41,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:41,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52546686] [2024-11-22 22:53:41,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:53:41,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:41,431 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:53:41,431 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:53:41,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957098214] [2024-11-22 22:53:41,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:53:41,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:41,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:41,434 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:41,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:53:41,483 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:53:41,484 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:53:41,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-22 22:53:41,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-22 22:53:42,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:44,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:44,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52546686] [2024-11-22 22:53:44,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:44,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957098214] [2024-11-22 22:53:44,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957098214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:44,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:44,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-22 22:53:44,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354059762] [2024-11-22 22:53:44,533 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:44,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-22 22:53:44,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:44,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-22 22:53:44,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:53:44,534 INFO L87 Difference]: Start difference. First operand 2091 states and 2792 transitions. Second operand has 20 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 19 states have internal predecessors, (55), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 22:53:46,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:46,196 INFO L93 Difference]: Finished difference Result 2111 states and 2814 transitions. [2024-11-22 22:53:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:53:46,197 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 19 states have internal predecessors, (55), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 68 [2024-11-22 22:53:46,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:46,203 INFO L225 Difference]: With dead ends: 2111 [2024-11-22 22:53:46,203 INFO L226 Difference]: Without dead ends: 2109 [2024-11-22 22:53:46,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=172, Invalid=758, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:53:46,205 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 132 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:46,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 352 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 22:53:46,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2024-11-22 22:53:46,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2091. [2024-11-22 22:53:46,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2091 states, 1985 states have (on average 1.3229219143576827) internal successors, (2626), 2006 states have internal predecessors, (2626), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-22 22:53:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 2091 states and 2790 transitions. [2024-11-22 22:53:46,305 INFO L78 Accepts]: Start accepts. Automaton has 2091 states and 2790 transitions. Word has length 68 [2024-11-22 22:53:46,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:46,305 INFO L471 AbstractCegarLoop]: Abstraction has 2091 states and 2790 transitions. [2024-11-22 22:53:46,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 19 states have internal predecessors, (55), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 22:53:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2790 transitions. [2024-11-22 22:53:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 22:53:46,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:46,306 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:46,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-22 22:53:46,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:46,511 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-22 22:53:46,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:46,512 INFO L85 PathProgramCache]: Analyzing trace with hash 2012473385, now seen corresponding path program 1 times [2024-11-22 22:53:46,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:46,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130071819] [2024-11-22 22:53:46,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:46,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:46,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879286468] [2024-11-22 22:53:46,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:46,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:46,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:46,536 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:46,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:53:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:46,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-22 22:53:46,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:53:47,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:53:57,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:57,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130071819] [2024-11-22 22:53:57,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:57,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879286468] [2024-11-22 22:53:57,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879286468] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:53:57,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:53:57,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-22 22:53:57,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670063309] [2024-11-22 22:53:57,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:57,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-22 22:53:57,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:57,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-22 22:53:57,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=485, Unknown=1, NotChecked=0, Total=600 [2024-11-22 22:53:57,643 INFO L87 Difference]: Start difference. First operand 2091 states and 2790 transitions. Second operand has 25 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10)