./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/ps2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-nla/ps2-both-nt.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b73e31328980bb314c7579072d8e4a89ec4ca4994cbdfb0690ff58d274b46cfc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:16:08,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:16:08,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:16:08,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:16:08,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:16:09,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:16:09,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:16:09,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:16:09,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:16:09,004 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:16:09,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:16:09,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:16:09,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:16:09,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:16:09,009 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:16:09,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:16:09,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:16:09,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:16:09,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:16:09,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:16:09,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:16:09,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:16:09,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:16:09,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:16:09,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:16:09,012 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:16:09,013 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:16:09,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:16:09,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:16:09,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:16:09,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:16:09,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:16:09,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:16:09,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:16:09,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:16:09,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:16:09,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:16:09,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:16:09,015 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:16:09,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:16:09,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:16:09,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:16:09,016 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:16:09,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:16:09,016 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b73e31328980bb314c7579072d8e4a89ec4ca4994cbdfb0690ff58d274b46cfc [2024-11-19 10:16:09,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:16:09,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:16:09,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:16:09,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:16:09,249 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:16:09,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/ps2-both-nt.c [2024-11-19 10:16:10,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:16:10,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:16:10,607 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/ps2-both-nt.c [2024-11-19 10:16:10,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35166d65/53fc9b6bc788460ca8f0a7d248429c24/FLAGcd8224617 [2024-11-19 10:16:11,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35166d65/53fc9b6bc788460ca8f0a7d248429c24 [2024-11-19 10:16:11,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:16:11,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:16:11,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:16:11,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:16:11,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:16:11,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ae2023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11, skipping insertion in model container [2024-11-19 10:16:11,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:16:11,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:16:11,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:16:11,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:16:11,186 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:16:11,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11 WrapperNode [2024-11-19 10:16:11,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:16:11,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:16:11,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:16:11,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:16:11,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,205 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-11-19 10:16:11,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:16:11,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:16:11,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:16:11,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:16:11,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,214 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,218 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 10:16:11,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:16:11,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:16:11,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:16:11,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:16:11,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (1/1) ... [2024-11-19 10:16:11,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:16:11,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:11,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:16:11,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:16:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:16:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:16:11,336 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:16:11,338 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:16:11,460 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-19 10:16:11,460 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:16:11,472 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:16:11,473 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:16:11,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:11 BoogieIcfgContainer [2024-11-19 10:16:11,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:16:11,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:16:11,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:16:11,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:16:11,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:16:11" (1/3) ... [2024-11-19 10:16:11,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf5cbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:16:11, skipping insertion in model container [2024-11-19 10:16:11,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:11" (2/3) ... [2024-11-19 10:16:11,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf5cbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:16:11, skipping insertion in model container [2024-11-19 10:16:11,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:11" (3/3) ... [2024-11-19 10:16:11,482 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-both-nt.c [2024-11-19 10:16:11,495 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:16:11,496 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-19 10:16:11,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:16:11,557 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;@5dfd7c3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:16:11,557 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-19 10:16:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 35 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 10:16:11,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:11,565 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 10:16:11,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:11,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:11,568 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-11-19 10:16:11,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:11,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464624058] [2024-11-19 10:16:11,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:11,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:11,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:11,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464624058] [2024-11-19 10:16:11,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464624058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:11,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:11,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 10:16:11,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995104152] [2024-11-19 10:16:11,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:11,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:16:11,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:11,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:16:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:16:11,688 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 35 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:11,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:11,697 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2024-11-19 10:16:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:16:11,699 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-19 10:16:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:11,704 INFO L225 Difference]: With dead ends: 40 [2024-11-19 10:16:11,704 INFO L226 Difference]: Without dead ends: 31 [2024-11-19 10:16:11,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:16:11,710 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:11,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:11,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-19 10:16:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-19 10:16:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 30 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:11,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2024-11-19 10:16:11,731 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 4 [2024-11-19 10:16:11,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:11,731 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2024-11-19 10:16:11,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2024-11-19 10:16:11,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:16:11,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:11,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:16:11,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:16:11,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:11,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:11,732 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2024-11-19 10:16:11,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:11,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722745322] [2024-11-19 10:16:11,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:11,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:16:11,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1705796510] [2024-11-19 10:16:11,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:11,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:11,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:11,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:11,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:16:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:11,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:16:11,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:11,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:11,791 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:16:11,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:11,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722745322] [2024-11-19 10:16:11,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:16:11,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705796510] [2024-11-19 10:16:11,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705796510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:11,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:11,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:16:11,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879734731] [2024-11-19 10:16:11,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:11,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:16:11,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:11,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:16:11,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:11,798 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:11,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:11,848 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2024-11-19 10:16:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:16:11,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-19 10:16:11,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:11,849 INFO L225 Difference]: With dead ends: 52 [2024-11-19 10:16:11,849 INFO L226 Difference]: Without dead ends: 49 [2024-11-19 10:16:11,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:11,850 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 15 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:11,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 28 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:11,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-19 10:16:11,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2024-11-19 10:16:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.65625) internal successors, (53), 44 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2024-11-19 10:16:11,856 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 5 [2024-11-19 10:16:11,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:11,857 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2024-11-19 10:16:11,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:11,857 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2024-11-19 10:16:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:16:11,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:11,857 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:16:11,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:16:12,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:12,059 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:12,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:12,060 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2024-11-19 10:16:12,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:12,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750710527] [2024-11-19 10:16:12,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:12,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750710527] [2024-11-19 10:16:12,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750710527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:12,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:12,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:16:12,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662671222] [2024-11-19 10:16:12,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:12,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:16:12,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:12,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:16:12,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:12,093 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:12,127 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2024-11-19 10:16:12,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:16:12,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:16:12,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:12,128 INFO L225 Difference]: With dead ends: 46 [2024-11-19 10:16:12,128 INFO L226 Difference]: Without dead ends: 45 [2024-11-19 10:16:12,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:12,129 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 16 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:12,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 20 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:12,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-19 10:16:12,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-19 10:16:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.625) internal successors, (52), 44 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2024-11-19 10:16:12,133 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 6 [2024-11-19 10:16:12,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:12,133 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2024-11-19 10:16:12,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,133 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2024-11-19 10:16:12,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:16:12,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:12,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:12,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:16:12,134 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:12,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:12,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2024-11-19 10:16:12,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:12,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041884] [2024-11-19 10:16:12,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:12,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041884] [2024-11-19 10:16:12,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:12,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:12,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:16:12,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184157419] [2024-11-19 10:16:12,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:12,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:16:12,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:12,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:16:12,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:12,196 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:12,229 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2024-11-19 10:16:12,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:16:12,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 10:16:12,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:12,231 INFO L225 Difference]: With dead ends: 52 [2024-11-19 10:16:12,231 INFO L226 Difference]: Without dead ends: 49 [2024-11-19 10:16:12,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:12,232 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:12,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 31 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:12,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-19 10:16:12,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2024-11-19 10:16:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.53125) internal successors, (49), 44 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2024-11-19 10:16:12,236 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 7 [2024-11-19 10:16:12,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:12,236 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2024-11-19 10:16:12,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2024-11-19 10:16:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:16:12,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:12,237 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:12,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:16:12,237 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:12,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:12,238 INFO L85 PathProgramCache]: Analyzing trace with hash 553302925, now seen corresponding path program 1 times [2024-11-19 10:16:12,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:12,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965742375] [2024-11-19 10:16:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:12,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965742375] [2024-11-19 10:16:12,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965742375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:12,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:12,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:16:12,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182896981] [2024-11-19 10:16:12,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:12,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:16:12,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:12,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:16:12,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:16:12,299 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:12,368 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2024-11-19 10:16:12,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:16:12,369 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-19 10:16:12,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:12,370 INFO L225 Difference]: With dead ends: 46 [2024-11-19 10:16:12,370 INFO L226 Difference]: Without dead ends: 45 [2024-11-19 10:16:12,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:16:12,371 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 31 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:12,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 19 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:12,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-19 10:16:12,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-19 10:16:12,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.5) internal successors, (48), 44 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2024-11-19 10:16:12,375 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 9 [2024-11-19 10:16:12,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:12,375 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2024-11-19 10:16:12,376 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2024-11-19 10:16:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:16:12,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:12,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:12,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:16:12,376 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:12,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:12,377 INFO L85 PathProgramCache]: Analyzing trace with hash -851832017, now seen corresponding path program 1 times [2024-11-19 10:16:12,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:12,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150995880] [2024-11-19 10:16:12,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:12,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150995880] [2024-11-19 10:16:12,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150995880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:12,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:12,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:16:12,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3384049] [2024-11-19 10:16:12,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:12,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:16:12,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:12,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:16:12,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:16:12,446 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:12,511 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2024-11-19 10:16:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:16:12,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-19 10:16:12,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:12,511 INFO L225 Difference]: With dead ends: 46 [2024-11-19 10:16:12,512 INFO L226 Difference]: Without dead ends: 45 [2024-11-19 10:16:12,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:16:12,515 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 23 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:12,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 22 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:16:12,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-19 10:16:12,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-19 10:16:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.46875) internal successors, (47), 44 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2024-11-19 10:16:12,520 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 11 [2024-11-19 10:16:12,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:12,523 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2024-11-19 10:16:12,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2024-11-19 10:16:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 10:16:12,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:12,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:12,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:16:12,524 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:12,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:12,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1728187185, now seen corresponding path program 1 times [2024-11-19 10:16:12,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:12,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140291572] [2024-11-19 10:16:12,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:12,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140291572] [2024-11-19 10:16:12,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140291572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:12,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:12,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:16:12,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363137896] [2024-11-19 10:16:12,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:12,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:16:12,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:12,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:16:12,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:12,553 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:12,558 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2024-11-19 10:16:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:16:12,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 10:16:12,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:12,559 INFO L225 Difference]: With dead ends: 45 [2024-11-19 10:16:12,559 INFO L226 Difference]: Without dead ends: 44 [2024-11-19 10:16:12,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:12,560 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 16 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:12,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 28 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:12,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-19 10:16:12,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-19 10:16:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.40625) internal successors, (45), 43 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2024-11-19 10:16:12,566 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 13 [2024-11-19 10:16:12,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:12,566 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2024-11-19 10:16:12,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2024-11-19 10:16:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:16:12,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:12,567 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:12,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:16:12,567 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:12,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2034195249, now seen corresponding path program 1 times [2024-11-19 10:16:12,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:12,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718834814] [2024-11-19 10:16:12,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:12,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718834814] [2024-11-19 10:16:12,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718834814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:12,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:12,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:16:12,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160103121] [2024-11-19 10:16:12,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:12,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:16:12,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:12,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:16:12,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:12,605 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:12,616 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2024-11-19 10:16:12,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:16:12,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-19 10:16:12,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:12,617 INFO L225 Difference]: With dead ends: 45 [2024-11-19 10:16:12,617 INFO L226 Difference]: Without dead ends: 44 [2024-11-19 10:16:12,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:16:12,618 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:12,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:12,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-19 10:16:12,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-19 10:16:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.375) internal successors, (44), 43 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2024-11-19 10:16:12,623 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 14 [2024-11-19 10:16:12,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:12,623 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2024-11-19 10:16:12,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2024-11-19 10:16:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:16:12,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:12,623 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:12,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:16:12,623 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:12,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:12,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1277816011, now seen corresponding path program 1 times [2024-11-19 10:16:12,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:12,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285914192] [2024-11-19 10:16:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:12,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285914192] [2024-11-19 10:16:12,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285914192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:12,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:12,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:16:12,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651071638] [2024-11-19 10:16:12,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:12,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:16:12,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:12,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:16:12,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:16:12,667 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:12,712 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2024-11-19 10:16:12,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:16:12,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-19 10:16:12,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:12,714 INFO L225 Difference]: With dead ends: 47 [2024-11-19 10:16:12,714 INFO L226 Difference]: Without dead ends: 46 [2024-11-19 10:16:12,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:16:12,716 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:12,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 24 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-19 10:16:12,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2024-11-19 10:16:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 44 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2024-11-19 10:16:12,722 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 17 [2024-11-19 10:16:12,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:12,722 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2024-11-19 10:16:12,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,723 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2024-11-19 10:16:12,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 10:16:12,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:12,723 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:12,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:16:12,723 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:12,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:12,723 INFO L85 PathProgramCache]: Analyzing trace with hash -957590603, now seen corresponding path program 1 times [2024-11-19 10:16:12,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:12,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758479739] [2024-11-19 10:16:12,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:12,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758479739] [2024-11-19 10:16:12,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758479739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:12,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:16:12,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:16:12,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543921407] [2024-11-19 10:16:12,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:12,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:16:12,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:12,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:16:12,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:16:12,760 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:12,794 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2024-11-19 10:16:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:16:12,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-19 10:16:12,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:12,795 INFO L225 Difference]: With dead ends: 47 [2024-11-19 10:16:12,796 INFO L226 Difference]: Without dead ends: 46 [2024-11-19 10:16:12,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:16:12,797 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:12,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-19 10:16:12,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-19 10:16:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 45 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2024-11-19 10:16:12,803 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 18 [2024-11-19 10:16:12,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:12,803 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2024-11-19 10:16:12,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2024-11-19 10:16:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:16:12,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:12,804 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:12,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:16:12,804 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:12,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:12,804 INFO L85 PathProgramCache]: Analyzing trace with hash -408833162, now seen corresponding path program 1 times [2024-11-19 10:16:12,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:12,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481862334] [2024-11-19 10:16:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:16:12,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2017504289] [2024-11-19 10:16:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:12,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:12,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:12,813 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:12,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:16:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:12,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:16:12,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:16:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:12,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:12,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481862334] [2024-11-19 10:16:12,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:16:12,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017504289] [2024-11-19 10:16:12,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017504289] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:16:12,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:16:12,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-19 10:16:12,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443750176] [2024-11-19 10:16:12,962 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:16:12,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:16:12,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:12,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:16:12,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:16:12,963 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:13,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:13,059 INFO L93 Difference]: Finished difference Result 88 states and 106 transitions. [2024-11-19 10:16:13,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:16:13,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-19 10:16:13,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:13,060 INFO L225 Difference]: With dead ends: 88 [2024-11-19 10:16:13,060 INFO L226 Difference]: Without dead ends: 85 [2024-11-19 10:16:13,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:16:13,061 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 47 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:13,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 44 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:16:13,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-19 10:16:13,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 79. [2024-11-19 10:16:13,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 78 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2024-11-19 10:16:13,068 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 21 [2024-11-19 10:16:13,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:13,068 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2024-11-19 10:16:13,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2024-11-19 10:16:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-19 10:16:13,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:13,068 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:13,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:16:13,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 10:16:13,275 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:13,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:13,275 INFO L85 PathProgramCache]: Analyzing trace with hash 211073913, now seen corresponding path program 1 times [2024-11-19 10:16:13,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:13,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476305100] [2024-11-19 10:16:13,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:13,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:13,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:13,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476305100] [2024-11-19 10:16:13,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476305100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:16:13,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347892249] [2024-11-19 10:16:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:13,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:13,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:13,330 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:13,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:16:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:13,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:16:13,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:13,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:16:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:13,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347892249] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:16:13,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:16:13,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:16:13,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521426788] [2024-11-19 10:16:13,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:16:13,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:16:13,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:13,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:16:13,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:16:13,547 INFO L87 Difference]: Start difference. First operand 79 states and 97 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:13,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:13,617 INFO L93 Difference]: Finished difference Result 79 states and 97 transitions. [2024-11-19 10:16:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:16:13,617 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-19 10:16:13,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:13,619 INFO L225 Difference]: With dead ends: 79 [2024-11-19 10:16:13,620 INFO L226 Difference]: Without dead ends: 77 [2024-11-19 10:16:13,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:16:13,621 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 32 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:13,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:16:13,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-19 10:16:13,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-19 10:16:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 69 states have (on average 1.318840579710145) internal successors, (91), 76 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 91 transitions. [2024-11-19 10:16:13,628 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 91 transitions. Word has length 22 [2024-11-19 10:16:13,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:13,628 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 91 transitions. [2024-11-19 10:16:13,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2024-11-19 10:16:13,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:16:13,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:13,631 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:13,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:16:13,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:13,834 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:13,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:13,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2046643240, now seen corresponding path program 1 times [2024-11-19 10:16:13,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:13,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280993166] [2024-11-19 10:16:13,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:13,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:13,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:13,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280993166] [2024-11-19 10:16:13,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280993166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:16:13,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244672765] [2024-11-19 10:16:13,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:13,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:13,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:13,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:13,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:16:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:13,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:16:13,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:13,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:16:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:14,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244672765] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:16:14,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:16:14,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:16:14,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674342951] [2024-11-19 10:16:14,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:16:14,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:16:14,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:14,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:16:14,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:16:14,052 INFO L87 Difference]: Start difference. First operand 77 states and 91 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:14,131 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2024-11-19 10:16:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:16:14,131 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-19 10:16:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:14,132 INFO L225 Difference]: With dead ends: 80 [2024-11-19 10:16:14,132 INFO L226 Difference]: Without dead ends: 76 [2024-11-19 10:16:14,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:16:14,133 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 26 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:14,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 32 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:16:14,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-19 10:16:14,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2024-11-19 10:16:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 74 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2024-11-19 10:16:14,142 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 23 [2024-11-19 10:16:14,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:14,142 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2024-11-19 10:16:14,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2024-11-19 10:16:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:16:14,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:14,145 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:14,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:16:14,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:14,346 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:14,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:14,346 INFO L85 PathProgramCache]: Analyzing trace with hash 270869562, now seen corresponding path program 1 times [2024-11-19 10:16:14,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:14,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779299776] [2024-11-19 10:16:14,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:14,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:14,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:14,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:14,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779299776] [2024-11-19 10:16:14,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779299776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:16:14,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935783364] [2024-11-19 10:16:14,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:14,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:14,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:14,431 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:14,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:16:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:14,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:16:14,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:14,569 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:16:14,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935783364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:14,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:16:14,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-19 10:16:14,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962593767] [2024-11-19 10:16:14,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:14,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:16:14,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:14,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:16:14,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:16:14,571 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:14,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:14,608 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2024-11-19 10:16:14,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:16:14,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-19 10:16:14,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:14,609 INFO L225 Difference]: With dead ends: 75 [2024-11-19 10:16:14,609 INFO L226 Difference]: Without dead ends: 73 [2024-11-19 10:16:14,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:16:14,609 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 16 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:14,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 18 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-19 10:16:14,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-19 10:16:14,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 69 states have (on average 1.1014492753623188) internal successors, (76), 72 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2024-11-19 10:16:14,613 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 25 [2024-11-19 10:16:14,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:14,613 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2024-11-19 10:16:14,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2024-11-19 10:16:14,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:16:14,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:14,614 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:16:14,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:16:14,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:16:14,817 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:14,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:14,817 INFO L85 PathProgramCache]: Analyzing trace with hash 327964324, now seen corresponding path program 1 times [2024-11-19 10:16:14,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:14,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653639208] [2024-11-19 10:16:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:14,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:14,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:14,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653639208] [2024-11-19 10:16:14,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653639208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:16:14,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136208179] [2024-11-19 10:16:14,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:14,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:14,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:14,851 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:14,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:16:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:14,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:16:14,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:14,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:16:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:14,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136208179] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:16:14,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:16:14,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-19 10:16:14,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79814786] [2024-11-19 10:16:14,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:16:14,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:16:14,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:14,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:16:14,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:16:14,937 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:14,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:14,952 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2024-11-19 10:16:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:16:14,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-19 10:16:14,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:14,953 INFO L225 Difference]: With dead ends: 85 [2024-11-19 10:16:14,953 INFO L226 Difference]: Without dead ends: 84 [2024-11-19 10:16:14,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:16:14,954 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:14,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 88 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:14,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-19 10:16:14,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-19 10:16:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 78 states have (on average 1.0769230769230769) internal successors, (84), 81 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 84 transitions. [2024-11-19 10:16:14,958 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 84 transitions. Word has length 30 [2024-11-19 10:16:14,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:14,958 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 84 transitions. [2024-11-19 10:16:14,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2024-11-19 10:16:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:16:14,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:14,959 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-19 10:16:14,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:16:15,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 10:16:15,159 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:15,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:15,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1347428763, now seen corresponding path program 1 times [2024-11-19 10:16:15,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:15,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287690944] [2024-11-19 10:16:15,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:15,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:15,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287690944] [2024-11-19 10:16:15,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287690944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:16:15,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281643347] [2024-11-19 10:16:15,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:16:15,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:15,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:15,261 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:15,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:16:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:16:15,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:16:15,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:15,450 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:15,450 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:16:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:15,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281643347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:16:15,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:16:15,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-19 10:16:15,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136363928] [2024-11-19 10:16:15,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:16:15,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 10:16:15,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:15,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 10:16:15,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:16:15,567 INFO L87 Difference]: Start difference. First operand 82 states and 84 transitions. Second operand has 20 states, 19 states have (on average 7.7894736842105265) internal successors, (148), 20 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:15,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:15,737 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2024-11-19 10:16:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:16:15,738 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.7894736842105265) internal successors, (148), 20 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-19 10:16:15,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:15,739 INFO L225 Difference]: With dead ends: 121 [2024-11-19 10:16:15,739 INFO L226 Difference]: Without dead ends: 120 [2024-11-19 10:16:15,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=242, Invalid=460, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:16:15,740 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:15,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 42 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:16:15,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-19 10:16:15,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2024-11-19 10:16:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 114 states have (on average 1.0964912280701755) internal successors, (125), 117 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:15,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 125 transitions. [2024-11-19 10:16:15,745 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 125 transitions. Word has length 50 [2024-11-19 10:16:15,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:15,745 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 125 transitions. [2024-11-19 10:16:15,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.7894736842105265) internal successors, (148), 20 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2024-11-19 10:16:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 10:16:15,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:15,746 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-19 10:16:15,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:16:15,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:15,947 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:15,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:15,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1133402702, now seen corresponding path program 2 times [2024-11-19 10:16:15,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:15,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50776246] [2024-11-19 10:16:15,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:16:15,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:15,955 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:16:15,956 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:16:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:16,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:16,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50776246] [2024-11-19 10:16:16,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50776246] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:16:16,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408387268] [2024-11-19 10:16:16,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:16:16,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:16,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:16,054 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:16,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:16:16,089 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:16:16,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:16:16,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:16:16,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:16,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:16:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:16,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408387268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:16:16,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:16:16,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-19 10:16:16,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358343097] [2024-11-19 10:16:16,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:16:16,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:16:16,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:16,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:16:16,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:16:16,398 INFO L87 Difference]: Start difference. First operand 118 states and 125 transitions. Second operand has 22 states, 21 states have (on average 7.523809523809524) internal successors, (158), 22 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:16,639 INFO L93 Difference]: Finished difference Result 127 states and 132 transitions. [2024-11-19 10:16:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:16:16,639 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.523809523809524) internal successors, (158), 22 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-19 10:16:16,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:16,640 INFO L225 Difference]: With dead ends: 127 [2024-11-19 10:16:16,640 INFO L226 Difference]: Without dead ends: 126 [2024-11-19 10:16:16,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=311, Invalid=619, Unknown=0, NotChecked=0, Total=930 [2024-11-19 10:16:16,641 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 70 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:16,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 79 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:16:16,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-19 10:16:16,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2024-11-19 10:16:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 119 states have (on average 1.0756302521008403) internal successors, (128), 122 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:16,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 128 transitions. [2024-11-19 10:16:16,645 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 128 transitions. Word has length 55 [2024-11-19 10:16:16,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:16,645 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 128 transitions. [2024-11-19 10:16:16,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.523809523809524) internal successors, (158), 22 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:16,645 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2024-11-19 10:16:16,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 10:16:16,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:16,649 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-19 10:16:16,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:16:16,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:16:16,850 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:16,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:16,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1120480509, now seen corresponding path program 2 times [2024-11-19 10:16:16,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:16,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529609637] [2024-11-19 10:16:16,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:16:16,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:16,865 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:16:16,865 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:16:16,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124547667] [2024-11-19 10:16:16,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:16:16,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:16,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:16,869 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:16,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:16:16,904 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:16:16,905 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:16:16,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:16:16,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:16,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:16:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:17,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:17,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529609637] [2024-11-19 10:16:17,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:16:17,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124547667] [2024-11-19 10:16:17,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124547667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:16:17,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:16:17,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-19 10:16:17,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66395881] [2024-11-19 10:16:17,119 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:16:17,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:16:17,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:17,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:16:17,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:16:17,120 INFO L87 Difference]: Start difference. First operand 123 states and 128 transitions. Second operand has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:17,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:17,358 INFO L93 Difference]: Finished difference Result 177 states and 185 transitions. [2024-11-19 10:16:17,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:16:17,359 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-19 10:16:17,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:17,359 INFO L225 Difference]: With dead ends: 177 [2024-11-19 10:16:17,359 INFO L226 Difference]: Without dead ends: 176 [2024-11-19 10:16:17,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:16:17,360 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 92 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:17,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 169 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:16:17,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-19 10:16:17,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 169. [2024-11-19 10:16:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 165 states have (on average 1.084848484848485) internal successors, (179), 168 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 179 transitions. [2024-11-19 10:16:17,364 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 179 transitions. Word has length 69 [2024-11-19 10:16:17,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:17,365 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 179 transitions. [2024-11-19 10:16:17,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 179 transitions. [2024-11-19 10:16:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 10:16:17,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:17,365 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-19 10:16:17,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:16:17,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:16:17,566 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:17,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:17,567 INFO L85 PathProgramCache]: Analyzing trace with hash -579361539, now seen corresponding path program 2 times [2024-11-19 10:16:17,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:17,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857691753] [2024-11-19 10:16:17,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:16:17,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:17,574 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:16:17,574 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:16:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:17,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:17,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857691753] [2024-11-19 10:16:17,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857691753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:16:17,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156763185] [2024-11-19 10:16:17,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:16:17,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:17,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:17,643 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:17,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:16:17,681 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:16:17,681 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:16:17,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:16:17,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:17,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:16:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:17,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156763185] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:16:17,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:16:17,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-19 10:16:17,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928119326] [2024-11-19 10:16:17,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:16:17,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:16:17,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:17,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:16:17,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:16:17,840 INFO L87 Difference]: Start difference. First operand 169 states and 179 transitions. Second operand has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:17,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:17,863 INFO L93 Difference]: Finished difference Result 185 states and 190 transitions. [2024-11-19 10:16:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:16:17,864 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-19 10:16:17,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:17,864 INFO L225 Difference]: With dead ends: 185 [2024-11-19 10:16:17,864 INFO L226 Difference]: Without dead ends: 184 [2024-11-19 10:16:17,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:16:17,865 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:17,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 180 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:17,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-19 10:16:17,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2024-11-19 10:16:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 174 states have (on average 1.0574712643678161) internal successors, (184), 177 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:17,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 184 transitions. [2024-11-19 10:16:17,869 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 184 transitions. Word has length 78 [2024-11-19 10:16:17,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:17,869 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 184 transitions. [2024-11-19 10:16:17,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 184 transitions. [2024-11-19 10:16:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 10:16:17,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:17,872 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-19 10:16:17,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:16:18,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:18,073 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:18,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:18,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2106881383, now seen corresponding path program 2 times [2024-11-19 10:16:18,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:18,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938202788] [2024-11-19 10:16:18,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:16:18,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:18,090 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:16:18,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:16:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:18,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:18,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938202788] [2024-11-19 10:16:18,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938202788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:16:18,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917127878] [2024-11-19 10:16:18,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:16:18,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:18,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:18,288 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:18,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:16:18,329 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:16:18,329 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:16:18,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:16:18,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:16:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-19 10:16:18,454 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:16:18,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917127878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:16:18,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:16:18,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 18 [2024-11-19 10:16:18,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381156459] [2024-11-19 10:16:18,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:16:18,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:16:18,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:16:18,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:16:18,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:16:18,455 INFO L87 Difference]: Start difference. First operand 178 states and 184 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:18,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:16:18,507 INFO L93 Difference]: Finished difference Result 178 states and 184 transitions. [2024-11-19 10:16:18,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:16:18,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-19 10:16:18,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:16:18,508 INFO L225 Difference]: With dead ends: 178 [2024-11-19 10:16:18,508 INFO L226 Difference]: Without dead ends: 177 [2024-11-19 10:16:18,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:16:18,509 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:16:18,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 17 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:16:18,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-19 10:16:18,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-19 10:16:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 174 states have (on average 1.0344827586206897) internal successors, (180), 176 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:18,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 180 transitions. [2024-11-19 10:16:18,514 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 180 transitions. Word has length 114 [2024-11-19 10:16:18,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:16:18,515 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 180 transitions. [2024-11-19 10:16:18,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:16:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 180 transitions. [2024-11-19 10:16:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 10:16:18,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:16:18,516 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-19 10:16:18,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:16:18,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:18,719 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:16:18,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:16:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash 939905382, now seen corresponding path program 3 times [2024-11-19 10:16:18,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:16:18,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088928526] [2024-11-19 10:16:18,720 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:16:18,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:16:18,755 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-19 10:16:18,755 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:16:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:16:18,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:16:18,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088928526] [2024-11-19 10:16:18,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088928526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:16:18,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831373754] [2024-11-19 10:16:18,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:16:18,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:16:18,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:16:19,001 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:16:19,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:16:19,029 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 10:16:19,029 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:16:19,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:16:19,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:17:03,917 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 (+ (* 2 |ULTIMATE.start_main_~y~0#1|) 2147483646)) (<= .cse0 2147483647) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-11-19 10:17:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 2 not checked. [2024-11-19 10:17:07,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:17:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-19 10:17:12,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831373754] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 10:17:12,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:17:12,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16, 6] total 25 [2024-11-19 10:17:12,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967198575] [2024-11-19 10:17:12,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:17:12,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:17:12,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:17:12,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:17:12,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=484, Unknown=7, NotChecked=46, Total=650 [2024-11-19 10:17:12,155 INFO L87 Difference]: Start difference. First operand 177 states and 180 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:12,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:17:12,282 INFO L93 Difference]: Finished difference Result 177 states and 180 transitions. [2024-11-19 10:17:12,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:17:12,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2024-11-19 10:17:12,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:17:12,283 INFO L225 Difference]: With dead ends: 177 [2024-11-19 10:17:12,283 INFO L226 Difference]: Without dead ends: 176 [2024-11-19 10:17:12,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=138, Invalid=615, Unknown=7, NotChecked=52, Total=812 [2024-11-19 10:17:12,284 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 67 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:17:12,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 15 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:17:12,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-19 10:17:12,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-19 10:17:12,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 174 states have (on average 1.0114942528735633) internal successors, (176), 175 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2024-11-19 10:17:12,289 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 176 transitions. Word has length 119 [2024-11-19 10:17:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:17:12,289 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 176 transitions. [2024-11-19 10:17:12,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:12,289 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2024-11-19 10:17:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-19 10:17:12,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:17:12,290 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-19 10:17:12,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:17:12,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 10:17:12,495 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:17:12,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:17:12,495 INFO L85 PathProgramCache]: Analyzing trace with hash -408763893, now seen corresponding path program 3 times [2024-11-19 10:17:12,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:17:12,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456200701] [2024-11-19 10:17:12,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:17:12,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:17:12,512 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:17:12,512 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:17:12,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746594701] [2024-11-19 10:17:12,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:17:12,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:17:12,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:17:12,514 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:17:12,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:17:12,590 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:17:12,590 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:17:12,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 10:17:12,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:17:12,834 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:12,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:17:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:13,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:17:13,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456200701] [2024-11-19 10:17:13,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:17:13,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746594701] [2024-11-19 10:17:13,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746594701] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:17:13,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:17:13,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-19 10:17:13,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934257594] [2024-11-19 10:17:13,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:17:13,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:17:13,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:17:13,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:17:13,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:17:13,283 INFO L87 Difference]: Start difference. First operand 176 states and 176 transitions. Second operand has 24 states, 23 states have (on average 14.304347826086957) internal successors, (329), 24 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:14,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:17:14,307 INFO L93 Difference]: Finished difference Result 371 states and 382 transitions. [2024-11-19 10:17:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:17:14,308 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.304347826086957) internal successors, (329), 24 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 165 [2024-11-19 10:17:14,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:17:14,309 INFO L225 Difference]: With dead ends: 371 [2024-11-19 10:17:14,309 INFO L226 Difference]: Without dead ends: 370 [2024-11-19 10:17:14,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:17:14,310 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 206 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:17:14,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 696 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:17:14,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-19 10:17:14,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 359. [2024-11-19 10:17:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 357 states have (on average 1.0364145658263306) internal successors, (370), 358 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 370 transitions. [2024-11-19 10:17:14,317 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 370 transitions. Word has length 165 [2024-11-19 10:17:14,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:17:14,317 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 370 transitions. [2024-11-19 10:17:14,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.304347826086957) internal successors, (329), 24 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 370 transitions. [2024-11-19 10:17:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-19 10:17:14,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:17:14,318 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-19 10:17:14,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:17:14,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-19 10:17:14,519 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:17:14,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:17:14,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1214652497, now seen corresponding path program 3 times [2024-11-19 10:17:14,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:17:14,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121924486] [2024-11-19 10:17:14,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:17:14,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:17:14,545 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:17:14,546 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:17:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:14,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:17:14,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121924486] [2024-11-19 10:17:14,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121924486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:17:14,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31686518] [2024-11-19 10:17:14,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:17:14,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:17:14,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:17:14,758 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:17:14,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:17:14,808 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:17:14,809 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:17:14,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:17:14,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:17:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:14,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:17:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:15,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31686518] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:17:15,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:17:15,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-19 10:17:15,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858949225] [2024-11-19 10:17:15,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:17:15,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:17:15,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:17:15,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:17:15,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:17:15,356 INFO L87 Difference]: Start difference. First operand 359 states and 370 transitions. Second operand has 24 states, 23 states have (on average 15.08695652173913) internal successors, (347), 24 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:17:15,411 INFO L93 Difference]: Finished difference Result 369 states and 380 transitions. [2024-11-19 10:17:15,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:17:15,412 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 15.08695652173913) internal successors, (347), 24 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 174 [2024-11-19 10:17:15,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:17:15,413 INFO L225 Difference]: With dead ends: 369 [2024-11-19 10:17:15,414 INFO L226 Difference]: Without dead ends: 368 [2024-11-19 10:17:15,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:17:15,415 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:17:15,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 334 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:17:15,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-19 10:17:15,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-19 10:17:15,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 366 states have (on average 1.005464480874317) internal successors, (368), 367 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 368 transitions. [2024-11-19 10:17:15,422 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 368 transitions. Word has length 174 [2024-11-19 10:17:15,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:17:15,423 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 368 transitions. [2024-11-19 10:17:15,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 15.08695652173913) internal successors, (347), 24 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:15,423 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 368 transitions. [2024-11-19 10:17:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2024-11-19 10:17:15,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:17:15,425 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1] [2024-11-19 10:17:15,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:17:15,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:17:15,626 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:17:15,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:17:15,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1494250535, now seen corresponding path program 4 times [2024-11-19 10:17:15,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:17:15,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637244220] [2024-11-19 10:17:15,627 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:17:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:17:15,659 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:17:15,659 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:17:15,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040838422] [2024-11-19 10:17:15,661 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:17:15,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:17:15,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:17:15,662 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:17:15,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:17:15,741 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:17:15,741 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:17:15,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-19 10:17:15,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:17:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3762 backedges. 0 proven. 3762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:16,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:17:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3762 backedges. 0 proven. 3762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:17,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:17:17,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637244220] [2024-11-19 10:17:17,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:17:17,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040838422] [2024-11-19 10:17:17,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040838422] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:17:17,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:17:17,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2024-11-19 10:17:17,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33726460] [2024-11-19 10:17:17,509 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:17:17,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-19 10:17:17,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:17:17,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-19 10:17:17,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2024-11-19 10:17:17,511 INFO L87 Difference]: Start difference. First operand 368 states and 368 transitions. Second operand has 48 states, 47 states have (on average 15.170212765957446) internal successors, (713), 48 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:21,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:17:21,300 INFO L93 Difference]: Finished difference Result 767 states and 790 transitions. [2024-11-19 10:17:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-19 10:17:21,300 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 15.170212765957446) internal successors, (713), 48 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 357 [2024-11-19 10:17:21,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:17:21,302 INFO L225 Difference]: With dead ends: 767 [2024-11-19 10:17:21,302 INFO L226 Difference]: Without dead ends: 766 [2024-11-19 10:17:21,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2024-11-19 10:17:21,304 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 557 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 6066 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 6068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:17:21,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 2829 Invalid, 6068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6066 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-19 10:17:21,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-19 10:17:21,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 743. [2024-11-19 10:17:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 741 states have (on average 1.0337381916329285) internal successors, (766), 742 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 766 transitions. [2024-11-19 10:17:21,315 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 766 transitions. Word has length 357 [2024-11-19 10:17:21,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:17:21,316 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 766 transitions. [2024-11-19 10:17:21,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 15.170212765957446) internal successors, (713), 48 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 766 transitions. [2024-11-19 10:17:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-19 10:17:21,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:17:21,319 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1] [2024-11-19 10:17:21,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:17:21,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:17:21,519 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:17:21,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:17:21,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1501351187, now seen corresponding path program 4 times [2024-11-19 10:17:21,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:17:21,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777256391] [2024-11-19 10:17:21,520 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:17:21,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:17:21,544 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:17:21,544 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:17:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 3960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:22,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:17:22,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777256391] [2024-11-19 10:17:22,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777256391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:17:22,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604916320] [2024-11-19 10:17:22,214 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:17:22,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:17:22,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:17:22,216 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:17:22,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:17:22,286 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:17:22,287 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:17:22,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 10:17:22,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:17:22,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 3960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:22,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:17:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 3960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:23,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604916320] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:17:23,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:17:23,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-19 10:17:23,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131394564] [2024-11-19 10:17:23,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:17:23,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-19 10:17:23,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:17:23,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-19 10:17:23,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-19 10:17:23,463 INFO L87 Difference]: Start difference. First operand 743 states and 766 transitions. Second operand has 48 states, 47 states have (on average 15.553191489361701) internal successors, (731), 48 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:17:23,587 INFO L93 Difference]: Finished difference Result 753 states and 776 transitions. [2024-11-19 10:17:23,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-19 10:17:23,588 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 15.553191489361701) internal successors, (731), 48 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 366 [2024-11-19 10:17:23,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:17:23,590 INFO L225 Difference]: With dead ends: 753 [2024-11-19 10:17:23,590 INFO L226 Difference]: Without dead ends: 752 [2024-11-19 10:17:23,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-19 10:17:23,591 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:17:23,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 670 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:17:23,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-11-19 10:17:23,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2024-11-19 10:17:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 750 states have (on average 1.0026666666666666) internal successors, (752), 751 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 752 transitions. [2024-11-19 10:17:23,603 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 752 transitions. Word has length 366 [2024-11-19 10:17:23,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:17:23,603 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 752 transitions. [2024-11-19 10:17:23,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 15.553191489361701) internal successors, (731), 48 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 752 transitions. [2024-11-19 10:17:23,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2024-11-19 10:17:23,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:17:23,613 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1] [2024-11-19 10:17:23,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:17:23,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-19 10:17:23,814 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:17:23,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:17:23,814 INFO L85 PathProgramCache]: Analyzing trace with hash 123074655, now seen corresponding path program 5 times [2024-11-19 10:17:23,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:17:23,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589299912] [2024-11-19 10:17:23,814 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:17:23,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:17:24,024 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:17:24,024 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:17:24,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557213564] [2024-11-19 10:17:24,027 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:17:24,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:17:24,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:17:24,028 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:17:24,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:17:24,262 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:17:24,263 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:17:24,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-19 10:17:24,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:17:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16698 backedges. 0 proven. 16698 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:25,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:17:29,587 INFO L134 CoverageAnalysis]: Checked inductivity of 16698 backedges. 0 proven. 16698 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:29,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:17:29,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589299912] [2024-11-19 10:17:29,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:17:29,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557213564] [2024-11-19 10:17:29,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557213564] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:17:29,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:17:29,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2024-11-19 10:17:29,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266413613] [2024-11-19 10:17:29,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:17:29,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-19 10:17:29,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:17:29,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-19 10:17:29,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 10:17:29,593 INFO L87 Difference]: Start difference. First operand 752 states and 752 transitions. Second operand has 96 states, 95 states have (on average 15.589473684210526) internal successors, (1481), 96 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:46,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:17:46,463 INFO L93 Difference]: Finished difference Result 1559 states and 1606 transitions. [2024-11-19 10:17:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-19 10:17:46,464 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 15.589473684210526) internal successors, (1481), 96 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 741 [2024-11-19 10:17:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:17:46,468 INFO L225 Difference]: With dead ends: 1559 [2024-11-19 10:17:46,468 INFO L226 Difference]: Without dead ends: 1558 [2024-11-19 10:17:46,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1526 GetRequests, 1386 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2024-11-19 10:17:46,472 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1703 mSDsluCounter, 11181 mSDsCounter, 0 mSdLazyCounter, 24809 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1703 SdHoareTripleChecker+Valid, 11420 SdHoareTripleChecker+Invalid, 24811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:17:46,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1703 Valid, 11420 Invalid, 24811 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24809 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-11-19 10:17:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2024-11-19 10:17:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1511. [2024-11-19 10:17:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1509 states have (on average 1.0324718356527502) internal successors, (1558), 1510 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 1558 transitions. [2024-11-19 10:17:46,495 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 1558 transitions. Word has length 741 [2024-11-19 10:17:46,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:17:46,496 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 1558 transitions. [2024-11-19 10:17:46,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 15.589473684210526) internal successors, (1481), 96 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:17:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1558 transitions. [2024-11-19 10:17:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2024-11-19 10:17:46,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:17:46,500 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 1, 1, 1] [2024-11-19 10:17:46,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-19 10:17:46,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-19 10:17:46,704 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 10:17:46,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:17:46,705 INFO L85 PathProgramCache]: Analyzing trace with hash 926713819, now seen corresponding path program 5 times [2024-11-19 10:17:46,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:17:46,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46070336] [2024-11-19 10:17:46,705 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:17:46,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:17:46,874 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:17:46,874 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:17:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 17112 backedges. 0 proven. 17112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:17:49,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:17:49,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46070336] [2024-11-19 10:17:49,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46070336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:17:49,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297092130] [2024-11-19 10:17:49,439 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:17:49,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:17:49,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:17:49,441 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:17:49,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:17:49,661 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:17:49,661 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:17:49,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-19 10:17:49,670 INFO L278 TraceCheckSpWp]: Computing forward predicates...