./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1af9610c3f2ac44e456633c84d2e8d0495857443026005d5daf994731366c726 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:42:13,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:42:13,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:42:13,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:42:13,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:42:13,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:42:13,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:42:13,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:42:13,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:42:13,891 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:42:13,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:42:13,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:42:13,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:42:13,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:42:13,893 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:42:13,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:42:13,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:42:13,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:42:13,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:42:13,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:42:13,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:42:13,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:42:13,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:42:13,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:42:13,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:42:13,901 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:42:13,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:42:13,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:42:13,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:42:13,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:42:13,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:42:13,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:42:13,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:42:13,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:42:13,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:42:13,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:42:13,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:42:13,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:42:13,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:42:13,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:42:13,905 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:42:13,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:42:13,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:42:13,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:42:13,906 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1af9610c3f2ac44e456633c84d2e8d0495857443026005d5daf994731366c726 [2024-10-11 20:42:14,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:42:14,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:42:14,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:42:14,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:42:14,137 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:42:14,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.c [2024-10-11 20:42:15,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:42:15,498 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:42:15,499 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.c [2024-10-11 20:42:15,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6d8824409/4962d872fede430898414e4dfae8b33f/FLAGd45655f4c [2024-10-11 20:42:15,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6d8824409/4962d872fede430898414e4dfae8b33f [2024-10-11 20:42:15,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:42:15,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:42:15,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:42:15,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:42:15,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:42:15,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:42:15" (1/1) ... [2024-10-11 20:42:15,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278c87c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:15, skipping insertion in model container [2024-10-11 20:42:15,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:42:15" (1/1) ... [2024-10-11 20:42:15,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:42:16,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:42:16,088 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:42:16,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:42:16,122 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:42:16,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16 WrapperNode [2024-10-11 20:42:16,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:42:16,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:42:16,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:42:16,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:42:16,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,152 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-10-11 20:42:16,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:42:16,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:42:16,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:42:16,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:42:16,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,175 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 20:42:16,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:42:16,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:42:16,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:42:16,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:42:16,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (1/1) ... [2024-10-11 20:42:16,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:42:16,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:16,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:42:16,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:42:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:42:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 20:42:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 20:42:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:42:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:42:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:42:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:42:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:42:16,308 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:42:16,310 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:42:16,982 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-10-11 20:42:16,982 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:42:17,009 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:42:17,010 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:42:17,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:42:17 BoogieIcfgContainer [2024-10-11 20:42:17,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:42:17,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:42:17,014 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:42:17,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:42:17,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:42:15" (1/3) ... [2024-10-11 20:42:17,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d65582c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:42:17, skipping insertion in model container [2024-10-11 20:42:17,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:16" (2/3) ... [2024-10-11 20:42:17,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d65582c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:42:17, skipping insertion in model container [2024-10-11 20:42:17,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:42:17" (3/3) ... [2024-10-11 20:42:17,021 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound10.c [2024-10-11 20:42:17,035 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:42:17,035 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-10-11 20:42:17,092 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:42:17,098 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;@182c4410, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:42:17,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-10-11 20:42:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 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) [2024-10-11 20:42:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:42:17,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:17,109 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:17,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:17,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:17,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1634057786, now seen corresponding path program 1 times [2024-10-11 20:42:17,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:17,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075625202] [2024-10-11 20:42:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:17,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:17,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:17,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:17,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:17,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:42:17,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:17,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075625202] [2024-10-11 20:42:17,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075625202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:17,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:17,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:42:17,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117567334] [2024-10-11 20:42:17,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:17,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:42:17,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:42:17,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:42:17,309 INFO L87 Difference]: Start difference. First operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 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) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:42:17,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:17,351 INFO L93 Difference]: Finished difference Result 313 states and 359 transitions. [2024-10-11 20:42:17,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:42:17,353 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2024-10-11 20:42:17,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:17,362 INFO L225 Difference]: With dead ends: 313 [2024-10-11 20:42:17,363 INFO L226 Difference]: Without dead ends: 154 [2024-10-11 20:42:17,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:42:17,369 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:17,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:42:17,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-11 20:42:17,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-11 20:42:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 78 states have (on average 1.8205128205128205) internal successors, (142), 141 states have internal predecessors, (142), 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) [2024-10-11 20:42:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2024-10-11 20:42:17,414 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 24 [2024-10-11 20:42:17,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:17,414 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2024-10-11 20:42:17,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:42:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-10-11 20:42:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:42:17,415 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:17,416 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:17,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:42:17,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:17,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:17,417 INFO L85 PathProgramCache]: Analyzing trace with hash 385715966, now seen corresponding path program 1 times [2024-10-11 20:42:17,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:17,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340115947] [2024-10-11 20:42:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:17,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:17,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094542359] [2024-10-11 20:42:17,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:17,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:17,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:17,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:17,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:42:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:17,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:42:17,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 20:42:17,655 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:17,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:17,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340115947] [2024-10-11 20:42:17,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:17,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094542359] [2024-10-11 20:42:17,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094542359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:17,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:17,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:42:17,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659183155] [2024-10-11 20:42:17,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:17,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:42:17,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:17,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:42:17,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:17,659 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:42:18,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:18,073 INFO L93 Difference]: Finished difference Result 154 states and 164 transitions. [2024-10-11 20:42:18,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:18,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 24 [2024-10-11 20:42:18,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:18,075 INFO L225 Difference]: With dead ends: 154 [2024-10-11 20:42:18,075 INFO L226 Difference]: Without dead ends: 152 [2024-10-11 20:42:18,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:18,077 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 196 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:18,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 236 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:18,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-11 20:42:18,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-10-11 20:42:18,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 78 states have (on average 1.794871794871795) internal successors, (140), 139 states have internal predecessors, (140), 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) [2024-10-11 20:42:18,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-10-11 20:42:18,088 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 24 [2024-10-11 20:42:18,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:18,090 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-10-11 20:42:18,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:42:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-10-11 20:42:18,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:42:18,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:18,091 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:18,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:42:18,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:18,292 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:18,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:18,293 INFO L85 PathProgramCache]: Analyzing trace with hash -927706900, now seen corresponding path program 1 times [2024-10-11 20:42:18,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:18,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242618241] [2024-10-11 20:42:18,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:18,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:18,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [73746878] [2024-10-11 20:42:18,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:18,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:18,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:18,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:18,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:42:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:18,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:42:18,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 20:42:18,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:18,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:18,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242618241] [2024-10-11 20:42:18,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:18,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73746878] [2024-10-11 20:42:18,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73746878] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:18,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:18,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:42:18,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264488607] [2024-10-11 20:42:18,718 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:18,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:42:18,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:18,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:42:18,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:42:18,719 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-10-11 20:42:19,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:19,126 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2024-10-11 20:42:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:19,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 25 [2024-10-11 20:42:19,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:19,128 INFO L225 Difference]: With dead ends: 152 [2024-10-11 20:42:19,128 INFO L226 Difference]: Without dead ends: 151 [2024-10-11 20:42:19,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:42:19,129 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 285 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:19,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 220 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-11 20:42:19,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-10-11 20:42:19,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 138 states have internal predecessors, (139), 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) [2024-10-11 20:42:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2024-10-11 20:42:19,136 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 25 [2024-10-11 20:42:19,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:19,137 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2024-10-11 20:42:19,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-10-11 20:42:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-10-11 20:42:19,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:42:19,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:19,138 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:19,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:19,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:19,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:19,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:19,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1810640804, now seen corresponding path program 1 times [2024-10-11 20:42:19,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:19,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620555145] [2024-10-11 20:42:19,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:19,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:19,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:19,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:19,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:19,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:19,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:19,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:19,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620555145] [2024-10-11 20:42:19,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620555145] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:19,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661199289] [2024-10-11 20:42:19,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:19,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:19,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:19,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:19,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:42:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:19,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:42:19,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:19,606 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:19,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661199289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:19,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:19,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-10-11 20:42:19,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417884388] [2024-10-11 20:42:19,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:19,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:42:19,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:19,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:42:19,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:19,608 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:19,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:19,919 INFO L93 Difference]: Finished difference Result 257 states and 289 transitions. [2024-10-11 20:42:19,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:42:19,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-10-11 20:42:19,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:19,921 INFO L225 Difference]: With dead ends: 257 [2024-10-11 20:42:19,922 INFO L226 Difference]: Without dead ends: 247 [2024-10-11 20:42:19,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:19,923 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 89 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:19,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 217 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:19,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-11 20:42:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 204. [2024-10-11 20:42:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 127 states have (on average 1.763779527559055) internal successors, (224), 186 states have internal predecessors, (224), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 20:42:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2024-10-11 20:42:19,942 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 40 [2024-10-11 20:42:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:19,943 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2024-10-11 20:42:19,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2024-10-11 20:42:19,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:42:19,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:19,944 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:19,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:42:20,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:20,145 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:20,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:20,145 INFO L85 PathProgramCache]: Analyzing trace with hash 295288537, now seen corresponding path program 1 times [2024-10-11 20:42:20,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:20,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393720088] [2024-10-11 20:42:20,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:20,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:20,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835451598] [2024-10-11 20:42:20,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:20,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:20,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:20,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:20,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:42:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:20,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:42:20,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:20,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:20,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:20,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393720088] [2024-10-11 20:42:20,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:20,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835451598] [2024-10-11 20:42:20,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835451598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:20,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:20,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:42:20,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278322290] [2024-10-11 20:42:20,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:20,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:42:20,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:20,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:42:20,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:20,213 INFO L87 Difference]: Start difference. First operand 204 states and 254 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 20:42:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:20,356 INFO L93 Difference]: Finished difference Result 350 states and 450 transitions. [2024-10-11 20:42:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:42:20,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2024-10-11 20:42:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:20,359 INFO L225 Difference]: With dead ends: 350 [2024-10-11 20:42:20,359 INFO L226 Difference]: Without dead ends: 342 [2024-10-11 20:42:20,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:20,359 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 83 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:20,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 271 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:42:20,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-11 20:42:20,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 303. [2024-10-11 20:42:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 218 states have (on average 1.7660550458715596) internal successors, (385), 277 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 431 transitions. [2024-10-11 20:42:20,377 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 431 transitions. Word has length 41 [2024-10-11 20:42:20,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:20,377 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 431 transitions. [2024-10-11 20:42:20,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 20:42:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 431 transitions. [2024-10-11 20:42:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 20:42:20,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:20,378 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:20,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:20,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:20,579 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:20,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:20,580 INFO L85 PathProgramCache]: Analyzing trace with hash 564063750, now seen corresponding path program 1 times [2024-10-11 20:42:20,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:20,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195987742] [2024-10-11 20:42:20,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:20,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:20,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:20,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:20,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:20,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:20,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:20,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:20,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:20,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195987742] [2024-10-11 20:42:20,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195987742] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:20,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572500946] [2024-10-11 20:42:20,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:20,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:20,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:20,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:20,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:42:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:20,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:20,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:20,795 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:20,795 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:20,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572500946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:20,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:20,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:20,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870291066] [2024-10-11 20:42:20,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:20,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:20,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:20,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:20,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:20,797 INFO L87 Difference]: Start difference. First operand 303 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:21,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:21,253 INFO L93 Difference]: Finished difference Result 322 states and 453 transitions. [2024-10-11 20:42:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:21,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-10-11 20:42:21,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:21,256 INFO L225 Difference]: With dead ends: 322 [2024-10-11 20:42:21,257 INFO L226 Difference]: Without dead ends: 321 [2024-10-11 20:42:21,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:21,258 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 59 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:21,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 199 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:21,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-11 20:42:21,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 304. [2024-10-11 20:42:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2024-10-11 20:42:21,275 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2024-10-11 20:42:21,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:21,275 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2024-10-11 20:42:21,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2024-10-11 20:42:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:42:21,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:21,278 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:21,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:42:21,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:21,480 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:21,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:21,480 INFO L85 PathProgramCache]: Analyzing trace with hash 304444923, now seen corresponding path program 1 times [2024-10-11 20:42:21,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:21,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336247592] [2024-10-11 20:42:21,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:21,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:21,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:21,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:21,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:21,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:21,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:21,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:21,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:21,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336247592] [2024-10-11 20:42:21,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336247592] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:21,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512935235] [2024-10-11 20:42:21,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:21,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:21,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:21,612 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:21,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:42:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:21,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:42:21,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:21,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:21,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512935235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:21,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:21,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-10-11 20:42:21,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850672144] [2024-10-11 20:42:21,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:21,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:21,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:21,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:21,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:42:21,711 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:22,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:22,394 INFO L93 Difference]: Finished difference Result 385 states and 452 transitions. [2024-10-11 20:42:22,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:22,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-11 20:42:22,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:22,397 INFO L225 Difference]: With dead ends: 385 [2024-10-11 20:42:22,397 INFO L226 Difference]: Without dead ends: 384 [2024-10-11 20:42:22,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:42:22,398 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 475 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:22,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 280 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:42:22,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-10-11 20:42:22,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 304. [2024-10-11 20:42:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7579908675799087) internal successors, (385), 278 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 431 transitions. [2024-10-11 20:42:22,412 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 431 transitions. Word has length 43 [2024-10-11 20:42:22,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:22,412 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 431 transitions. [2024-10-11 20:42:22,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 431 transitions. [2024-10-11 20:42:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:42:22,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:22,413 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:22,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:42:22,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 20:42:22,614 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:22,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:22,615 INFO L85 PathProgramCache]: Analyzing trace with hash 306107257, now seen corresponding path program 1 times [2024-10-11 20:42:22,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:22,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164684511] [2024-10-11 20:42:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:22,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:22,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:22,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:22,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:22,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164684511] [2024-10-11 20:42:22,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164684511] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:22,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454352322] [2024-10-11 20:42:22,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:22,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:22,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:22,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:22,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:42:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:22,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:22,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:22,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:22,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454352322] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:22,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:22,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:22,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592928037] [2024-10-11 20:42:22,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:22,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:22,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:22,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:22,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:22,749 INFO L87 Difference]: Start difference. First operand 304 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:23,119 INFO L93 Difference]: Finished difference Result 322 states and 451 transitions. [2024-10-11 20:42:23,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:23,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-11 20:42:23,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:23,121 INFO L225 Difference]: With dead ends: 322 [2024-10-11 20:42:23,121 INFO L226 Difference]: Without dead ends: 321 [2024-10-11 20:42:23,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:23,121 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 58 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:23,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 200 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:23,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-11 20:42:23,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 305. [2024-10-11 20:42:23,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2024-10-11 20:42:23,131 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 43 [2024-10-11 20:42:23,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:23,131 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2024-10-11 20:42:23,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2024-10-11 20:42:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:42:23,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:23,132 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:23,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:42:23,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:23,333 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:23,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:23,334 INFO L85 PathProgramCache]: Analyzing trace with hash 847858100, now seen corresponding path program 1 times [2024-10-11 20:42:23,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:23,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659684151] [2024-10-11 20:42:23,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:23,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:23,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875384727] [2024-10-11 20:42:23,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:23,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:23,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:23,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:23,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:42:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:23,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:42:23,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:23,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:23,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:23,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659684151] [2024-10-11 20:42:23,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:23,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875384727] [2024-10-11 20:42:23,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875384727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:23,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:23,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:42:23,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612614535] [2024-10-11 20:42:23,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:23,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:23,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:23,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:23,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:23,426 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:24,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:24,061 INFO L93 Difference]: Finished difference Result 384 states and 450 transitions. [2024-10-11 20:42:24,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:24,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-11 20:42:24,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:24,063 INFO L225 Difference]: With dead ends: 384 [2024-10-11 20:42:24,063 INFO L226 Difference]: Without dead ends: 383 [2024-10-11 20:42:24,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:24,063 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 470 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:24,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 281 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:42:24,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-11 20:42:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 305. [2024-10-11 20:42:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.75) internal successors, (385), 279 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 431 transitions. [2024-10-11 20:42:24,072 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 431 transitions. Word has length 44 [2024-10-11 20:42:24,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:24,073 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 431 transitions. [2024-10-11 20:42:24,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 431 transitions. [2024-10-11 20:42:24,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:42:24,073 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:24,073 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:24,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:24,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:24,275 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:24,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:24,275 INFO L85 PathProgramCache]: Analyzing trace with hash 899390568, now seen corresponding path program 1 times [2024-10-11 20:42:24,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:24,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164194298] [2024-10-11 20:42:24,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:24,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:24,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:24,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:24,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:24,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:24,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164194298] [2024-10-11 20:42:24,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164194298] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:24,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774280111] [2024-10-11 20:42:24,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:24,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:24,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:24,339 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:24,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:42:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:24,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:24,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:24,408 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:24,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774280111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:24,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:24,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:24,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425021519] [2024-10-11 20:42:24,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:24,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:24,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:24,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:24,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:24,411 INFO L87 Difference]: Start difference. First operand 305 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:25,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:25,589 INFO L93 Difference]: Finished difference Result 354 states and 459 transitions. [2024-10-11 20:42:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:25,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-11 20:42:25,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:25,591 INFO L225 Difference]: With dead ends: 354 [2024-10-11 20:42:25,591 INFO L226 Difference]: Without dead ends: 350 [2024-10-11 20:42:25,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:25,591 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 96 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:25,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 269 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:42:25,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-11 20:42:25,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 306. [2024-10-11 20:42:25,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.7239819004524888) internal successors, (381), 280 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 427 transitions. [2024-10-11 20:42:25,612 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 427 transitions. Word has length 44 [2024-10-11 20:42:25,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:25,612 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 427 transitions. [2024-10-11 20:42:25,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:25,612 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 427 transitions. [2024-10-11 20:42:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:42:25,613 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:25,613 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:25,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:25,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:25,814 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:25,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:25,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2111304027, now seen corresponding path program 1 times [2024-10-11 20:42:25,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:25,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351319981] [2024-10-11 20:42:25,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:25,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:25,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:25,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:25,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:25,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:25,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351319981] [2024-10-11 20:42:25,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351319981] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:25,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220719985] [2024-10-11 20:42:25,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:25,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:25,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:25,881 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:25,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:42:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:25,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:25,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:26,080 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:26,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220719985] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:26,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:26,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:26,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567939326] [2024-10-11 20:42:26,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:26,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:26,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:26,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:26,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:26,081 INFO L87 Difference]: Start difference. First operand 306 states and 427 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:27,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:27,357 INFO L93 Difference]: Finished difference Result 353 states and 453 transitions. [2024-10-11 20:42:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:27,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-10-11 20:42:27,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:27,359 INFO L225 Difference]: With dead ends: 353 [2024-10-11 20:42:27,359 INFO L226 Difference]: Without dead ends: 349 [2024-10-11 20:42:27,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:27,359 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 95 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:27,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 275 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 20:42:27,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-11 20:42:27,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 307. [2024-10-11 20:42:27,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.6981981981981982) internal successors, (377), 281 states have internal predecessors, (377), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:27,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 423 transitions. [2024-10-11 20:42:27,371 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 423 transitions. Word has length 45 [2024-10-11 20:42:27,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:27,372 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 423 transitions. [2024-10-11 20:42:27,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:27,372 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 423 transitions. [2024-10-11 20:42:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-11 20:42:27,373 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:27,373 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:27,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:27,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:42:27,575 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:27,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:27,575 INFO L85 PathProgramCache]: Analyzing trace with hash -251836423, now seen corresponding path program 1 times [2024-10-11 20:42:27,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:27,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709978875] [2024-10-11 20:42:27,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:27,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:27,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312564547] [2024-10-11 20:42:27,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:27,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:27,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:27,593 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:27,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:42:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:27,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:42:27,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:27,654 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:27,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:27,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709978875] [2024-10-11 20:42:27,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:27,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312564547] [2024-10-11 20:42:27,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312564547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:27,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:27,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:42:27,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955294496] [2024-10-11 20:42:27,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:27,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:42:27,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:27,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:42:27,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:27,656 INFO L87 Difference]: Start difference. First operand 307 states and 423 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:27,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:27,761 INFO L93 Difference]: Finished difference Result 355 states and 447 transitions. [2024-10-11 20:42:27,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:42:27,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-10-11 20:42:27,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:27,763 INFO L225 Difference]: With dead ends: 355 [2024-10-11 20:42:27,763 INFO L226 Difference]: Without dead ends: 351 [2024-10-11 20:42:27,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:27,764 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 84 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:27,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 285 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:42:27,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-11 20:42:27,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 312. [2024-10-11 20:42:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.676991150442478) internal successors, (379), 285 states have internal predecessors, (379), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:42:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2024-10-11 20:42:27,773 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 50 [2024-10-11 20:42:27,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:27,774 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2024-10-11 20:42:27,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2024-10-11 20:42:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 20:42:27,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:27,775 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:27,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:42:27,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:42:27,976 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:27,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:27,977 INFO L85 PathProgramCache]: Analyzing trace with hash -901112636, now seen corresponding path program 1 times [2024-10-11 20:42:27,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:27,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370676789] [2024-10-11 20:42:27,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:27,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:42:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,042 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:28,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:28,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370676789] [2024-10-11 20:42:28,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370676789] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:28,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746895449] [2024-10-11 20:42:28,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:28,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:28,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:28,045 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:28,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:42:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:28,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:28,159 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:28,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746895449] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:28,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:28,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:28,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631703431] [2024-10-11 20:42:28,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:28,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:28,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:28,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:28,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:28,160 INFO L87 Difference]: Start difference. First operand 312 states and 427 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:28,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:28,513 INFO L93 Difference]: Finished difference Result 333 states and 431 transitions. [2024-10-11 20:42:28,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:28,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-10-11 20:42:28,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:28,515 INFO L225 Difference]: With dead ends: 333 [2024-10-11 20:42:28,515 INFO L226 Difference]: Without dead ends: 331 [2024-10-11 20:42:28,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:28,516 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 166 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:28,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 214 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:28,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-11 20:42:28,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-11 20:42:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.663716814159292) internal successors, (376), 285 states have internal predecessors, (376), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:42:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 424 transitions. [2024-10-11 20:42:28,524 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 424 transitions. Word has length 51 [2024-10-11 20:42:28,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:28,525 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 424 transitions. [2024-10-11 20:42:28,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2024-10-11 20:42:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 20:42:28,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:28,525 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:28,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:42:28,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:42:28,726 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:28,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2130279556, now seen corresponding path program 1 times [2024-10-11 20:42:28,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:28,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285837814] [2024-10-11 20:42:28,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:28,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:42:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:28,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:28,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285837814] [2024-10-11 20:42:28,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285837814] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:28,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149926832] [2024-10-11 20:42:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:28,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:28,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:28,800 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:28,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:42:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:28,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:28,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:28,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:28,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149926832] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:28,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:28,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:28,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113178890] [2024-10-11 20:42:28,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:28,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:28,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:28,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:28,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:28,893 INFO L87 Difference]: Start difference. First operand 312 states and 424 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:29,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:29,166 INFO L93 Difference]: Finished difference Result 333 states and 428 transitions. [2024-10-11 20:42:29,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:29,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-10-11 20:42:29,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:29,168 INFO L225 Difference]: With dead ends: 333 [2024-10-11 20:42:29,168 INFO L226 Difference]: Without dead ends: 331 [2024-10-11 20:42:29,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:29,168 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 229 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:29,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 197 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:29,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-11 20:42:29,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-11 20:42:29,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.6504424778761062) internal successors, (373), 285 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:42:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 421 transitions. [2024-10-11 20:42:29,177 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 421 transitions. Word has length 52 [2024-10-11 20:42:29,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:29,178 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 421 transitions. [2024-10-11 20:42:29,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 421 transitions. [2024-10-11 20:42:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 20:42:29,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:29,179 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:29,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:42:29,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:29,379 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:29,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:29,380 INFO L85 PathProgramCache]: Analyzing trace with hash 551428221, now seen corresponding path program 1 times [2024-10-11 20:42:29,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:29,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284328471] [2024-10-11 20:42:29,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:29,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:29,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1016172764] [2024-10-11 20:42:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:29,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:29,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:29,394 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:29,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:42:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:29,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:29,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:29,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:29,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:29,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284328471] [2024-10-11 20:42:29,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:29,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016172764] [2024-10-11 20:42:29,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016172764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:29,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:29,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:29,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181744321] [2024-10-11 20:42:29,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:29,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:29,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:29,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:29,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:29,460 INFO L87 Difference]: Start difference. First operand 312 states and 421 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:30,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:30,020 INFO L93 Difference]: Finished difference Result 349 states and 435 transitions. [2024-10-11 20:42:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:30,020 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2024-10-11 20:42:30,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:30,022 INFO L225 Difference]: With dead ends: 349 [2024-10-11 20:42:30,022 INFO L226 Difference]: Without dead ends: 347 [2024-10-11 20:42:30,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:30,022 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 82 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:30,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 363 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:42:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-11 20:42:30,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 313. [2024-10-11 20:42:30,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6387665198237886) internal successors, (372), 286 states have internal predecessors, (372), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:42:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 420 transitions. [2024-10-11 20:42:30,032 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 420 transitions. Word has length 54 [2024-10-11 20:42:30,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:30,032 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 420 transitions. [2024-10-11 20:42:30,033 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 420 transitions. [2024-10-11 20:42:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 20:42:30,033 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:30,033 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:30,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:42:30,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 20:42:30,238 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:30,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:30,238 INFO L85 PathProgramCache]: Analyzing trace with hash -85594241, now seen corresponding path program 1 times [2024-10-11 20:42:30,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:30,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564188972] [2024-10-11 20:42:30,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:30,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:30,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [82652253] [2024-10-11 20:42:30,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:30,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:30,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:30,247 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:30,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:42:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:30,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:30,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:30,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:30,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:30,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564188972] [2024-10-11 20:42:30,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:30,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82652253] [2024-10-11 20:42:30,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82652253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:30,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:30,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:30,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596397397] [2024-10-11 20:42:30,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:30,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:30,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:30,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:30,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:30,343 INFO L87 Difference]: Start difference. First operand 313 states and 420 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:30,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:30,717 INFO L93 Difference]: Finished difference Result 349 states and 432 transitions. [2024-10-11 20:42:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:30,717 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-10-11 20:42:30,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:30,719 INFO L225 Difference]: With dead ends: 349 [2024-10-11 20:42:30,719 INFO L226 Difference]: Without dead ends: 334 [2024-10-11 20:42:30,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:30,719 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 135 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:30,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 291 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:30,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-11 20:42:30,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 301. [2024-10-11 20:42:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6574074074074074) internal successors, (358), 275 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 404 transitions. [2024-10-11 20:42:30,731 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 404 transitions. Word has length 55 [2024-10-11 20:42:30,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:30,731 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 404 transitions. [2024-10-11 20:42:30,731 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:42:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 404 transitions. [2024-10-11 20:42:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 20:42:30,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:30,732 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:30,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 20:42:30,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 20:42:30,936 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:30,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:30,936 INFO L85 PathProgramCache]: Analyzing trace with hash -793094161, now seen corresponding path program 1 times [2024-10-11 20:42:30,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:30,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515600078] [2024-10-11 20:42:30,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:30,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:30,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [876507896] [2024-10-11 20:42:30,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:30,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:30,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:30,953 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:30,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:42:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:30,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:30,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:42:31,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:31,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:31,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515600078] [2024-10-11 20:42:31,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:31,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876507896] [2024-10-11 20:42:31,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876507896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:31,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:31,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:31,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642120345] [2024-10-11 20:42:31,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:31,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:31,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:31,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:31,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:31,062 INFO L87 Difference]: Start difference. First operand 301 states and 404 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:42:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:31,478 INFO L93 Difference]: Finished difference Result 325 states and 425 transitions. [2024-10-11 20:42:31,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:31,479 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-10-11 20:42:31,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:31,480 INFO L225 Difference]: With dead ends: 325 [2024-10-11 20:42:31,480 INFO L226 Difference]: Without dead ends: 324 [2024-10-11 20:42:31,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:31,481 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 207 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:31,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 155 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:31,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-11 20:42:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-11 20:42:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6527777777777777) internal successors, (357), 275 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:31,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 403 transitions. [2024-10-11 20:42:31,490 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 403 transitions. Word has length 63 [2024-10-11 20:42:31,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:31,490 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 403 transitions. [2024-10-11 20:42:31,490 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:42:31,490 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 403 transitions. [2024-10-11 20:42:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:42:31,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:31,491 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:31,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:42:31,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:42:31,691 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:31,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:31,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1183884886, now seen corresponding path program 1 times [2024-10-11 20:42:31,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:31,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291232278] [2024-10-11 20:42:31,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:31,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:31,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [705301523] [2024-10-11 20:42:31,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:31,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:31,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:31,701 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:31,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:42:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:31,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:31,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:42:31,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:31,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:31,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291232278] [2024-10-11 20:42:31,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:31,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705301523] [2024-10-11 20:42:31,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705301523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:31,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:31,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:31,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468979642] [2024-10-11 20:42:31,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:31,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:31,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:31,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:31,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:31,805 INFO L87 Difference]: Start difference. First operand 301 states and 403 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:42:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:32,033 INFO L93 Difference]: Finished difference Result 325 states and 424 transitions. [2024-10-11 20:42:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:32,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-10-11 20:42:32,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:32,035 INFO L225 Difference]: With dead ends: 325 [2024-10-11 20:42:32,035 INFO L226 Difference]: Without dead ends: 324 [2024-10-11 20:42:32,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:32,036 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 205 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:32,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 155 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:42:32,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-11 20:42:32,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-11 20:42:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6481481481481481) internal successors, (356), 275 states have internal predecessors, (356), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:32,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 402 transitions. [2024-10-11 20:42:32,044 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 402 transitions. Word has length 64 [2024-10-11 20:42:32,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:32,045 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 402 transitions. [2024-10-11 20:42:32,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:42:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 402 transitions. [2024-10-11 20:42:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 20:42:32,045 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:32,045 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:32,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:42:32,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:42:32,247 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:32,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:32,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1511060975, now seen corresponding path program 1 times [2024-10-11 20:42:32,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:32,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414384905] [2024-10-11 20:42:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:32,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:32,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835246076] [2024-10-11 20:42:32,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:32,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:32,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:32,262 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:32,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:42:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:32,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:32,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:42:32,395 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:32,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:32,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414384905] [2024-10-11 20:42:32,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:32,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835246076] [2024-10-11 20:42:32,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835246076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:32,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:32,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:32,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65717306] [2024-10-11 20:42:32,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:32,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:32,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:32,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:32,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:32,397 INFO L87 Difference]: Start difference. First operand 301 states and 402 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:32,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:32,703 INFO L93 Difference]: Finished difference Result 327 states and 423 transitions. [2024-10-11 20:42:32,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:32,704 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2024-10-11 20:42:32,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:32,705 INFO L225 Difference]: With dead ends: 327 [2024-10-11 20:42:32,705 INFO L226 Difference]: Without dead ends: 326 [2024-10-11 20:42:32,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:32,706 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 44 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:32,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 325 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:32,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-11 20:42:32,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-11 20:42:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6388888888888888) internal successors, (354), 275 states have internal predecessors, (354), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 400 transitions. [2024-10-11 20:42:32,716 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 400 transitions. Word has length 74 [2024-10-11 20:42:32,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:32,716 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 400 transitions. [2024-10-11 20:42:32,716 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 400 transitions. [2024-10-11 20:42:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 20:42:32,717 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:32,717 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:32,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:32,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:32,918 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:32,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:32,918 INFO L85 PathProgramCache]: Analyzing trace with hash 401750145, now seen corresponding path program 1 times [2024-10-11 20:42:32,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:32,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170045075] [2024-10-11 20:42:32,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:32,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:32,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078134266] [2024-10-11 20:42:32,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:32,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:32,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:32,930 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:32,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:42:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:32,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:32,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:42:34,034 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:34,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:34,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170045075] [2024-10-11 20:42:34,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:34,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078134266] [2024-10-11 20:42:34,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078134266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:34,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:34,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:34,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848311060] [2024-10-11 20:42:34,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:34,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:34,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:34,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:34,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-11 20:42:34,036 INFO L87 Difference]: Start difference. First operand 301 states and 400 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:38,040 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 [0] [2024-10-11 20:42:43,009 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 [0] [2024-10-11 20:42:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:43,323 INFO L93 Difference]: Finished difference Result 327 states and 421 transitions. [2024-10-11 20:42:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:43,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-10-11 20:42:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:43,324 INFO L225 Difference]: With dead ends: 327 [2024-10-11 20:42:43,324 INFO L226 Difference]: Without dead ends: 326 [2024-10-11 20:42:43,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-11 20:42:43,325 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 86 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:43,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 223 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2024-10-11 20:42:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-11 20:42:43,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-11 20:42:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6296296296296295) internal successors, (352), 275 states have internal predecessors, (352), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 398 transitions. [2024-10-11 20:42:43,336 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 398 transitions. Word has length 75 [2024-10-11 20:42:43,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:43,336 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 398 transitions. [2024-10-11 20:42:43,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 398 transitions. [2024-10-11 20:42:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 20:42:43,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:43,337 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:43,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 20:42:43,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:43,541 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:43,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:43,541 INFO L85 PathProgramCache]: Analyzing trace with hash -430647277, now seen corresponding path program 1 times [2024-10-11 20:42:43,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:43,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655640409] [2024-10-11 20:42:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:43,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:43,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [946564886] [2024-10-11 20:42:43,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:43,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:43,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:43,560 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:43,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:42:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:43,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:43,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:42:43,645 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:43,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:43,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655640409] [2024-10-11 20:42:43,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:43,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946564886] [2024-10-11 20:42:43,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946564886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:43,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:43,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:43,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670361857] [2024-10-11 20:42:43,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:43,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:43,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:43,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:43,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:43,647 INFO L87 Difference]: Start difference. First operand 301 states and 398 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:44,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:44,055 INFO L93 Difference]: Finished difference Result 320 states and 409 transitions. [2024-10-11 20:42:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:44,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-10-11 20:42:44,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:44,056 INFO L225 Difference]: With dead ends: 320 [2024-10-11 20:42:44,056 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 20:42:44,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:44,057 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 91 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:44,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 260 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:44,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 20:42:44,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-11 20:42:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 275 states have internal predecessors, (348), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 394 transitions. [2024-10-11 20:42:44,066 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 394 transitions. Word has length 76 [2024-10-11 20:42:44,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:44,067 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 394 transitions. [2024-10-11 20:42:44,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 394 transitions. [2024-10-11 20:42:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 20:42:44,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:44,067 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:44,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:44,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:44,269 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:44,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:44,270 INFO L85 PathProgramCache]: Analyzing trace with hash -465163581, now seen corresponding path program 1 times [2024-10-11 20:42:44,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:44,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454129716] [2024-10-11 20:42:44,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:44,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:44,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074406436] [2024-10-11 20:42:44,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:44,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:44,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:44,296 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:44,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:42:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:44,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:44,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:42:44,475 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:44,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:44,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454129716] [2024-10-11 20:42:44,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:44,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074406436] [2024-10-11 20:42:44,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074406436] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:44,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:44,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:44,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085136158] [2024-10-11 20:42:44,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:44,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:44,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:44,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:44,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:44,476 INFO L87 Difference]: Start difference. First operand 301 states and 394 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:44,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:44,966 INFO L93 Difference]: Finished difference Result 320 states and 405 transitions. [2024-10-11 20:42:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:44,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-10-11 20:42:44,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:44,969 INFO L225 Difference]: With dead ends: 320 [2024-10-11 20:42:44,969 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 20:42:44,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:44,970 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 90 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:44,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 263 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:42:44,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 20:42:44,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-11 20:42:44,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5925925925925926) internal successors, (344), 275 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 390 transitions. [2024-10-11 20:42:44,980 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 390 transitions. Word has length 77 [2024-10-11 20:42:44,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:44,982 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 390 transitions. [2024-10-11 20:42:44,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:44,982 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 390 transitions. [2024-10-11 20:42:44,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 20:42:44,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:44,983 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:44,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:45,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 20:42:45,183 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:45,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:45,184 INFO L85 PathProgramCache]: Analyzing trace with hash -694586855, now seen corresponding path program 1 times [2024-10-11 20:42:45,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:45,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882233459] [2024-10-11 20:42:45,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:45,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:45,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859418856] [2024-10-11 20:42:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:45,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:45,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:45,195 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:45,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:42:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:45,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:42:45,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-11 20:42:45,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-11 20:42:45,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:45,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882233459] [2024-10-11 20:42:45,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:45,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859418856] [2024-10-11 20:42:45,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859418856] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:42:45,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:42:45,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-11 20:42:45,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637344923] [2024-10-11 20:42:45,485 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:45,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:42:45,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:45,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:42:45,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:42:45,486 INFO L87 Difference]: Start difference. First operand 301 states and 390 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 20:42:46,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:46,190 INFO L93 Difference]: Finished difference Result 319 states and 391 transitions. [2024-10-11 20:42:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:42:46,190 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 82 [2024-10-11 20:42:46,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:46,191 INFO L225 Difference]: With dead ends: 319 [2024-10-11 20:42:46,191 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 20:42:46,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:42:46,192 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 156 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:46,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 562 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:42:46,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 20:42:46,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-11 20:42:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5787037037037037) internal successors, (341), 275 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 387 transitions. [2024-10-11 20:42:46,201 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 387 transitions. Word has length 82 [2024-10-11 20:42:46,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:46,201 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 387 transitions. [2024-10-11 20:42:46,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 20:42:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 387 transitions. [2024-10-11 20:42:46,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-11 20:42:46,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:46,202 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:46,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:46,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:46,407 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:46,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:46,407 INFO L85 PathProgramCache]: Analyzing trace with hash -57355895, now seen corresponding path program 1 times [2024-10-11 20:42:46,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:46,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997176203] [2024-10-11 20:42:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:46,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1481221065] [2024-10-11 20:42:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:46,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:46,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:46,421 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:46,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:42:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:46,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:42:46,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 20:42:46,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:47,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:47,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997176203] [2024-10-11 20:42:47,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:47,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481221065] [2024-10-11 20:42:47,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481221065] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:47,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:47,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:42:47,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766504529] [2024-10-11 20:42:47,246 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:47,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:42:47,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:47,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:42:47,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:42:47,247 INFO L87 Difference]: Start difference. First operand 301 states and 387 transitions. Second operand has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:42:47,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:47,583 INFO L93 Difference]: Finished difference Result 305 states and 388 transitions. [2024-10-11 20:42:47,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:47,584 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 83 [2024-10-11 20:42:47,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:47,585 INFO L225 Difference]: With dead ends: 305 [2024-10-11 20:42:47,585 INFO L226 Difference]: Without dead ends: 304 [2024-10-11 20:42:47,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:42:47,585 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 141 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:47,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 318 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:47,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-11 20:42:47,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-10-11 20:42:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5694444444444444) internal successors, (339), 275 states have internal predecessors, (339), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 385 transitions. [2024-10-11 20:42:47,604 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 385 transitions. Word has length 83 [2024-10-11 20:42:47,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:47,604 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 385 transitions. [2024-10-11 20:42:47,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:42:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 385 transitions. [2024-10-11 20:42:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-11 20:42:47,605 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:47,605 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:47,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:47,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:47,806 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:47,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:47,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1778032613, now seen corresponding path program 1 times [2024-10-11 20:42:47,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:47,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339706018] [2024-10-11 20:42:47,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:47,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:47,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673842417] [2024-10-11 20:42:47,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:47,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:47,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:47,820 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:47,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:42:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:47,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:42:47,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-11 20:42:48,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:48,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:48,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339706018] [2024-10-11 20:42:48,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:48,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673842417] [2024-10-11 20:42:48,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673842417] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:48,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:48,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:42:48,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896673851] [2024-10-11 20:42:48,643 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:48,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:42:48,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:48,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:42:48,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:42:48,644 INFO L87 Difference]: Start difference. First operand 301 states and 385 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:49,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:49,485 INFO L93 Difference]: Finished difference Result 319 states and 396 transitions. [2024-10-11 20:42:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:42:49,486 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2024-10-11 20:42:49,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:49,487 INFO L225 Difference]: With dead ends: 319 [2024-10-11 20:42:49,487 INFO L226 Difference]: Without dead ends: 316 [2024-10-11 20:42:49,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:42:49,487 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 167 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:49,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 328 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:42:49,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-11 20:42:49,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 301. [2024-10-11 20:42:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5416666666666667) internal successors, (333), 275 states have internal predecessors, (333), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:49,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 379 transitions. [2024-10-11 20:42:49,497 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 379 transitions. Word has length 84 [2024-10-11 20:42:49,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:49,497 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 379 transitions. [2024-10-11 20:42:49,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:42:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 379 transitions. [2024-10-11 20:42:49,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 20:42:49,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:49,498 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:49,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:49,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:42:49,699 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:49,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:49,699 INFO L85 PathProgramCache]: Analyzing trace with hash 715563979, now seen corresponding path program 1 times [2024-10-11 20:42:49,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:49,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954745154] [2024-10-11 20:42:49,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:49,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:49,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221897415] [2024-10-11 20:42:49,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:49,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:49,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:49,710 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:49,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:42:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:49,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:42:49,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 20:42:50,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:50,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:50,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954745154] [2024-10-11 20:42:50,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:50,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221897415] [2024-10-11 20:42:50,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221897415] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:50,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:50,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:42:50,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606872000] [2024-10-11 20:42:50,316 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:50,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:42:50,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:50,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:42:50,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:42:50,318 INFO L87 Difference]: Start difference. First operand 301 states and 379 transitions. Second operand has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:42:50,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:50,891 INFO L93 Difference]: Finished difference Result 309 states and 382 transitions. [2024-10-11 20:42:50,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:42:50,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2024-10-11 20:42:50,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:50,893 INFO L225 Difference]: With dead ends: 309 [2024-10-11 20:42:50,893 INFO L226 Difference]: Without dead ends: 306 [2024-10-11 20:42:50,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:42:50,893 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 230 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:50,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 252 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:42:50,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-11 20:42:50,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 301. [2024-10-11 20:42:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5138888888888888) internal successors, (327), 275 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2024-10-11 20:42:50,912 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 85 [2024-10-11 20:42:50,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:50,912 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2024-10-11 20:42:50,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:42:50,912 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2024-10-11 20:42:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:42:50,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:50,913 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:50,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:51,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 20:42:51,114 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:51,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:51,114 INFO L85 PathProgramCache]: Analyzing trace with hash 772495050, now seen corresponding path program 1 times [2024-10-11 20:42:51,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:51,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832048249] [2024-10-11 20:42:51,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:51,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:42:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:42:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:42:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:42:51,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:51,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832048249] [2024-10-11 20:42:51,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832048249] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:51,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:51,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:42:51,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302502138] [2024-10-11 20:42:51,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:51,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:42:51,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:51,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:42:51,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:51,169 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-11 20:42:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:51,262 INFO L93 Difference]: Finished difference Result 301 states and 373 transitions. [2024-10-11 20:42:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:42:51,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2024-10-11 20:42:51,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:51,264 INFO L225 Difference]: With dead ends: 301 [2024-10-11 20:42:51,264 INFO L226 Difference]: Without dead ends: 300 [2024-10-11 20:42:51,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:51,265 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:51,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:42:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-10-11 20:42:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2024-10-11 20:42:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4953703703703705) internal successors, (323), 274 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 369 transitions. [2024-10-11 20:42:51,278 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 369 transitions. Word has length 98 [2024-10-11 20:42:51,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:51,278 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 369 transitions. [2024-10-11 20:42:51,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-11 20:42:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 369 transitions. [2024-10-11 20:42:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 20:42:51,279 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:51,279 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:51,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 20:42:51,279 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:51,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:51,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1822457070, now seen corresponding path program 1 times [2024-10-11 20:42:51,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:51,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420119041] [2024-10-11 20:42:51,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:51,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:42:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:42:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:42:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:42:51,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:51,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420119041] [2024-10-11 20:42:51,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420119041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:51,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:51,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:42:51,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157811914] [2024-10-11 20:42:51,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:51,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:42:51,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:51,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:42:51,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:42:51,388 INFO L87 Difference]: Start difference. First operand 300 states and 369 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:52,205 INFO L93 Difference]: Finished difference Result 304 states and 370 transitions. [2024-10-11 20:42:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:52,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 99 [2024-10-11 20:42:52,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:52,207 INFO L225 Difference]: With dead ends: 304 [2024-10-11 20:42:52,207 INFO L226 Difference]: Without dead ends: 303 [2024-10-11 20:42:52,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:42:52,207 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 423 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:52,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 225 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:42:52,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-11 20:42:52,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-10-11 20:42:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4907407407407407) internal successors, (322), 274 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 368 transitions. [2024-10-11 20:42:52,216 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 368 transitions. Word has length 99 [2024-10-11 20:42:52,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:52,217 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 368 transitions. [2024-10-11 20:42:52,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 368 transitions. [2024-10-11 20:42:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-11 20:42:52,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:52,217 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:52,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 20:42:52,218 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:52,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash 963878354, now seen corresponding path program 1 times [2024-10-11 20:42:52,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:52,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269348207] [2024-10-11 20:42:52,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:42:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:42:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:42:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:42:52,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:52,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269348207] [2024-10-11 20:42:52,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269348207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:52,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:52,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:42:52,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275908624] [2024-10-11 20:42:52,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:52,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:52,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:52,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:52,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:52,300 INFO L87 Difference]: Start difference. First operand 300 states and 368 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:42:52,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:52,378 INFO L93 Difference]: Finished difference Result 315 states and 379 transitions. [2024-10-11 20:42:52,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:42:52,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2024-10-11 20:42:52,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:52,380 INFO L225 Difference]: With dead ends: 315 [2024-10-11 20:42:52,380 INFO L226 Difference]: Without dead ends: 314 [2024-10-11 20:42:52,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:52,380 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 14 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:52,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 432 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:42:52,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-11 20:42:52,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2024-10-11 20:42:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 221 states have (on average 1.4796380090497738) internal successors, (327), 279 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 373 transitions. [2024-10-11 20:42:52,391 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 373 transitions. Word has length 101 [2024-10-11 20:42:52,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:52,391 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 373 transitions. [2024-10-11 20:42:52,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:42:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 373 transitions. [2024-10-11 20:42:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 20:42:52,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:52,392 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:52,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 20:42:52,392 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:52,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:52,392 INFO L85 PathProgramCache]: Analyzing trace with hash -184541926, now seen corresponding path program 1 times [2024-10-11 20:42:52,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:52,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971159777] [2024-10-11 20:42:52,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:52,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:52,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338555612] [2024-10-11 20:42:52,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:52,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:52,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:52,404 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:52,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:42:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:52,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:42:52,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:52,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:52,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971159777] [2024-10-11 20:42:52,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:52,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338555612] [2024-10-11 20:42:52,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338555612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:52,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:52,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:42:52,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199039579] [2024-10-11 20:42:52,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:52,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:52,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:52,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:52,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:42:52,591 INFO L87 Difference]: Start difference. First operand 305 states and 373 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:42:53,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:53,049 INFO L93 Difference]: Finished difference Result 315 states and 377 transitions. [2024-10-11 20:42:53,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:53,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-10-11 20:42:53,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:53,050 INFO L225 Difference]: With dead ends: 315 [2024-10-11 20:42:53,050 INFO L226 Difference]: Without dead ends: 314 [2024-10-11 20:42:53,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:53,051 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 15 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:53,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 309 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:53,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-11 20:42:53,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 307. [2024-10-11 20:42:53,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4753363228699552) internal successors, (329), 281 states have internal predecessors, (329), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:53,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2024-10-11 20:42:53,060 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 102 [2024-10-11 20:42:53,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:53,060 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2024-10-11 20:42:53,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:42:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2024-10-11 20:42:53,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 20:42:53,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:53,061 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:53,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:53,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:53,266 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:53,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:53,266 INFO L85 PathProgramCache]: Analyzing trace with hash 53337654, now seen corresponding path program 1 times [2024-10-11 20:42:53,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:53,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472838430] [2024-10-11 20:42:53,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:53,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:53,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574621854] [2024-10-11 20:42:53,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:53,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:53,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:53,278 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:53,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:42:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:42:53,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:42:53,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:53,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:53,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472838430] [2024-10-11 20:42:53,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:53,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574621854] [2024-10-11 20:42:53,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574621854] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:53,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:53,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:42:53,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643957752] [2024-10-11 20:42:53,481 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:53,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:42:53,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:53,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:42:53,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:42:53,482 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:42:53,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:53,821 INFO L93 Difference]: Finished difference Result 310 states and 375 transitions. [2024-10-11 20:42:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:42:53,822 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 103 [2024-10-11 20:42:53,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:53,823 INFO L225 Difference]: With dead ends: 310 [2024-10-11 20:42:53,823 INFO L226 Difference]: Without dead ends: 308 [2024-10-11 20:42:53,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:42:53,823 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 199 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:53,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 411 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:53,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-11 20:42:53,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 307. [2024-10-11 20:42:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4663677130044843) internal successors, (327), 281 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 373 transitions. [2024-10-11 20:42:53,835 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 373 transitions. Word has length 103 [2024-10-11 20:42:53,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:53,835 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 373 transitions. [2024-10-11 20:42:53,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:42:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 373 transitions. [2024-10-11 20:42:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 20:42:53,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:53,836 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:53,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-11 20:42:54,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:54,036 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:54,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:54,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1653467349, now seen corresponding path program 1 times [2024-10-11 20:42:54,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:54,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441786994] [2024-10-11 20:42:54,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:54,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:54,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711812533] [2024-10-11 20:42:54,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:54,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:54,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:54,049 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:54,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:42:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:54,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:42:54,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:54,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:54,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:54,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441786994] [2024-10-11 20:42:54,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:54,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711812533] [2024-10-11 20:42:54,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711812533] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:54,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:54,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:42:54,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756813570] [2024-10-11 20:42:54,540 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:54,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:42:54,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:54,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:42:54,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:42:54,541 INFO L87 Difference]: Start difference. First operand 307 states and 373 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:54,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:54,909 INFO L93 Difference]: Finished difference Result 357 states and 430 transitions. [2024-10-11 20:42:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:42:54,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-10-11 20:42:54,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:54,911 INFO L225 Difference]: With dead ends: 357 [2024-10-11 20:42:54,911 INFO L226 Difference]: Without dead ends: 355 [2024-10-11 20:42:54,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:42:54,911 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 326 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:54,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 369 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:54,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-11 20:42:54,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-10-11 20:42:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 265 states have (on average 1.4075471698113207) internal successors, (373), 323 states have internal predecessors, (373), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:42:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 427 transitions. [2024-10-11 20:42:54,924 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 427 transitions. Word has length 104 [2024-10-11 20:42:54,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:54,924 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 427 transitions. [2024-10-11 20:42:54,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 427 transitions. [2024-10-11 20:42:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 20:42:54,925 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:54,925 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:54,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:55,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:55,127 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:55,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:55,128 INFO L85 PathProgramCache]: Analyzing trace with hash -130205738, now seen corresponding path program 1 times [2024-10-11 20:42:55,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:55,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492123117] [2024-10-11 20:42:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:55,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:42:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:42:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:42:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:42:55,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:55,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492123117] [2024-10-11 20:42:55,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492123117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:55,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:55,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:42:55,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415169182] [2024-10-11 20:42:55,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:55,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:55,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:55,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:55,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:55,248 INFO L87 Difference]: Start difference. First operand 353 states and 427 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:42:56,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:56,051 INFO L93 Difference]: Finished difference Result 367 states and 437 transitions. [2024-10-11 20:42:56,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:42:56,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2024-10-11 20:42:56,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:56,053 INFO L225 Difference]: With dead ends: 367 [2024-10-11 20:42:56,053 INFO L226 Difference]: Without dead ends: 366 [2024-10-11 20:42:56,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:56,053 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 13 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:56,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 517 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:42:56,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-10-11 20:42:56,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 358. [2024-10-11 20:42:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4074074074074074) internal successors, (380), 328 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:42:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 434 transitions. [2024-10-11 20:42:56,066 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 434 transitions. Word has length 105 [2024-10-11 20:42:56,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:56,069 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 434 transitions. [2024-10-11 20:42:56,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:42:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 434 transitions. [2024-10-11 20:42:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 20:42:56,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:56,070 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:56,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-11 20:42:56,070 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:56,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:56,070 INFO L85 PathProgramCache]: Analyzing trace with hash -282119656, now seen corresponding path program 1 times [2024-10-11 20:42:56,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:56,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548849817] [2024-10-11 20:42:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:56,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:42:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:42:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:42:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:42:56,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:56,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548849817] [2024-10-11 20:42:56,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548849817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:56,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:56,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:42:56,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446289841] [2024-10-11 20:42:56,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:56,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:56,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:56,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:56,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:56,132 INFO L87 Difference]: Start difference. First operand 358 states and 434 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-11 20:42:56,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:56,649 INFO L93 Difference]: Finished difference Result 390 states and 434 transitions. [2024-10-11 20:42:56,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:56,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 105 [2024-10-11 20:42:56,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:56,651 INFO L225 Difference]: With dead ends: 390 [2024-10-11 20:42:56,651 INFO L226 Difference]: Without dead ends: 389 [2024-10-11 20:42:56,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:56,652 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 134 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:56,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 552 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:42:56,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-11 20:42:56,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 358. [2024-10-11 20:42:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.3962962962962964) internal successors, (377), 328 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:42:56,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 431 transitions. [2024-10-11 20:42:56,669 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 431 transitions. Word has length 105 [2024-10-11 20:42:56,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:56,670 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 431 transitions. [2024-10-11 20:42:56,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-11 20:42:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 431 transitions. [2024-10-11 20:42:56,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 20:42:56,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:56,671 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:56,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-11 20:42:56,671 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:56,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:56,671 INFO L85 PathProgramCache]: Analyzing trace with hash 258589598, now seen corresponding path program 1 times [2024-10-11 20:42:56,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:56,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315308113] [2024-10-11 20:42:56,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:56,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:56,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [818263308] [2024-10-11 20:42:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:56,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:56,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:56,694 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:56,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:42:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:56,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:56,858 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:42:56,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:56,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:56,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315308113] [2024-10-11 20:42:56,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:56,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818263308] [2024-10-11 20:42:56,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818263308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:56,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:56,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:42:56,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990460084] [2024-10-11 20:42:56,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:56,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:56,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:56,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:56,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:56,859 INFO L87 Difference]: Start difference. First operand 358 states and 431 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:42:57,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:57,000 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2024-10-11 20:42:57,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:42:57,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 106 [2024-10-11 20:42:57,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:57,002 INFO L225 Difference]: With dead ends: 365 [2024-10-11 20:42:57,002 INFO L226 Difference]: Without dead ends: 364 [2024-10-11 20:42:57,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:57,003 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 60 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:57,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 434 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:42:57,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-11 20:42:57,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-10-11 20:42:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3933823529411764) internal successors, (379), 330 states have internal predecessors, (379), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:42:57,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 433 transitions. [2024-10-11 20:42:57,023 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 433 transitions. Word has length 106 [2024-10-11 20:42:57,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:57,023 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 433 transitions. [2024-10-11 20:42:57,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:42:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 433 transitions. [2024-10-11 20:42:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 20:42:57,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:57,024 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:57,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:57,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:57,225 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:57,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:57,225 INFO L85 PathProgramCache]: Analyzing trace with hash -155774665, now seen corresponding path program 1 times [2024-10-11 20:42:57,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:57,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762744925] [2024-10-11 20:42:57,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:57,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:57,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310353506] [2024-10-11 20:42:57,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:57,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:57,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:57,236 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:57,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:42:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:57,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:42:57,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:42:57,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-11 20:42:57,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:57,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762744925] [2024-10-11 20:42:57,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:57,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310353506] [2024-10-11 20:42:57,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310353506] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:42:57,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:42:57,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-10-11 20:42:57,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454308257] [2024-10-11 20:42:57,660 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:57,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:42:57,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:57,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:42:57,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:42:57,661 INFO L87 Difference]: Start difference. First operand 360 states and 433 transitions. Second operand has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:42:58,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:58,522 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2024-10-11 20:42:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:42:58,522 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 106 [2024-10-11 20:42:58,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:58,523 INFO L225 Difference]: With dead ends: 365 [2024-10-11 20:42:58,523 INFO L226 Difference]: Without dead ends: 364 [2024-10-11 20:42:58,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:42:58,524 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 500 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:58,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 484 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:42:58,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-11 20:42:58,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-10-11 20:42:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3823529411764706) internal successors, (376), 330 states have internal predecessors, (376), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:42:58,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 430 transitions. [2024-10-11 20:42:58,538 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 430 transitions. Word has length 106 [2024-10-11 20:42:58,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:58,538 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 430 transitions. [2024-10-11 20:42:58,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:42:58,538 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 430 transitions. [2024-10-11 20:42:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 20:42:58,539 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:58,539 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:58,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-11 20:42:58,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:58,744 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:58,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:58,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1528558184, now seen corresponding path program 1 times [2024-10-11 20:42:58,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:58,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490976184] [2024-10-11 20:42:58,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:58,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:42:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:42:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:42:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:42:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:42:58,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:58,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490976184] [2024-10-11 20:42:58,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490976184] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:58,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080956861] [2024-10-11 20:42:58,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:58,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:58,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:58,859 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:42:58,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:42:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:42:58,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:42:58,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:59,045 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:42:59,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080956861] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:42:59,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:42:59,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-10-11 20:42:59,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447184156] [2024-10-11 20:42:59,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:59,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:42:59,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:59,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:42:59,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:42:59,046 INFO L87 Difference]: Start difference. First operand 360 states and 430 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:59,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:59,588 INFO L93 Difference]: Finished difference Result 753 states and 866 transitions. [2024-10-11 20:42:59,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:42:59,588 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 109 [2024-10-11 20:42:59,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:59,590 INFO L225 Difference]: With dead ends: 753 [2024-10-11 20:42:59,590 INFO L226 Difference]: Without dead ends: 724 [2024-10-11 20:42:59,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 232 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:42:59,591 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 725 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:59,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 703 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:42:59,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-10-11 20:42:59,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 516. [2024-10-11 20:42:59,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 416 states have (on average 1.5408653846153846) internal successors, (641), 474 states have internal predecessors, (641), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-11 20:42:59,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 719 transitions. [2024-10-11 20:42:59,616 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 719 transitions. Word has length 109 [2024-10-11 20:42:59,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:59,617 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 719 transitions. [2024-10-11 20:42:59,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:42:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 719 transitions. [2024-10-11 20:42:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 20:42:59,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:59,618 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:59,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-11 20:42:59,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:42:59,822 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:59,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:59,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2035063929, now seen corresponding path program 1 times [2024-10-11 20:42:59,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:59,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250107638] [2024-10-11 20:42:59,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:59,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:43:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:43:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:43:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:43:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:43:00,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:00,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250107638] [2024-10-11 20:43:00,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250107638] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:00,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001141416] [2024-10-11 20:43:00,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:00,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:00,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:00,045 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:00,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:43:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:00,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:43:00,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:00,240 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:00,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:00,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001141416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:00,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:00,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-10-11 20:43:00,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311366445] [2024-10-11 20:43:00,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:00,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:00,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:00,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:00,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:43:00,242 INFO L87 Difference]: Start difference. First operand 516 states and 719 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:43:01,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:01,878 INFO L93 Difference]: Finished difference Result 978 states and 1302 transitions. [2024-10-11 20:43:01,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:43:01,878 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-10-11 20:43:01,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:01,881 INFO L225 Difference]: With dead ends: 978 [2024-10-11 20:43:01,881 INFO L226 Difference]: Without dead ends: 977 [2024-10-11 20:43:01,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:43:01,882 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 864 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:01,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 682 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 20:43:01,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-10-11 20:43:01,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 716. [2024-10-11 20:43:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 600 states have (on average 1.63) internal successors, (978), 658 states have internal predecessors, (978), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:43:01,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1088 transitions. [2024-10-11 20:43:01,908 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1088 transitions. Word has length 112 [2024-10-11 20:43:01,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:01,909 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 1088 transitions. [2024-10-11 20:43:01,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:43:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1088 transitions. [2024-10-11 20:43:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 20:43:01,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:01,910 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:01,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-11 20:43:02,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-11 20:43:02,111 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:02,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:02,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1337527720, now seen corresponding path program 1 times [2024-10-11 20:43:02,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:02,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645139012] [2024-10-11 20:43:02,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:02,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:02,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654893877] [2024-10-11 20:43:02,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:02,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:02,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:02,123 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:02,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:43:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:43:02,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:02,265 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:02,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:02,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645139012] [2024-10-11 20:43:02,380 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:02,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654893877] [2024-10-11 20:43:02,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654893877] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:02,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:43:02,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-11 20:43:02,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249417029] [2024-10-11 20:43:02,381 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:02,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:43:02,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:02,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:43:02,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:02,381 INFO L87 Difference]: Start difference. First operand 716 states and 1088 transitions. Second operand has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-10-11 20:43:03,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:03,422 INFO L93 Difference]: Finished difference Result 1127 states and 1680 transitions. [2024-10-11 20:43:03,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:43:03,423 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 113 [2024-10-11 20:43:03,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:03,426 INFO L225 Difference]: With dead ends: 1127 [2024-10-11 20:43:03,426 INFO L226 Difference]: Without dead ends: 1126 [2024-10-11 20:43:03,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:43:03,427 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 983 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:03,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 557 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:43:03,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2024-10-11 20:43:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 875. [2024-10-11 20:43:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 747 states have (on average 1.6546184738955823) internal successors, (1236), 805 states have internal predecessors, (1236), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-11 20:43:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1370 transitions. [2024-10-11 20:43:03,463 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1370 transitions. Word has length 113 [2024-10-11 20:43:03,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:03,463 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1370 transitions. [2024-10-11 20:43:03,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-10-11 20:43:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1370 transitions. [2024-10-11 20:43:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 20:43:03,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:03,464 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:03,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-11 20:43:03,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:03,668 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:03,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:03,668 INFO L85 PathProgramCache]: Analyzing trace with hash -109099795, now seen corresponding path program 1 times [2024-10-11 20:43:03,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:03,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523628530] [2024-10-11 20:43:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:03,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:03,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [98949951] [2024-10-11 20:43:03,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:03,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:03,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:03,682 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:03,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:43:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:03,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 20:43:03,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:04,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:04,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:04,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523628530] [2024-10-11 20:43:04,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:04,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98949951] [2024-10-11 20:43:04,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98949951] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:04,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:04,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:43:04,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975017327] [2024-10-11 20:43:04,344 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:04,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:43:04,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:04,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:43:04,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:43:04,345 INFO L87 Difference]: Start difference. First operand 875 states and 1370 transitions. Second operand has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:05,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:05,198 INFO L93 Difference]: Finished difference Result 962 states and 1478 transitions. [2024-10-11 20:43:05,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:43:05,199 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 119 [2024-10-11 20:43:05,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:05,201 INFO L225 Difference]: With dead ends: 962 [2024-10-11 20:43:05,201 INFO L226 Difference]: Without dead ends: 959 [2024-10-11 20:43:05,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:43:05,202 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 689 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:05,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 360 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:43:05,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-10-11 20:43:05,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2024-10-11 20:43:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.6582597730138713) internal successors, (1315), 851 states have internal predecessors, (1315), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-11 20:43:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1457 transitions. [2024-10-11 20:43:05,232 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1457 transitions. Word has length 119 [2024-10-11 20:43:05,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:05,232 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1457 transitions. [2024-10-11 20:43:05,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1457 transitions. [2024-10-11 20:43:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 20:43:05,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:05,233 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:05,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:05,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-11 20:43:05,433 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:05,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:05,434 INFO L85 PathProgramCache]: Analyzing trace with hash 912873735, now seen corresponding path program 1 times [2024-10-11 20:43:05,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:05,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719265083] [2024-10-11 20:43:05,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:05,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:05,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1192861781] [2024-10-11 20:43:05,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:05,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:05,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:05,445 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:05,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 20:43:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:05,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 20:43:05,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:05,887 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:05,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:06,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:06,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719265083] [2024-10-11 20:43:06,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:06,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192861781] [2024-10-11 20:43:06,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192861781] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:06,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:06,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:43:06,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764862584] [2024-10-11 20:43:06,766 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:06,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:43:06,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:06,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:43:06,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:43:06,767 INFO L87 Difference]: Start difference. First operand 925 states and 1457 transitions. Second operand has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:07,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:07,677 INFO L93 Difference]: Finished difference Result 960 states and 1473 transitions. [2024-10-11 20:43:07,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:43:07,677 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 120 [2024-10-11 20:43:07,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:07,680 INFO L225 Difference]: With dead ends: 960 [2024-10-11 20:43:07,680 INFO L226 Difference]: Without dead ends: 959 [2024-10-11 20:43:07,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:43:07,680 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 634 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:07,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 405 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:43:07,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-10-11 20:43:07,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2024-10-11 20:43:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.6557377049180328) internal successors, (1313), 851 states have internal predecessors, (1313), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-11 20:43:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1455 transitions. [2024-10-11 20:43:07,710 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1455 transitions. Word has length 120 [2024-10-11 20:43:07,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:07,711 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1455 transitions. [2024-10-11 20:43:07,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1455 transitions. [2024-10-11 20:43:07,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 20:43:07,711 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:07,711 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:07,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-10-11 20:43:07,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:07,915 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:07,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:07,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1765685201, now seen corresponding path program 1 times [2024-10-11 20:43:07,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:07,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705590129] [2024-10-11 20:43:07,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:07,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:07,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651453699] [2024-10-11 20:43:07,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:07,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:07,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:07,928 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:07,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 20:43:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:07,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:43:07,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:08,313 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:08,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:08,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705590129] [2024-10-11 20:43:08,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:08,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651453699] [2024-10-11 20:43:08,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651453699] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:08,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:08,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:43:08,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983645888] [2024-10-11 20:43:08,381 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:08,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:43:08,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:08,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:43:08,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:43:08,382 INFO L87 Difference]: Start difference. First operand 925 states and 1455 transitions. Second operand has 10 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:09,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:09,071 INFO L93 Difference]: Finished difference Result 944 states and 1457 transitions. [2024-10-11 20:43:09,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:43:09,072 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 121 [2024-10-11 20:43:09,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:09,074 INFO L225 Difference]: With dead ends: 944 [2024-10-11 20:43:09,074 INFO L226 Difference]: Without dead ends: 943 [2024-10-11 20:43:09,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:43:09,075 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 411 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:09,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 472 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:43:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-10-11 20:43:09,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 925. [2024-10-11 20:43:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.6532156368221942) internal successors, (1311), 851 states have internal predecessors, (1311), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-11 20:43:09,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1453 transitions. [2024-10-11 20:43:09,107 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1453 transitions. Word has length 121 [2024-10-11 20:43:09,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:09,107 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1453 transitions. [2024-10-11 20:43:09,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:09,107 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1453 transitions. [2024-10-11 20:43:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:43:09,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:09,108 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:09,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-11 20:43:09,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:09,311 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:09,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:09,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1098333705, now seen corresponding path program 1 times [2024-10-11 20:43:09,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:09,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411715348] [2024-10-11 20:43:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:09,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:09,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83517570] [2024-10-11 20:43:09,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:09,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:09,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:09,326 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:09,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-11 20:43:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:09,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:43:09,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:09,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:10,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:10,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411715348] [2024-10-11 20:43:10,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:10,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83517570] [2024-10-11 20:43:10,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83517570] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:10,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:10,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:43:10,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647064910] [2024-10-11 20:43:10,080 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:10,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:10,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:10,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:10,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:10,081 INFO L87 Difference]: Start difference. First operand 925 states and 1453 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:10,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:10,491 INFO L93 Difference]: Finished difference Result 1069 states and 1659 transitions. [2024-10-11 20:43:10,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:10,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 122 [2024-10-11 20:43:10,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:10,495 INFO L225 Difference]: With dead ends: 1069 [2024-10-11 20:43:10,495 INFO L226 Difference]: Without dead ends: 1067 [2024-10-11 20:43:10,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:43:10,498 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 255 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:10,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 576 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:43:10,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-10-11 20:43:10,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1029. [2024-10-11 20:43:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.670045045045045) internal successors, (1483), 946 states have internal predecessors, (1483), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:10,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1643 transitions. [2024-10-11 20:43:10,532 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1643 transitions. Word has length 122 [2024-10-11 20:43:10,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:10,532 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1643 transitions. [2024-10-11 20:43:10,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:10,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1643 transitions. [2024-10-11 20:43:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 20:43:10,533 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:10,533 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:10,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-11 20:43:10,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-10-11 20:43:10,733 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:10,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:10,734 INFO L85 PathProgramCache]: Analyzing trace with hash -311393423, now seen corresponding path program 1 times [2024-10-11 20:43:10,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:10,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028040066] [2024-10-11 20:43:10,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:10,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:10,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187715589] [2024-10-11 20:43:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:10,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:10,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:10,745 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:10,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-11 20:43:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:10,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:43:10,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 20:43:11,157 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:11,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:11,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028040066] [2024-10-11 20:43:11,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:11,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187715589] [2024-10-11 20:43:11,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187715589] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:11,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:11,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:43:11,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081163524] [2024-10-11 20:43:11,377 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:11,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:43:11,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:11,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:43:11,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:43:11,378 INFO L87 Difference]: Start difference. First operand 1029 states and 1643 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:12,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:12,560 INFO L93 Difference]: Finished difference Result 1056 states and 1659 transitions. [2024-10-11 20:43:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:43:12,560 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2024-10-11 20:43:12,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:12,563 INFO L225 Difference]: With dead ends: 1056 [2024-10-11 20:43:12,563 INFO L226 Difference]: Without dead ends: 1055 [2024-10-11 20:43:12,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:43:12,564 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 312 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:12,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 550 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 20:43:12,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-10-11 20:43:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1029. [2024-10-11 20:43:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6677927927927927) internal successors, (1481), 946 states have internal predecessors, (1481), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1641 transitions. [2024-10-11 20:43:12,598 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1641 transitions. Word has length 123 [2024-10-11 20:43:12,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:12,598 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1641 transitions. [2024-10-11 20:43:12,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1641 transitions. [2024-10-11 20:43:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 20:43:12,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:12,599 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:12,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:12,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:12,799 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:12,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:12,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1063261429, now seen corresponding path program 1 times [2024-10-11 20:43:12,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:12,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869035124] [2024-10-11 20:43:12,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:12,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:12,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064226514] [2024-10-11 20:43:12,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:12,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:12,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:12,814 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:12,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-11 20:43:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:12,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:43:12,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:13,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:13,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:13,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869035124] [2024-10-11 20:43:13,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:13,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064226514] [2024-10-11 20:43:13,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064226514] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:13,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:13,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:43:13,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325125863] [2024-10-11 20:43:13,453 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:13,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:43:13,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:13,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:43:13,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:43:13,453 INFO L87 Difference]: Start difference. First operand 1029 states and 1641 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:14,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:14,361 INFO L93 Difference]: Finished difference Result 1070 states and 1652 transitions. [2024-10-11 20:43:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:43:14,362 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 124 [2024-10-11 20:43:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:14,365 INFO L225 Difference]: With dead ends: 1070 [2024-10-11 20:43:14,365 INFO L226 Difference]: Without dead ends: 1066 [2024-10-11 20:43:14,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:43:14,365 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 313 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:14,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 539 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:43:14,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-10-11 20:43:14,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1032. [2024-10-11 20:43:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6621773288439956) internal successors, (1481), 949 states have internal predecessors, (1481), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1641 transitions. [2024-10-11 20:43:14,404 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1641 transitions. Word has length 124 [2024-10-11 20:43:14,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:14,404 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1641 transitions. [2024-10-11 20:43:14,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:14,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1641 transitions. [2024-10-11 20:43:14,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 20:43:14,405 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:14,405 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:14,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:14,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,40 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:14,606 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:14,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:14,606 INFO L85 PathProgramCache]: Analyzing trace with hash -545325671, now seen corresponding path program 1 times [2024-10-11 20:43:14,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:14,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53500119] [2024-10-11 20:43:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:14,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:14,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1315835186] [2024-10-11 20:43:14,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:14,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:14,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:14,619 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:14,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-11 20:43:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:14,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 20:43:14,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:43:15,118 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:23,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53500119] [2024-10-11 20:43:23,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315835186] [2024-10-11 20:43:23,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315835186] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:23,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:23,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:43:23,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211889153] [2024-10-11 20:43:23,321 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:23,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:43:23,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:23,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:43:23,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=166, Unknown=2, NotChecked=0, Total=210 [2024-10-11 20:43:23,322 INFO L87 Difference]: Start difference. First operand 1032 states and 1641 transitions. Second operand has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:23,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:23,940 INFO L93 Difference]: Finished difference Result 1056 states and 1657 transitions. [2024-10-11 20:43:23,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:43:23,941 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 130 [2024-10-11 20:43:23,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:23,943 INFO L225 Difference]: With dead ends: 1056 [2024-10-11 20:43:23,943 INFO L226 Difference]: Without dead ends: 1054 [2024-10-11 20:43:23,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=85, Invalid=293, Unknown=2, NotChecked=0, Total=380 [2024-10-11 20:43:23,944 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 404 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:23,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 481 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:43:23,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-10-11 20:43:23,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1032. [2024-10-11 20:43:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6576879910213242) internal successors, (1477), 949 states have internal predecessors, (1477), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1637 transitions. [2024-10-11 20:43:23,976 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1637 transitions. Word has length 130 [2024-10-11 20:43:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:23,977 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1637 transitions. [2024-10-11 20:43:23,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1637 transitions. [2024-10-11 20:43:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 20:43:23,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:23,977 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:23,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:24,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-11 20:43:24,178 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:24,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:24,178 INFO L85 PathProgramCache]: Analyzing trace with hash 274773480, now seen corresponding path program 1 times [2024-10-11 20:43:24,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:24,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405012405] [2024-10-11 20:43:24,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:24,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:24,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1485319340] [2024-10-11 20:43:24,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:24,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:24,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:24,198 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:24,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-11 20:43:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:24,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:43:24,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:43:24,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:37,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:37,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405012405] [2024-10-11 20:43:37,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:37,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485319340] [2024-10-11 20:43:37,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485319340] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:37,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:37,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:43:37,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549688396] [2024-10-11 20:43:37,735 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:37,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:43:37,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:37,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:43:37,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=94, Unknown=3, NotChecked=0, Total=132 [2024-10-11 20:43:37,735 INFO L87 Difference]: Start difference. First operand 1032 states and 1637 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-11 20:43:38,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:38,084 INFO L93 Difference]: Finished difference Result 1081 states and 1669 transitions. [2024-10-11 20:43:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:38,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 131 [2024-10-11 20:43:38,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:38,087 INFO L225 Difference]: With dead ends: 1081 [2024-10-11 20:43:38,087 INFO L226 Difference]: Without dead ends: 1078 [2024-10-11 20:43:38,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=45, Invalid=108, Unknown=3, NotChecked=0, Total=156 [2024-10-11 20:43:38,088 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 304 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:38,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 440 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:38,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2024-10-11 20:43:38,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1032. [2024-10-11 20:43:38,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6475869809203143) internal successors, (1468), 949 states have internal predecessors, (1468), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:38,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1628 transitions. [2024-10-11 20:43:38,121 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1628 transitions. Word has length 131 [2024-10-11 20:43:38,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:38,122 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1628 transitions. [2024-10-11 20:43:38,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-11 20:43:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1628 transitions. [2024-10-11 20:43:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 20:43:38,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:38,122 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:38,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-10-11 20:43:38,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-10-11 20:43:38,323 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:38,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:38,324 INFO L85 PathProgramCache]: Analyzing trace with hash -71956613, now seen corresponding path program 1 times [2024-10-11 20:43:38,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:38,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915919100] [2024-10-11 20:43:38,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:38,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:38,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83901452] [2024-10-11 20:43:38,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:38,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:38,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:38,347 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:38,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-11 20:43:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:38,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 20:43:38,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:39,026 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:43:39,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:43,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:43,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915919100] [2024-10-11 20:43:43,432 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:43,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83901452] [2024-10-11 20:43:43,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83901452] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:43,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:43,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:43:43,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259514751] [2024-10-11 20:43:43,432 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:43,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:43:43,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:43,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:43:43,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2024-10-11 20:43:43,433 INFO L87 Difference]: Start difference. First operand 1032 states and 1628 transitions. Second operand has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:44,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:44,689 INFO L93 Difference]: Finished difference Result 1064 states and 1658 transitions. [2024-10-11 20:43:44,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:43:44,690 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 132 [2024-10-11 20:43:44,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:44,692 INFO L225 Difference]: With dead ends: 1064 [2024-10-11 20:43:44,693 INFO L226 Difference]: Without dead ends: 1062 [2024-10-11 20:43:44,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2024-10-11 20:43:44,693 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 453 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:44,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 419 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1590 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:43:44,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-10-11 20:43:44,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1032. [2024-10-11 20:43:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6430976430976432) internal successors, (1464), 949 states have internal predecessors, (1464), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1624 transitions. [2024-10-11 20:43:44,733 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1624 transitions. Word has length 132 [2024-10-11 20:43:44,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:44,733 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1624 transitions. [2024-10-11 20:43:44,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1624 transitions. [2024-10-11 20:43:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-11 20:43:44,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:44,734 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:44,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:44,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-11 20:43:44,934 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:44,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:44,935 INFO L85 PathProgramCache]: Analyzing trace with hash 2064312394, now seen corresponding path program 1 times [2024-10-11 20:43:44,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:44,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985614109] [2024-10-11 20:43:44,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:44,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:44,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730625060] [2024-10-11 20:43:44,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:44,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:44,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:44,948 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:44,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-10-11 20:43:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:45,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 20:43:45,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:43:45,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:50,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:50,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985614109] [2024-10-11 20:43:50,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:50,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730625060] [2024-10-11 20:43:50,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730625060] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:50,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:50,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:43:50,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910701930] [2024-10-11 20:43:50,393 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:50,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:43:50,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:50,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:43:50,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2024-10-11 20:43:50,394 INFO L87 Difference]: Start difference. First operand 1032 states and 1624 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:51,262 INFO L93 Difference]: Finished difference Result 1064 states and 1654 transitions. [2024-10-11 20:43:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:43:51,263 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 133 [2024-10-11 20:43:51,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:51,265 INFO L225 Difference]: With dead ends: 1064 [2024-10-11 20:43:51,265 INFO L226 Difference]: Without dead ends: 1062 [2024-10-11 20:43:51,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2024-10-11 20:43:51,266 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 605 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:51,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 335 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:43:51,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-10-11 20:43:51,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1032. [2024-10-11 20:43:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.638608305274972) internal successors, (1460), 949 states have internal predecessors, (1460), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1620 transitions. [2024-10-11 20:43:51,306 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1620 transitions. Word has length 133 [2024-10-11 20:43:51,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:51,306 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1620 transitions. [2024-10-11 20:43:51,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1620 transitions. [2024-10-11 20:43:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 20:43:51,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:51,307 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:51,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:51,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-11 20:43:51,507 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:51,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:51,508 INFO L85 PathProgramCache]: Analyzing trace with hash -430825123, now seen corresponding path program 1 times [2024-10-11 20:43:51,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:51,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159625763] [2024-10-11 20:43:51,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:51,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:51,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375749289] [2024-10-11 20:43:51,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:51,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:51,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:51,521 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:51,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-10-11 20:43:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:51,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:43:51,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:43:52,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:52,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:52,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159625763] [2024-10-11 20:43:52,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:52,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375749289] [2024-10-11 20:43:52,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375749289] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:52,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:52,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:43:52,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174436653] [2024-10-11 20:43:52,288 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:52,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:43:52,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:52,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:43:52,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:43:52,288 INFO L87 Difference]: Start difference. First operand 1032 states and 1620 transitions. Second operand has 12 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:53,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:53,703 INFO L93 Difference]: Finished difference Result 1051 states and 1636 transitions. [2024-10-11 20:43:53,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:43:53,704 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 134 [2024-10-11 20:43:53,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:53,707 INFO L225 Difference]: With dead ends: 1051 [2024-10-11 20:43:53,710 INFO L226 Difference]: Without dead ends: 1050 [2024-10-11 20:43:53,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:43:53,711 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 375 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:53,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 420 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 20:43:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2024-10-11 20:43:53,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 1032. [2024-10-11 20:43:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6363636363636365) internal successors, (1458), 949 states have internal predecessors, (1458), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1618 transitions. [2024-10-11 20:43:53,753 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1618 transitions. Word has length 134 [2024-10-11 20:43:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:53,754 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1618 transitions. [2024-10-11 20:43:53,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1618 transitions. [2024-10-11 20:43:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 20:43:53,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:53,754 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:53,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:53,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-11 20:43:53,955 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:53,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:53,955 INFO L85 PathProgramCache]: Analyzing trace with hash -470676820, now seen corresponding path program 1 times [2024-10-11 20:43:53,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:53,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508822366] [2024-10-11 20:43:53,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:53,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:53,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1248417222] [2024-10-11 20:43:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:53,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:53,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:53,969 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:43:53,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-10-11 20:43:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:54,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:43:54,029 INFO L278 TraceCheckSpWp]: Computing forward predicates...