./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.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/recursive-simple/id_i25_o25-1.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 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:15:06,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:15:06,189 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:15:06,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:15:06,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:15:06,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:15:06,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:15:06,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:15:06,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:15:06,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:15:06,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:15:06,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:15:06,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:15:06,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:15:06,226 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:15:06,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:15:06,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:15:06,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:15:06,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:15:06,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:15:06,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:15:06,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:15:06,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:15:06,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:15:06,229 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:15:06,230 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:15:06,230 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:15:06,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:15:06,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:15:06,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:15:06,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:15:06,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:15:06,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:15:06,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:15:06,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:15:06,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:15:06,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:15:06,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:15:06,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:15:06,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:15:06,235 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:15:06,235 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:15:06,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:15:06,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:15:06,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 [2024-10-11 21:15:06,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:15:06,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:15:06,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:15:06,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:15:06,555 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:15:06,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2024-10-11 21:15:07,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:15:08,173 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:15:08,174 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2024-10-11 21:15:08,180 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/52f1ce393/711993c67ebb4b75adae4344292750e5/FLAG6298a361f [2024-10-11 21:15:08,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/52f1ce393/711993c67ebb4b75adae4344292750e5 [2024-10-11 21:15:08,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:15:08,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:15:08,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:15:08,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:15:08,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:15:08,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1edf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08, skipping insertion in model container [2024-10-11 21:15:08,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:15:08,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:15:08,411 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:15:08,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:15:08,444 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:15:08,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08 WrapperNode [2024-10-11 21:15:08,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:15:08,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:15:08,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:15:08,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:15:08,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,477 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-10-11 21:15:08,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:15:08,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:15:08,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:15:08,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:15:08,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,513 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,529 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 21:15:08,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:15:08,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:15:08,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:15:08,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:15:08,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (1/1) ... [2024-10-11 21:15:08,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:15:08,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:08,603 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 21:15:08,608 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 21:15:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:15:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:15:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:15:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:15:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-10-11 21:15:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-10-11 21:15:08,719 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:15:08,721 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:15:08,852 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-11 21:15:08,853 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:15:08,887 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:15:08,887 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 21:15:08,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:15:08 BoogieIcfgContainer [2024-10-11 21:15:08,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:15:08,892 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:15:08,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:15:08,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:15:08,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:15:08" (1/3) ... [2024-10-11 21:15:08,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258d755d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:15:08, skipping insertion in model container [2024-10-11 21:15:08,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:15:08" (2/3) ... [2024-10-11 21:15:08,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258d755d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:15:08, skipping insertion in model container [2024-10-11 21:15:08,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:15:08" (3/3) ... [2024-10-11 21:15:08,901 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i25_o25-1.c [2024-10-11 21:15:08,915 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:15:08,916 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-11 21:15:08,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:15:08,984 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;@5f7f0519, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:15:08,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-11 21:15:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:15:09,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 21:15:09,004 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:09,004 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 21:15:09,005 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:09,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:09,010 INFO L85 PathProgramCache]: Analyzing trace with hash 63799541, now seen corresponding path program 1 times [2024-10-11 21:15:09,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:09,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433134713] [2024-10-11 21:15:09,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:09,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:09,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:09,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433134713] [2024-10-11 21:15:09,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433134713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:15:09,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:15:09,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:15:09,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739614357] [2024-10-11 21:15:09,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:15:09,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:15:09,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:09,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:15:09,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:15:09,269 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:09,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:09,363 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2024-10-11 21:15:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:15:09,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 21:15:09,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:09,372 INFO L225 Difference]: With dead ends: 40 [2024-10-11 21:15:09,372 INFO L226 Difference]: Without dead ends: 27 [2024-10-11 21:15:09,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:15:09,378 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:09,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 50 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:15:09,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-11 21:15:09,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2024-10-11 21:15:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.4375) internal successors, (23), 19 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:15:09,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2024-10-11 21:15:09,418 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 5 [2024-10-11 21:15:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:09,418 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-10-11 21:15:09,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-10-11 21:15:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 21:15:09,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:09,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 21:15:09,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:15:09,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:09,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:09,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1977785826, now seen corresponding path program 1 times [2024-10-11 21:15:09,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:09,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615943288] [2024-10-11 21:15:09,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:09,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:09,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:09,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615943288] [2024-10-11 21:15:09,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615943288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:15:09,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:15:09,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:15:09,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650270400] [2024-10-11 21:15:09,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:15:09,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:15:09,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:09,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:15:09,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:15:09,506 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:09,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:09,569 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2024-10-11 21:15:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:15:09,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 21:15:09,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:09,571 INFO L225 Difference]: With dead ends: 26 [2024-10-11 21:15:09,571 INFO L226 Difference]: Without dead ends: 25 [2024-10-11 21:15:09,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:15:09,573 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 19 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:09,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 19 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:15:09,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-11 21:15:09,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-10-11 21:15:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:15:09,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-10-11 21:15:09,582 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 6 [2024-10-11 21:15:09,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:09,583 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-11 21:15:09,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:09,583 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-10-11 21:15:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 21:15:09,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:09,584 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 21:15:09,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 21:15:09,584 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:09,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:09,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1708859346, now seen corresponding path program 1 times [2024-10-11 21:15:09,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:09,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042989927] [2024-10-11 21:15:09,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:09,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:09,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:09,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042989927] [2024-10-11 21:15:09,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042989927] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:09,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699340485] [2024-10-11 21:15:09,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:09,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:09,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:09,703 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 21:15:09,705 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 21:15:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:09,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 21:15:09,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:09,823 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:09,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699340485] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:09,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:09,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 21:15:09,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863071393] [2024-10-11 21:15:09,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:09,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:15:09,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:09,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:15:09,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:15:09,923 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 12 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:10,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:10,123 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2024-10-11 21:15:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:15:10,124 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-11 21:15:10,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:10,126 INFO L225 Difference]: With dead ends: 75 [2024-10-11 21:15:10,126 INFO L226 Difference]: Without dead ends: 67 [2024-10-11 21:15:10,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:15:10,130 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 88 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:10,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 100 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:15:10,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-11 21:15:10,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 53. [2024-10-11 21:15:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.325) internal successors, (53), 42 states have internal predecessors, (53), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:15:10,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2024-10-11 21:15:10,161 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 10 [2024-10-11 21:15:10,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:10,161 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2024-10-11 21:15:10,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:10,164 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2024-10-11 21:15:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 21:15:10,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:10,165 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:15:10,178 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 21:15:10,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:10,367 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:10,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:10,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1465280389, now seen corresponding path program 1 times [2024-10-11 21:15:10,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:10,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805552130] [2024-10-11 21:15:10,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:10,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:10,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:15:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 21:15:10,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:10,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805552130] [2024-10-11 21:15:10,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805552130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:15:10,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:15:10,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:15:10,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66352510] [2024-10-11 21:15:10,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:15:10,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:15:10,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:10,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:15:10,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:15:10,464 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:15:10,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:10,486 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2024-10-11 21:15:10,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:15:10,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-10-11 21:15:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:10,488 INFO L225 Difference]: With dead ends: 73 [2024-10-11 21:15:10,489 INFO L226 Difference]: Without dead ends: 71 [2024-10-11 21:15:10,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:15:10,490 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:10,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:15:10,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-11 21:15:10,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-11 21:15:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-11 21:15:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 83 transitions. [2024-10-11 21:15:10,515 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 83 transitions. Word has length 18 [2024-10-11 21:15:10,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:10,516 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 83 transitions. [2024-10-11 21:15:10,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:15:10,516 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2024-10-11 21:15:10,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 21:15:10,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:10,517 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 21:15:10,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 21:15:10,517 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:10,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:10,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2013219646, now seen corresponding path program 1 times [2024-10-11 21:15:10,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:10,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691284857] [2024-10-11 21:15:10,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:10,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:15:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:10,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:15:10,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:10,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691284857] [2024-10-11 21:15:10,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691284857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:15:10,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:15:10,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:15:10,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759380393] [2024-10-11 21:15:10,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:15:10,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:15:10,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:10,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:15:10,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:15:10,592 INFO L87 Difference]: Start difference. First operand 71 states and 83 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:15:10,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:10,607 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2024-10-11 21:15:10,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:15:10,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-11 21:15:10,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:10,609 INFO L225 Difference]: With dead ends: 71 [2024-10-11 21:15:10,609 INFO L226 Difference]: Without dead ends: 70 [2024-10-11 21:15:10,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 21:15:10,610 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:10,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:15:10,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-11 21:15:10,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-11 21:15:10,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-11 21:15:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2024-10-11 21:15:10,621 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 23 [2024-10-11 21:15:10,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:10,622 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2024-10-11 21:15:10,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:15:10,622 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2024-10-11 21:15:10,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 21:15:10,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:10,623 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1] [2024-10-11 21:15:10,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 21:15:10,624 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:10,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:10,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1685904693, now seen corresponding path program 2 times [2024-10-11 21:15:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:10,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332200704] [2024-10-11 21:15:10,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:10,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:10,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:10,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332200704] [2024-10-11 21:15:10,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332200704] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:10,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627161053] [2024-10-11 21:15:10,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:15:10,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:10,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:10,818 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 21:15:10,821 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 21:15:10,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:15:10,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:10,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 21:15:10,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:10,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:11,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627161053] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:11,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:11,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-10-11 21:15:11,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434897607] [2024-10-11 21:15:11,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:11,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 21:15:11,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:11,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 21:15:11,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-10-11 21:15:11,142 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 24 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 13 states have internal predecessors, (40), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:11,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:11,486 INFO L93 Difference]: Finished difference Result 187 states and 203 transitions. [2024-10-11 21:15:11,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 21:15:11,487 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 13 states have internal predecessors, (40), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-11 21:15:11,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:11,488 INFO L225 Difference]: With dead ends: 187 [2024-10-11 21:15:11,489 INFO L226 Difference]: Without dead ends: 155 [2024-10-11 21:15:11,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 21:15:11,490 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 280 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:11,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 215 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:15:11,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-11 21:15:11,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2024-10-11 21:15:11,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 115 states have internal predecessors, (132), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-10-11 21:15:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 162 transitions. [2024-10-11 21:15:11,515 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 162 transitions. Word has length 25 [2024-10-11 21:15:11,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:11,515 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 162 transitions. [2024-10-11 21:15:11,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 13 states have internal predecessors, (40), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:11,515 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 162 transitions. [2024-10-11 21:15:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 21:15:11,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:11,517 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 21:15:11,536 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 21:15:11,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:11,718 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:11,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:11,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1776865054, now seen corresponding path program 1 times [2024-10-11 21:15:11,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:11,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984462041] [2024-10-11 21:15:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:11,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 21:15:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:11,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-11 21:15:11,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984462041] [2024-10-11 21:15:11,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984462041] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868795943] [2024-10-11 21:15:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:11,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:11,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:11,888 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 21:15:11,890 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 21:15:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:11,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 21:15:11,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 21:15:12,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 21:15:12,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868795943] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:12,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:12,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-10-11 21:15:12,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330431290] [2024-10-11 21:15:12,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:12,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-11 21:15:12,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:12,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-11 21:15:12,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-10-11 21:15:12,554 INFO L87 Difference]: Start difference. First operand 145 states and 162 transitions. Second operand has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 21:15:12,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:12,988 INFO L93 Difference]: Finished difference Result 207 states and 226 transitions. [2024-10-11 21:15:12,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 21:15:12,989 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 39 [2024-10-11 21:15:12,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:12,990 INFO L225 Difference]: With dead ends: 207 [2024-10-11 21:15:12,990 INFO L226 Difference]: Without dead ends: 141 [2024-10-11 21:15:12,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 21:15:12,993 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 187 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:12,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 351 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:15:12,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-11 21:15:13,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2024-10-11 21:15:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 106 states have (on average 1.1132075471698113) internal successors, (118), 105 states have internal predecessors, (118), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-10-11 21:15:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 146 transitions. [2024-10-11 21:15:13,008 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 146 transitions. Word has length 39 [2024-10-11 21:15:13,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:13,009 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 146 transitions. [2024-10-11 21:15:13,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 21:15:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2024-10-11 21:15:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 21:15:13,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:13,011 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1] [2024-10-11 21:15:13,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 21:15:13,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:13,212 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:13,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:13,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2091957141, now seen corresponding path program 3 times [2024-10-11 21:15:13,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:13,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61045326] [2024-10-11 21:15:13,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:13,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:13,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:13,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61045326] [2024-10-11 21:15:13,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61045326] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:13,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676944468] [2024-10-11 21:15:13,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:15:13,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:13,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:13,713 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 21:15:13,720 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 21:15:13,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-11 21:15:13,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:13,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 21:15:13,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:13,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:14,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676944468] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:14,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:14,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2024-10-11 21:15:14,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384426761] [2024-10-11 21:15:14,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:14,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-11 21:15:14,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:14,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-11 21:15:14,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 21:15:14,517 INFO L87 Difference]: Start difference. First operand 133 states and 146 transitions. Second operand has 48 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 25 states have internal predecessors, (88), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:15,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:15,347 INFO L93 Difference]: Finished difference Result 437 states and 469 transitions. [2024-10-11 21:15:15,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-11 21:15:15,348 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 25 states have internal predecessors, (88), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-10-11 21:15:15,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:15,350 INFO L225 Difference]: With dead ends: 437 [2024-10-11 21:15:15,350 INFO L226 Difference]: Without dead ends: 385 [2024-10-11 21:15:15,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-10-11 21:15:15,354 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 610 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:15,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 549 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:15:15,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-11 21:15:15,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 363. [2024-10-11 21:15:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 290 states have (on average 1.1206896551724137) internal successors, (325), 289 states have internal predecessors, (325), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50) [2024-10-11 21:15:15,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 399 transitions. [2024-10-11 21:15:15,382 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 399 transitions. Word has length 55 [2024-10-11 21:15:15,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:15,382 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 399 transitions. [2024-10-11 21:15:15,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 25 states have internal predecessors, (88), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 399 transitions. [2024-10-11 21:15:15,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 21:15:15,384 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:15,384 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-11 21:15:15,402 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 21:15:15,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 21:15:15,589 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:15,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:15,589 INFO L85 PathProgramCache]: Analyzing trace with hash -543530731, now seen corresponding path program 2 times [2024-10-11 21:15:15,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:15,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982962867] [2024-10-11 21:15:15,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:15,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:15,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 21:15:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:15,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:16,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 299 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 21:15:16,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:16,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982962867] [2024-10-11 21:15:16,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982962867] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:16,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443192153] [2024-10-11 21:15:16,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:15:16,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:16,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:16,052 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 21:15:16,054 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 21:15:16,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:15:16,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:16,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 21:15:16,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 297 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 21:15:16,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 303 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 21:15:17,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443192153] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:17,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:17,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 50 [2024-10-11 21:15:17,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885064958] [2024-10-11 21:15:17,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:17,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-11 21:15:17,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:17,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-11 21:15:17,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=485, Invalid=1965, Unknown=0, NotChecked=0, Total=2450 [2024-10-11 21:15:17,047 INFO L87 Difference]: Start difference. First operand 363 states and 399 transitions. Second operand has 50 states, 48 states have (on average 2.25) internal successors, (108), 31 states have internal predecessors, (108), 24 states have call successors, (24), 19 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-11 21:15:17,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:17,781 INFO L93 Difference]: Finished difference Result 480 states and 515 transitions. [2024-10-11 21:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-11 21:15:17,782 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 48 states have (on average 2.25) internal successors, (108), 31 states have internal predecessors, (108), 24 states have call successors, (24), 19 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 74 [2024-10-11 21:15:17,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:17,784 INFO L225 Difference]: With dead ends: 480 [2024-10-11 21:15:17,784 INFO L226 Difference]: Without dead ends: 289 [2024-10-11 21:15:17,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1144, Invalid=3686, Unknown=0, NotChecked=0, Total=4830 [2024-10-11 21:15:17,791 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 379 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:17,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 879 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:15:17,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-11 21:15:17,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 263. [2024-10-11 21:15:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 210 states have (on average 1.119047619047619) internal successors, (235), 209 states have internal predecessors, (235), 24 states have call successors, (24), 23 states have call predecessors, (24), 27 states have return successors, (30), 30 states have call predecessors, (30), 23 states have call successors, (30) [2024-10-11 21:15:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 289 transitions. [2024-10-11 21:15:17,816 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 289 transitions. Word has length 74 [2024-10-11 21:15:17,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:17,817 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 289 transitions. [2024-10-11 21:15:17,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 48 states have (on average 2.25) internal successors, (108), 31 states have internal predecessors, (108), 24 states have call successors, (24), 19 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-11 21:15:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 289 transitions. [2024-10-11 21:15:17,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 21:15:17,819 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:17,821 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1] [2024-10-11 21:15:17,839 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 21:15:18,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:18,026 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:18,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:18,026 INFO L85 PathProgramCache]: Analyzing trace with hash 764821589, now seen corresponding path program 4 times [2024-10-11 21:15:18,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:18,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683173795] [2024-10-11 21:15:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:18,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:19,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:19,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:19,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683173795] [2024-10-11 21:15:19,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683173795] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:19,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087712509] [2024-10-11 21:15:19,223 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 21:15:19,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:19,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:19,225 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 21:15:19,228 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 21:15:19,282 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 21:15:19,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:19,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-11 21:15:19,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:19,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:21,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087712509] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:21,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:21,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2024-10-11 21:15:21,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759796191] [2024-10-11 21:15:21,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:21,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-11 21:15:21,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:21,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-11 21:15:21,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-10-11 21:15:21,220 INFO L87 Difference]: Start difference. First operand 263 states and 289 transitions. Second operand has 96 states, 93 states have (on average 1.978494623655914) internal successors, (184), 49 states have internal predecessors, (184), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:23,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:23,514 INFO L93 Difference]: Finished difference Result 891 states and 960 transitions. [2024-10-11 21:15:23,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-11 21:15:23,515 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 1.978494623655914) internal successors, (184), 49 states have internal predecessors, (184), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-11 21:15:23,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:23,518 INFO L225 Difference]: With dead ends: 891 [2024-10-11 21:15:23,518 INFO L226 Difference]: Without dead ends: 769 [2024-10-11 21:15:23,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2024-10-11 21:15:23,524 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 1463 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:23,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 1101 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:15:23,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-10-11 21:15:23,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 723. [2024-10-11 21:15:23,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 578 states have (on average 1.1228373702422145) internal successors, (649), 577 states have internal predecessors, (649), 48 states have call successors, (48), 47 states have call predecessors, (48), 95 states have return successors, (98), 98 states have call predecessors, (98), 47 states have call successors, (98) [2024-10-11 21:15:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 795 transitions. [2024-10-11 21:15:23,587 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 795 transitions. Word has length 115 [2024-10-11 21:15:23,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:23,588 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 795 transitions. [2024-10-11 21:15:23,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 1.978494623655914) internal successors, (184), 49 states have internal predecessors, (184), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:15:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 795 transitions. [2024-10-11 21:15:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 21:15:23,590 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:23,591 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-11 21:15:23,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 21:15:23,794 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,SelfDestructingSolverStorable9 [2024-10-11 21:15:23,795 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:23,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:23,795 INFO L85 PathProgramCache]: Analyzing trace with hash 511648853, now seen corresponding path program 3 times [2024-10-11 21:15:23,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:23,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423184455] [2024-10-11 21:15:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:23,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:24,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 21:15:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:24,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:24,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 6 proven. 1313 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 21:15:24,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:24,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423184455] [2024-10-11 21:15:24,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423184455] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:24,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823006648] [2024-10-11 21:15:24,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:15:24,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:24,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:24,934 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 21:15:24,936 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 21:15:24,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 21:15:24,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:24,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 21:15:24,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2024-10-11 21:15:25,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2024-10-11 21:15:25,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823006648] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:25,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:25,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 7, 7] total 62 [2024-10-11 21:15:25,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605913852] [2024-10-11 21:15:25,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:25,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-10-11 21:15:25,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:25,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-10-11 21:15:25,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=3206, Unknown=0, NotChecked=0, Total=3782 [2024-10-11 21:15:25,452 INFO L87 Difference]: Start difference. First operand 723 states and 795 transitions. Second operand has 62 states, 61 states have (on average 2.19672131147541) internal successors, (134), 41 states have internal predecessors, (134), 24 states have call successors, (25), 22 states have call predecessors, (25), 9 states have return successors, (9), 9 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 21:15:27,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:27,156 INFO L93 Difference]: Finished difference Result 1392 states and 1576 transitions. [2024-10-11 21:15:27,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-11 21:15:27,157 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 2.19672131147541) internal successors, (134), 41 states have internal predecessors, (134), 24 states have call successors, (25), 22 states have call predecessors, (25), 9 states have return successors, (9), 9 states have call predecessors, (9), 3 states have call successors, (9) Word has length 134 [2024-10-11 21:15:27,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:27,165 INFO L225 Difference]: With dead ends: 1392 [2024-10-11 21:15:27,165 INFO L226 Difference]: Without dead ends: 1276 [2024-10-11 21:15:27,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2208 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1572, Invalid=9140, Unknown=0, NotChecked=0, Total=10712 [2024-10-11 21:15:27,170 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 572 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:27,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1249 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:15:27,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2024-10-11 21:15:27,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1255. [2024-10-11 21:15:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1006 states have (on average 1.0695825049701788) internal successors, (1076), 1001 states have internal predecessors, (1076), 48 states have call successors, (48), 47 states have call predecessors, (48), 199 states have return successors, (206), 206 states have call predecessors, (206), 47 states have call successors, (206) [2024-10-11 21:15:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1330 transitions. [2024-10-11 21:15:27,259 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1330 transitions. Word has length 134 [2024-10-11 21:15:27,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:27,260 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1330 transitions. [2024-10-11 21:15:27,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 2.19672131147541) internal successors, (134), 41 states have internal predecessors, (134), 24 states have call successors, (25), 22 states have call predecessors, (25), 9 states have return successors, (9), 9 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 21:15:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1330 transitions. [2024-10-11 21:15:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-11 21:15:27,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:27,263 INFO L215 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-11 21:15:27,278 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 21:15:27,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:27,464 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:27,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:27,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1021045208, now seen corresponding path program 4 times [2024-10-11 21:15:27,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:27,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788399824] [2024-10-11 21:15:27,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:27,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:15:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:28,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:28,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:28,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:28,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:28,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:28,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 18 proven. 1434 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-11 21:15:28,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:28,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788399824] [2024-10-11 21:15:28,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788399824] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:28,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401901490] [2024-10-11 21:15:28,769 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 21:15:28,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:28,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:28,770 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 21:15:28,771 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 21:15:28,856 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 21:15:28,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:28,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-10-11 21:15:28,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:29,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 18 proven. 1428 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-10-11 21:15:29,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 18 proven. 1494 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-11 21:15:31,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401901490] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:31,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:31,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 47, 53] total 57 [2024-10-11 21:15:31,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855193281] [2024-10-11 21:15:31,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:31,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-11 21:15:31,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:31,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-11 21:15:31,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=2562, Unknown=0, NotChecked=0, Total=3192 [2024-10-11 21:15:31,113 INFO L87 Difference]: Start difference. First operand 1255 states and 1330 transitions. Second operand has 57 states, 56 states have (on average 2.482142857142857) internal successors, (139), 38 states have internal predecessors, (139), 27 states have call successors, (27), 19 states have call predecessors, (27), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2024-10-11 21:15:31,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:31,824 INFO L93 Difference]: Finished difference Result 1420 states and 1494 transitions. [2024-10-11 21:15:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-11 21:15:31,825 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 2.482142857142857) internal successors, (139), 38 states have internal predecessors, (139), 27 states have call successors, (27), 19 states have call predecessors, (27), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 159 [2024-10-11 21:15:31,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:31,830 INFO L225 Difference]: With dead ends: 1420 [2024-10-11 21:15:31,830 INFO L226 Difference]: Without dead ends: 1299 [2024-10-11 21:15:31,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 276 SyntacticMatches, 44 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2778 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1449, Invalid=5031, Unknown=0, NotChecked=0, Total=6480 [2024-10-11 21:15:31,833 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 448 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:31,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 960 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:15:31,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2024-10-11 21:15:31,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1225. [2024-10-11 21:15:31,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 982 states have (on average 1.070264765784114) internal successors, (1051), 977 states have internal predecessors, (1051), 48 states have call successors, (48), 47 states have call predecessors, (48), 193 states have return successors, (200), 200 states have call predecessors, (200), 47 states have call successors, (200) [2024-10-11 21:15:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1299 transitions. [2024-10-11 21:15:31,896 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1299 transitions. Word has length 159 [2024-10-11 21:15:31,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:31,897 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1299 transitions. [2024-10-11 21:15:31,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 2.482142857142857) internal successors, (139), 38 states have internal predecessors, (139), 27 states have call successors, (27), 19 states have call predecessors, (27), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2024-10-11 21:15:31,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1299 transitions. [2024-10-11 21:15:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-11 21:15:31,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:31,901 INFO L215 NwaCegarLoop]: trace histogram [26, 25, 25, 25, 25, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-11 21:15:31,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 21:15:32,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 21:15:32,106 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:32,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:32,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1697337739, now seen corresponding path program 5 times [2024-10-11 21:15:32,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:32,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377943163] [2024-10-11 21:15:32,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:32,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:32,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 21:15:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:32,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:32,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:32,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:32,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:32,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 25 proven. 105 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2024-10-11 21:15:32,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:32,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377943163] [2024-10-11 21:15:32,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377943163] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:32,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528028372] [2024-10-11 21:15:32,549 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 21:15:32,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:32,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:32,551 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 21:15:32,552 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 21:15:32,645 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-10-11 21:15:32,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:32,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 21:15:32,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:32,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-10-11 21:15:32,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-10-11 21:15:33,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528028372] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:33,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:33,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-10-11 21:15:33,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706791296] [2024-10-11 21:15:33,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:33,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-11 21:15:33,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:33,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-11 21:15:33,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 21:15:33,813 INFO L87 Difference]: Start difference. First operand 1225 states and 1299 transitions. Second operand has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-11 21:15:34,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:34,237 INFO L93 Difference]: Finished difference Result 2510 states and 2851 transitions. [2024-10-11 21:15:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-11 21:15:34,238 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 164 [2024-10-11 21:15:34,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:34,249 INFO L225 Difference]: With dead ends: 2510 [2024-10-11 21:15:34,249 INFO L226 Difference]: Without dead ends: 2509 [2024-10-11 21:15:34,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2024-10-11 21:15:34,252 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 63 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:34,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 34 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:15:34,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2024-10-11 21:15:34,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2509. [2024-10-11 21:15:34,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 2014 states have (on average 1.0342601787487586) internal successors, (2083), 2001 states have internal predecessors, (2083), 48 states have call successors, (48), 47 states have call predecessors, (48), 445 states have return successors, (460), 460 states have call predecessors, (460), 47 states have call successors, (460) [2024-10-11 21:15:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 2591 transitions. [2024-10-11 21:15:34,390 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 2591 transitions. Word has length 164 [2024-10-11 21:15:34,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:34,391 INFO L471 AbstractCegarLoop]: Abstraction has 2509 states and 2591 transitions. [2024-10-11 21:15:34,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-11 21:15:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 2591 transitions. [2024-10-11 21:15:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 21:15:34,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:34,395 INFO L215 NwaCegarLoop]: trace histogram [26, 25, 25, 25, 25, 15, 15, 15, 15, 14, 1, 1, 1, 1] [2024-10-11 21:15:34,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 21:15:34,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:34,596 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:34,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:34,597 INFO L85 PathProgramCache]: Analyzing trace with hash -2034573579, now seen corresponding path program 6 times [2024-10-11 21:15:34,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:34,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080641973] [2024-10-11 21:15:34,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:34,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:34,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 21:15:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:35,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:35,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:35,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:35,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:35,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:35,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:36,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:36,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:36,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:36,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:36,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:36,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:15:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2075 backedges. 25 proven. 525 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2024-10-11 21:15:36,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:36,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080641973] [2024-10-11 21:15:36,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080641973] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:36,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490532160] [2024-10-11 21:15:36,384 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-11 21:15:36,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:36,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:36,385 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 21:15:36,386 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 21:15:36,494 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2024-10-11 21:15:36,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:36,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 21:15:36,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2075 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-10-11 21:15:36,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2075 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-10-11 21:15:47,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490532160] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:47,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:47,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64 [2024-10-11 21:15:47,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119897348] [2024-10-11 21:15:47,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:47,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-10-11 21:15:47,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:47,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-10-11 21:15:47,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2024-10-11 21:15:47,644 INFO L87 Difference]: Start difference. First operand 2509 states and 2591 transitions. Second operand has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 21:15:48,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:15:48,670 INFO L93 Difference]: Finished difference Result 5963 states and 6751 transitions. [2024-10-11 21:15:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-11 21:15:48,670 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-11 21:15:48,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:15:48,696 INFO L225 Difference]: With dead ends: 5963 [2024-10-11 21:15:48,696 INFO L226 Difference]: Without dead ends: 5137 [2024-10-11 21:15:48,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6317 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2976, Invalid=12276, Unknown=0, NotChecked=0, Total=15252 [2024-10-11 21:15:48,704 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 127 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:15:48,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 59 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:15:48,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5137 states. [2024-10-11 21:15:48,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5137 to 5137. [2024-10-11 21:15:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 4126 states have (on average 1.0152690256907417) internal successors, (4189), 4097 states have internal predecessors, (4189), 48 states have call successors, (48), 47 states have call predecessors, (48), 961 states have return successors, (992), 992 states have call predecessors, (992), 47 states have call successors, (992) [2024-10-11 21:15:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 5229 transitions. [2024-10-11 21:15:48,970 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 5229 transitions. Word has length 204 [2024-10-11 21:15:48,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:15:48,971 INFO L471 AbstractCegarLoop]: Abstraction has 5137 states and 5229 transitions. [2024-10-11 21:15:48,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 21:15:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 5229 transitions. [2024-10-11 21:15:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-11 21:15:48,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:15:48,977 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1] [2024-10-11 21:15:48,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 21:15:49,177 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,SelfDestructingSolverStorable13 [2024-10-11 21:15:49,178 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:15:49,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:15:49,178 INFO L85 PathProgramCache]: Analyzing trace with hash -587175467, now seen corresponding path program 5 times [2024-10-11 21:15:49,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:15:49,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069689679] [2024-10-11 21:15:49,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:15:49,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:15:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:15:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:52,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:15:52,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069689679] [2024-10-11 21:15:52,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069689679] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:15:52,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554097391] [2024-10-11 21:15:52,932 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 21:15:52,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:15:52,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:15:52,934 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 21:15:52,934 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 21:15:53,294 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-11 21:15:53,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:15:53,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-10-11 21:15:53,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:15:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:53,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:15:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:15:59,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554097391] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:15:59,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:15:59,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 190 [2024-10-11 21:15:59,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912271387] [2024-10-11 21:15:59,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:15:59,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-10-11 21:15:59,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:15:59,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-10-11 21:15:59,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2024-10-11 21:15:59,953 INFO L87 Difference]: Start difference. First operand 5137 states and 5229 transitions. Second operand has 192 states, 189 states have (on average 1.9894179894179893) internal successors, (376), 97 states have internal predecessors, (376), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:01,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:16:01,505 INFO L93 Difference]: Finished difference Result 5162 states and 5229 transitions. [2024-10-11 21:16:01,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-11 21:16:01,506 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 189 states have (on average 1.9894179894179893) internal successors, (376), 97 states have internal predecessors, (376), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 235 [2024-10-11 21:16:01,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:16:01,524 INFO L225 Difference]: With dead ends: 5162 [2024-10-11 21:16:01,524 INFO L226 Difference]: Without dead ends: 5161 [2024-10-11 21:16:01,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11393 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=13906, Invalid=33836, Unknown=0, NotChecked=0, Total=47742 [2024-10-11 21:16:01,529 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 652 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:16:01,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 892 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:16:01,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5161 states. [2024-10-11 21:16:01,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5161 to 5136. [2024-10-11 21:16:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5136 states, 4126 states have (on average 1.0150266602035871) internal successors, (4188), 4096 states have internal predecessors, (4188), 48 states have call successors, (48), 47 states have call predecessors, (48), 961 states have return successors, (992), 992 states have call predecessors, (992), 47 states have call successors, (992) [2024-10-11 21:16:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 5228 transitions. [2024-10-11 21:16:01,771 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 5228 transitions. Word has length 235 [2024-10-11 21:16:01,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:16:01,771 INFO L471 AbstractCegarLoop]: Abstraction has 5136 states and 5228 transitions. [2024-10-11 21:16:01,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 189 states have (on average 1.9894179894179893) internal successors, (376), 97 states have internal predecessors, (376), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:16:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 5228 transitions. [2024-10-11 21:16:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-11 21:16:01,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:16:01,781 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 31, 31, 30, 1, 1, 1, 1] [2024-10-11 21:16:01,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 21:16:01,982 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,SelfDestructingSolverStorable14 [2024-10-11 21:16:01,982 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 21:16:01,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:16:01,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2038875541, now seen corresponding path program 7 times [2024-10-11 21:16:01,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:16:01,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780940204] [2024-10-11 21:16:01,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:16:01,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:16:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:02,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:16:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:04,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:04,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:05,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:05,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:06,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:06,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:07,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:07,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:07,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:08,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:08,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:08,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:08,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:08,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:09,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:10,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:10,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:10,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 21:16:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 31 proven. 2325 refuted. 0 times theorem prover too weak. 2356 trivial. 0 not checked. [2024-10-11 21:16:10,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:16:10,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780940204] [2024-10-11 21:16:10,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780940204] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:16:10,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134462958] [2024-10-11 21:16:10,260 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-11 21:16:10,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:16:10,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:16:10,262 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 21:16:10,263 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 21:16:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:16:10,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-11 21:16:10,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:16:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 2325 proven. 152 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-10-11 21:16:12,090 INFO L311 TraceCheckSpWp]: Computing backward predicates...