./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/verifythis/lcp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/verifythis/lcp.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 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:20:17,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:20:17,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:20:17,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:20:17,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:20:17,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:20:17,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:20:17,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:20:17,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:20:17,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:20:17,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:20:17,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:20:17,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:20:17,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:20:17,135 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:20:17,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:20:17,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:20:17,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:20:17,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:20:17,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:20:17,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:20:17,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:20:17,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:20:17,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:20:17,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:20:17,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:20:17,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:20:17,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:20:17,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:20:17,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:20:17,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:20:17,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:20:17,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:20:17,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:20:17,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:20:17,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:20:17,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:20:17,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:20:17,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:20:17,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:20:17,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:20:17,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:20:17,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:20:17,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:20:17,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a [2024-11-09 12:20:17,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:20:17,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:20:17,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:20:17,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:20:17,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:20:17,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/lcp.c [2024-11-09 12:20:19,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:20:19,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:20:19,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/lcp.c [2024-11-09 12:20:19,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c979f022f/898e5e55c90042428bbde32aa7231b51/FLAG03d3a167c [2024-11-09 12:20:19,529 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c979f022f/898e5e55c90042428bbde32aa7231b51 [2024-11-09 12:20:19,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:20:19,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:20:19,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:20:19,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:20:19,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:20:19,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84a7a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19, skipping insertion in model container [2024-11-09 12:20:19,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:20:19,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:20:19,813 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:20:19,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:20:19,852 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:20:19,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19 WrapperNode [2024-11-09 12:20:19,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:20:19,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:20:19,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:20:19,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:20:19,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,902 INFO L138 Inliner]: procedures = 20, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 123 [2024-11-09 12:20:19,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:20:19,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:20:19,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:20:19,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:20:19,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,945 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 6, 7]. 47 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-11-09 12:20:19,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:20:19,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:20:19,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:20:19,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:20:19,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (1/1) ... [2024-11-09 12:20:19,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:20:19,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:20,012 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) [2024-11-09 12:20:20,018 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 [2024-11-09 12:20:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:20:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 12:20:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 12:20:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:20:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 12:20:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 12:20:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 12:20:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:20:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:20:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 12:20:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 12:20:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 12:20:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:20:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:20:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 12:20:20,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:20:20,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:20:20,451 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-09 12:20:20,451 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:20:20,469 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:20:20,470 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:20:20,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:20 BoogieIcfgContainer [2024-11-09 12:20:20,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:20:20,472 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:20:20,472 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:20:20,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:20:20,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:20:19" (1/3) ... [2024-11-09 12:20:20,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6ce019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:20:20, skipping insertion in model container [2024-11-09 12:20:20,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:19" (2/3) ... [2024-11-09 12:20:20,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6ce019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:20:20, skipping insertion in model container [2024-11-09 12:20:20,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:20" (3/3) ... [2024-11-09 12:20:20,478 INFO L112 eAbstractionObserver]: Analyzing ICFG lcp.c [2024-11-09 12:20:20,495 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:20:20,495 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-09 12:20:20,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:20:20,571 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;@201b276c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:20:20,572 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-09 12:20:20,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 46 states have (on average 1.6521739130434783) internal successors, (76), 69 states have internal predecessors, (76), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:20:20,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 12:20:20,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:20,583 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:20,584 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:20,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:20,590 INFO L85 PathProgramCache]: Analyzing trace with hash 45042698, now seen corresponding path program 1 times [2024-11-09 12:20:20,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:20,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447092121] [2024-11-09 12:20:20,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:20,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:20,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:20,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447092121] [2024-11-09 12:20:20,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447092121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:20,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:20,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:20:20,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651384292] [2024-11-09 12:20:20,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:20,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:20:20,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:20,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:20:20,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:20:20,914 INFO L87 Difference]: Start difference. First operand has 76 states, 46 states have (on average 1.6521739130434783) internal successors, (76), 69 states have internal predecessors, (76), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:20,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:20,946 INFO L93 Difference]: Finished difference Result 148 states and 172 transitions. [2024-11-09 12:20:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:20:20,949 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-09 12:20:20,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:20,958 INFO L225 Difference]: With dead ends: 148 [2024-11-09 12:20:20,959 INFO L226 Difference]: Without dead ends: 70 [2024-11-09 12:20:20,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:20:20,969 INFO L432 NwaCegarLoop]: 82 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, 82 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 [2024-11-09 12:20:20,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-09 12:20:21,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-09 12:20:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 63 states have internal predecessors, (67), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2024-11-09 12:20:21,016 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 16 [2024-11-09 12:20:21,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:21,017 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2024-11-09 12:20:21,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:21,017 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2024-11-09 12:20:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 12:20:21,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:21,018 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:21,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:20:21,019 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:21,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:21,020 INFO L85 PathProgramCache]: Analyzing trace with hash 305055178, now seen corresponding path program 1 times [2024-11-09 12:20:21,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:21,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356614771] [2024-11-09 12:20:21,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:21,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:21,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:21,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:21,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:21,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356614771] [2024-11-09 12:20:21,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356614771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:21,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:21,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:21,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805322183] [2024-11-09 12:20:21,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:21,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:21,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:21,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:21,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:21,289 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:21,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:21,388 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions. [2024-11-09 12:20:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:21,388 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-09 12:20:21,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:21,390 INFO L225 Difference]: With dead ends: 85 [2024-11-09 12:20:21,390 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 12:20:21,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:20:21,391 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 65 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:21,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 153 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:21,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 12:20:21,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2024-11-09 12:20:21,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.6) internal successors, (80), 71 states have internal predecessors, (80), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2024-11-09 12:20:21,407 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 16 [2024-11-09 12:20:21,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:21,408 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2024-11-09 12:20:21,408 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2024-11-09 12:20:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 12:20:21,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:21,409 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:21,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:20:21,409 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:21,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:21,410 INFO L85 PathProgramCache]: Analyzing trace with hash 866775972, now seen corresponding path program 1 times [2024-11-09 12:20:21,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:21,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901820004] [2024-11-09 12:20:21,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:21,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:21,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:21,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:21,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:21,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901820004] [2024-11-09 12:20:21,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901820004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:21,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:21,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:21,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559460259] [2024-11-09 12:20:21,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:21,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:21,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:21,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:21,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:21,557 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:21,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:21,658 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2024-11-09 12:20:21,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:21,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-11-09 12:20:21,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:21,660 INFO L225 Difference]: With dead ends: 85 [2024-11-09 12:20:21,662 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 12:20:21,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:20:21,664 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 62 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:21,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 155 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:21,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 12:20:21,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2024-11-09 12:20:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 51 states have (on average 1.5686274509803921) internal successors, (80), 72 states have internal predecessors, (80), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 88 transitions. [2024-11-09 12:20:21,679 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 88 transitions. Word has length 17 [2024-11-09 12:20:21,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:21,679 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 88 transitions. [2024-11-09 12:20:21,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2024-11-09 12:20:21,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 12:20:21,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:21,680 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:21,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:20:21,681 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:21,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:21,684 INFO L85 PathProgramCache]: Analyzing trace with hash -251944762, now seen corresponding path program 1 times [2024-11-09 12:20:21,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:21,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606670647] [2024-11-09 12:20:21,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:21,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:21,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:21,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:21,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:21,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606670647] [2024-11-09 12:20:21,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606670647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:21,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:21,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:21,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975079213] [2024-11-09 12:20:21,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:21,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:21,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:21,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:21,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:21,803 INFO L87 Difference]: Start difference. First operand 79 states and 88 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:21,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:21,879 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2024-11-09 12:20:21,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:21,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2024-11-09 12:20:21,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:21,884 INFO L225 Difference]: With dead ends: 85 [2024-11-09 12:20:21,884 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 12:20:21,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:20:21,885 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 58 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:21,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 157 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 12:20:21,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2024-11-09 12:20:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.5384615384615385) internal successors, (80), 73 states have internal predecessors, (80), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2024-11-09 12:20:21,901 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 19 [2024-11-09 12:20:21,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:21,902 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2024-11-09 12:20:21,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2024-11-09 12:20:21,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 12:20:21,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:21,903 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:21,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:20:21,905 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:21,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:21,905 INFO L85 PathProgramCache]: Analyzing trace with hash 779647023, now seen corresponding path program 1 times [2024-11-09 12:20:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:21,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824822457] [2024-11-09 12:20:21,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:21,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:22,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:22,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824822457] [2024-11-09 12:20:22,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824822457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:22,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:22,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:22,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060993241] [2024-11-09 12:20:22,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:22,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:22,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:22,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:22,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:22,062 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:22,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:22,128 INFO L93 Difference]: Finished difference Result 85 states and 93 transitions. [2024-11-09 12:20:22,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:22,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2024-11-09 12:20:22,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:22,129 INFO L225 Difference]: With dead ends: 85 [2024-11-09 12:20:22,129 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 12:20:22,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:20:22,131 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 55 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:22,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 159 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:22,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 12:20:22,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2024-11-09 12:20:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.509433962264151) internal successors, (80), 74 states have internal predecessors, (80), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2024-11-09 12:20:22,146 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 20 [2024-11-09 12:20:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:22,147 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2024-11-09 12:20:22,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:22,147 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2024-11-09 12:20:22,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 12:20:22,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:22,147 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:22,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:20:22,148 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:22,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:22,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1922218242, now seen corresponding path program 1 times [2024-11-09 12:20:22,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:22,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120106501] [2024-11-09 12:20:22,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:22,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:22,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:22,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120106501] [2024-11-09 12:20:22,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120106501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:22,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:22,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:22,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869498462] [2024-11-09 12:20:22,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:22,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:20:22,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:22,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:20:22,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:20:22,215 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:22,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:22,235 INFO L93 Difference]: Finished difference Result 145 states and 156 transitions. [2024-11-09 12:20:22,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:20:22,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-09 12:20:22,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:22,237 INFO L225 Difference]: With dead ends: 145 [2024-11-09 12:20:22,237 INFO L226 Difference]: Without dead ends: 82 [2024-11-09 12:20:22,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:20:22,238 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:22,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:22,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-09 12:20:22,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-09 12:20:22,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.5) internal successors, (81), 75 states have internal predecessors, (81), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2024-11-09 12:20:22,251 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 22 [2024-11-09 12:20:22,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:22,254 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2024-11-09 12:20:22,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2024-11-09 12:20:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 12:20:22,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:22,256 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:22,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:20:22,256 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:22,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:22,257 INFO L85 PathProgramCache]: Analyzing trace with hash -551420164, now seen corresponding path program 1 times [2024-11-09 12:20:22,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:22,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128819998] [2024-11-09 12:20:22,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:22,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:22,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:22,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128819998] [2024-11-09 12:20:22,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128819998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:22,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:22,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:22,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991370553] [2024-11-09 12:20:22,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:22,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:22,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:22,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:22,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:22,350 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:22,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:22,402 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2024-11-09 12:20:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:22,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-09 12:20:22,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:22,405 INFO L225 Difference]: With dead ends: 89 [2024-11-09 12:20:22,405 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 12:20:22,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:22,407 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 6 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:22,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 175 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 12:20:22,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2024-11-09 12:20:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2024-11-09 12:20:22,419 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 26 [2024-11-09 12:20:22,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:22,420 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2024-11-09 12:20:22,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2024-11-09 12:20:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 12:20:22,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:22,425 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:22,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:20:22,425 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:22,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:22,425 INFO L85 PathProgramCache]: Analyzing trace with hash -2030108329, now seen corresponding path program 1 times [2024-11-09 12:20:22,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:22,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560326315] [2024-11-09 12:20:22,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:22,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 12:20:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:22,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:22,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560326315] [2024-11-09 12:20:22,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560326315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:22,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402544913] [2024-11-09 12:20:22,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:22,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:22,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:22,882 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) [2024-11-09 12:20:22,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:20:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:22,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:20:22,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:23,130 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:20:23,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402544913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:23,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:20:23,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2024-11-09 12:20:23,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17021179] [2024-11-09 12:20:23,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:23,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:20:23,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:23,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:20:23,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-09 12:20:23,138 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 7 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:20:23,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:23,227 INFO L93 Difference]: Finished difference Result 85 states and 93 transitions. [2024-11-09 12:20:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:20:23,228 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 29 [2024-11-09 12:20:23,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:23,229 INFO L225 Difference]: With dead ends: 85 [2024-11-09 12:20:23,229 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 12:20:23,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-09 12:20:23,230 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 41 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:23,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 225 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:23,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 12:20:23,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-09 12:20:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 77 states have internal predecessors, (84), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2024-11-09 12:20:23,237 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 29 [2024-11-09 12:20:23,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:23,238 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2024-11-09 12:20:23,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:20:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2024-11-09 12:20:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:20:23,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:23,239 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:23,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:20:23,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:23,440 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:23,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:23,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1633797672, now seen corresponding path program 1 times [2024-11-09 12:20:23,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:23,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393614920] [2024-11-09 12:20:23,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:23,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:23,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:23,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:23,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:23,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393614920] [2024-11-09 12:20:23,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393614920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:23,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:23,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:20:23,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820724798] [2024-11-09 12:20:23,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:23,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:23,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:23,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:23,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:23,525 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:23,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:23,550 INFO L93 Difference]: Finished difference Result 158 states and 172 transitions. [2024-11-09 12:20:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:23,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-09 12:20:23,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:23,554 INFO L225 Difference]: With dead ends: 158 [2024-11-09 12:20:23,554 INFO L226 Difference]: Without dead ends: 88 [2024-11-09 12:20:23,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:23,555 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 1 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:23,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 201 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:23,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-09 12:20:23,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2024-11-09 12:20:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.4576271186440677) internal successors, (86), 79 states have internal predecessors, (86), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2024-11-09 12:20:23,566 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 28 [2024-11-09 12:20:23,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:23,567 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2024-11-09 12:20:23,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2024-11-09 12:20:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:20:23,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:23,571 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:23,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:20:23,571 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:23,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:23,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1491151332, now seen corresponding path program 1 times [2024-11-09 12:20:23,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:23,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440908352] [2024-11-09 12:20:23,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:23,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:23,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:23,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:23,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 12:20:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:23,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:23,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440908352] [2024-11-09 12:20:23,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440908352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:23,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:23,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 12:20:23,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339729687] [2024-11-09 12:20:23,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:23,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:20:23,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:23,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:20:23,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:20:23,800 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 9 states, 7 states have (on average 3.0) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:20:23,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:23,933 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2024-11-09 12:20:23,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:20:23,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.0) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 30 [2024-11-09 12:20:23,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:23,934 INFO L225 Difference]: With dead ends: 123 [2024-11-09 12:20:23,934 INFO L226 Difference]: Without dead ends: 86 [2024-11-09 12:20:23,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:20:23,935 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 37 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:23,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 351 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:23,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-09 12:20:23,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-09 12:20:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 79 states have internal predecessors, (83), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-09 12:20:23,941 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 30 [2024-11-09 12:20:23,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:23,941 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-09 12:20:23,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.0) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:20:23,941 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-09 12:20:23,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:20:23,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:23,942 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:23,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:20:23,942 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:23,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:23,943 INFO L85 PathProgramCache]: Analyzing trace with hash -46334476, now seen corresponding path program 1 times [2024-11-09 12:20:23,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:23,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789662524] [2024-11-09 12:20:23,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:23,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:24,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:24,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:24,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:24,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789662524] [2024-11-09 12:20:24,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789662524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:24,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860007911] [2024-11-09 12:20:24,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:24,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:24,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:24,103 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) [2024-11-09 12:20:24,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:20:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:24,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:20:24,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:24,299 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:20:24,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860007911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:24,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:20:24,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-09 12:20:24,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965591213] [2024-11-09 12:20:24,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:24,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:20:24,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:24,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:20:24,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:20:24,301 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:24,422 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-09 12:20:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:20:24,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2024-11-09 12:20:24,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:24,424 INFO L225 Difference]: With dead ends: 86 [2024-11-09 12:20:24,424 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 12:20:24,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:20:24,425 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 40 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:24,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 238 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:24,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 12:20:24,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-09 12:20:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 76 states have internal predecessors, (80), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2024-11-09 12:20:24,434 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 30 [2024-11-09 12:20:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:24,434 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2024-11-09 12:20:24,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2024-11-09 12:20:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 12:20:24,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:24,437 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:24,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:20:24,637 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 [2024-11-09 12:20:24,639 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:24,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:24,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1436368710, now seen corresponding path program 1 times [2024-11-09 12:20:24,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:24,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242414573] [2024-11-09 12:20:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:24,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:24,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:24,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:24,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242414573] [2024-11-09 12:20:24,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242414573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:24,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107001448] [2024-11-09 12:20:24,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:24,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:24,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:24,891 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) [2024-11-09 12:20:24,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:20:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:24,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:20:24,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:25,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:25,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107001448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:25,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:25,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-11-09 12:20:25,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163214830] [2024-11-09 12:20:25,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:25,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:20:25,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:25,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:20:25,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:20:25,172 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand has 12 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:25,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:25,424 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2024-11-09 12:20:25,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:20:25,425 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-09 12:20:25,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:25,426 INFO L225 Difference]: With dead ends: 85 [2024-11-09 12:20:25,426 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 12:20:25,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 57 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-09 12:20:25,427 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 81 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:25,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 505 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:25,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 12:20:25,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2024-11-09 12:20:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 74 states have internal predecessors, (78), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2024-11-09 12:20:25,432 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 31 [2024-11-09 12:20:25,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:25,433 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2024-11-09 12:20:25,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2024-11-09 12:20:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 12:20:25,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:25,434 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:25,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 12:20:25,638 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 [2024-11-09 12:20:25,639 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:25,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:25,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1665826724, now seen corresponding path program 1 times [2024-11-09 12:20:25,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:25,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819481895] [2024-11-09 12:20:25,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:25,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:25,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:25,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:25,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:25,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819481895] [2024-11-09 12:20:25,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819481895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:25,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119580892] [2024-11-09 12:20:25,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:25,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:25,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:25,738 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) [2024-11-09 12:20:25,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:20:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:25,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:20:25,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:25,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:25,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:20:25,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119580892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:25,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:20:25,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-09 12:20:25,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535740685] [2024-11-09 12:20:25,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:25,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:20:25,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:25,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:20:25,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:20:25,902 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:25,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:25,978 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2024-11-09 12:20:25,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:20:25,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2024-11-09 12:20:25,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:25,979 INFO L225 Difference]: With dead ends: 81 [2024-11-09 12:20:25,979 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 12:20:25,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:20:25,980 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 36 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:25,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 194 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:25,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 12:20:25,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-09 12:20:25,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 72 states have internal predecessors, (76), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:25,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2024-11-09 12:20:25,985 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 33 [2024-11-09 12:20:25,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:25,985 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2024-11-09 12:20:25,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2024-11-09 12:20:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 12:20:25,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:25,986 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:26,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:20:26,187 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 [2024-11-09 12:20:26,188 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:26,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:26,188 INFO L85 PathProgramCache]: Analyzing trace with hash -101020839, now seen corresponding path program 1 times [2024-11-09 12:20:26,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:26,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120274460] [2024-11-09 12:20:26,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:26,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:26,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:26,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:26,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:26,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120274460] [2024-11-09 12:20:26,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120274460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:26,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961822773] [2024-11-09 12:20:26,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:26,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:26,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:26,346 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) [2024-11-09 12:20:26,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:20:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:26,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:20:26,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:26,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:26,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961822773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:26,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:26,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-11-09 12:20:26,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963980250] [2024-11-09 12:20:26,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:26,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 12:20:26,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:26,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 12:20:26,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:20:26,658 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:26,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:26,922 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2024-11-09 12:20:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 12:20:26,923 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-09 12:20:26,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:26,923 INFO L225 Difference]: With dead ends: 80 [2024-11-09 12:20:26,924 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 12:20:26,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-11-09 12:20:26,925 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 78 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:26,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 398 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:26,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 12:20:26,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2024-11-09 12:20:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 70 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:26,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2024-11-09 12:20:26,929 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 34 [2024-11-09 12:20:26,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:26,930 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2024-11-09 12:20:26,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2024-11-09 12:20:26,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 12:20:26,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:26,931 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:26,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:20:27,131 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 [2024-11-09 12:20:27,132 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:27,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:27,132 INFO L85 PathProgramCache]: Analyzing trace with hash 167249230, now seen corresponding path program 1 times [2024-11-09 12:20:27,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:27,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783953387] [2024-11-09 12:20:27,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:27,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:27,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:27,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:27,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:27,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783953387] [2024-11-09 12:20:27,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783953387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:27,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73918478] [2024-11-09 12:20:27,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:27,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:27,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:27,233 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) [2024-11-09 12:20:27,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:20:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:27,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:20:27,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:27,379 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:27,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73918478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:27,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:27,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 12:20:27,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467797243] [2024-11-09 12:20:27,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:27,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:20:27,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:27,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:20:27,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:20:27,453 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:27,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:27,542 INFO L93 Difference]: Finished difference Result 132 states and 148 transitions. [2024-11-09 12:20:27,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:20:27,544 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-09 12:20:27,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:27,544 INFO L225 Difference]: With dead ends: 132 [2024-11-09 12:20:27,545 INFO L226 Difference]: Without dead ends: 131 [2024-11-09 12:20:27,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:20:27,545 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 12 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:27,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 317 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:27,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-09 12:20:27,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 119. [2024-11-09 12:20:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 101 states have (on average 1.2376237623762376) internal successors, (125), 112 states have internal predecessors, (125), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 133 transitions. [2024-11-09 12:20:27,555 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 133 transitions. Word has length 43 [2024-11-09 12:20:27,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:27,555 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 133 transitions. [2024-11-09 12:20:27,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2024-11-09 12:20:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 12:20:27,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:27,556 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:27,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:20:27,757 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 [2024-11-09 12:20:27,757 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:27,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:27,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1867722610, now seen corresponding path program 1 times [2024-11-09 12:20:27,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:27,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944336747] [2024-11-09 12:20:27,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:27,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:28,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:28,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:28,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:20:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:28,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:28,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944336747] [2024-11-09 12:20:28,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944336747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:28,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967409076] [2024-11-09 12:20:28,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:28,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:28,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:28,221 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) [2024-11-09 12:20:28,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:20:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:28,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 12:20:28,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:28,555 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:28,556 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:29,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967409076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:29,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:29,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 32 [2024-11-09 12:20:29,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411970315] [2024-11-09 12:20:29,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:29,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 12:20:29,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:29,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 12:20:29,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 12:20:29,005 INFO L87 Difference]: Start difference. First operand 119 states and 133 transitions. Second operand has 33 states, 29 states have (on average 3.206896551724138) internal successors, (93), 33 states have internal predecessors, (93), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) [2024-11-09 12:20:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:29,715 INFO L93 Difference]: Finished difference Result 143 states and 167 transitions. [2024-11-09 12:20:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 12:20:29,716 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 29 states have (on average 3.206896551724138) internal successors, (93), 33 states have internal predecessors, (93), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) Word has length 44 [2024-11-09 12:20:29,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:29,717 INFO L225 Difference]: With dead ends: 143 [2024-11-09 12:20:29,718 INFO L226 Difference]: Without dead ends: 140 [2024-11-09 12:20:29,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=291, Invalid=1779, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 12:20:29,719 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 208 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:29,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 434 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:20:29,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-09 12:20:29,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 116. [2024-11-09 12:20:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 101 states have (on average 1.2079207920792079) internal successors, (122), 109 states have internal predecessors, (122), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 130 transitions. [2024-11-09 12:20:29,729 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 130 transitions. Word has length 44 [2024-11-09 12:20:29,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:29,729 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 130 transitions. [2024-11-09 12:20:29,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 29 states have (on average 3.206896551724138) internal successors, (93), 33 states have internal predecessors, (93), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) [2024-11-09 12:20:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 130 transitions. [2024-11-09 12:20:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 12:20:29,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:29,731 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:29,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:20:29,931 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 [2024-11-09 12:20:29,932 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:29,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:29,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2064825969, now seen corresponding path program 1 times [2024-11-09 12:20:29,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:29,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636901202] [2024-11-09 12:20:29,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:29,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:20:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:20:30,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:30,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636901202] [2024-11-09 12:20:30,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636901202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:30,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294195010] [2024-11-09 12:20:30,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:30,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:30,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:30,066 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) [2024-11-09 12:20:30,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:20:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:20:30,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:20:30,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:20:30,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294195010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:30,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:20:30,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2024-11-09 12:20:30,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744826873] [2024-11-09 12:20:30,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:30,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:20:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:30,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:20:30,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:20:30,259 INFO L87 Difference]: Start difference. First operand 116 states and 130 transitions. Second operand has 7 states, 5 states have (on average 6.6) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:20:30,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:30,336 INFO L93 Difference]: Finished difference Result 116 states and 130 transitions. [2024-11-09 12:20:30,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:20:30,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 6.6) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2024-11-09 12:20:30,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:30,338 INFO L225 Difference]: With dead ends: 116 [2024-11-09 12:20:30,338 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 12:20:30,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:20:30,339 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 16 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:30,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 216 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:30,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 12:20:30,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-09 12:20:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 101 states have (on average 1.198019801980198) internal successors, (121), 108 states have internal predecessors, (121), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:20:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 129 transitions. [2024-11-09 12:20:30,347 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 129 transitions. Word has length 45 [2024-11-09 12:20:30,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:30,347 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 129 transitions. [2024-11-09 12:20:30,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 6.6) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:20:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2024-11-09 12:20:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 12:20:30,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:30,348 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:30,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:20:30,548 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 [2024-11-09 12:20:30,548 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:30,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:30,549 INFO L85 PathProgramCache]: Analyzing trace with hash 414904496, now seen corresponding path program 1 times [2024-11-09 12:20:30,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:30,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136751250] [2024-11-09 12:20:30,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:30,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:20:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,859 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:20:30,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136751250] [2024-11-09 12:20:30,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136751250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261573180] [2024-11-09 12:20:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:30,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:30,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:30,863 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) [2024-11-09 12:20:30,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:20:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:30,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 12:20:30,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:20:31,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:20:31,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261573180] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:31,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:31,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-09 12:20:31,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035391985] [2024-11-09 12:20:31,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:31,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:20:31,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:31,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:20:31,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:20:31,509 INFO L87 Difference]: Start difference. First operand 115 states and 129 transitions. Second operand has 24 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 24 states have internal predecessors, (68), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:20:32,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:32,422 INFO L93 Difference]: Finished difference Result 142 states and 163 transitions. [2024-11-09 12:20:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 12:20:32,422 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 24 states have internal predecessors, (68), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2024-11-09 12:20:32,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:32,424 INFO L225 Difference]: With dead ends: 142 [2024-11-09 12:20:32,424 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 12:20:32,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=386, Invalid=1776, Unknown=0, NotChecked=0, Total=2162 [2024-11-09 12:20:32,426 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 108 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:32,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 662 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:20:32,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 12:20:32,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 123. [2024-11-09 12:20:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 108 states have (on average 1.1851851851851851) internal successors, (128), 115 states have internal predecessors, (128), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:20:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2024-11-09 12:20:32,432 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 46 [2024-11-09 12:20:32,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:32,433 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2024-11-09 12:20:32,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 24 states have internal predecessors, (68), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:20:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2024-11-09 12:20:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 12:20:32,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:32,434 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:32,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 12:20:32,634 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 [2024-11-09 12:20:32,635 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:32,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:32,635 INFO L85 PathProgramCache]: Analyzing trace with hash -683023284, now seen corresponding path program 1 times [2024-11-09 12:20:32,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:32,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828192150] [2024-11-09 12:20:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:32,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:32,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:33,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 12:20:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:33,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:33,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828192150] [2024-11-09 12:20:33,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828192150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:33,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239520487] [2024-11-09 12:20:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:33,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:33,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:33,044 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) [2024-11-09 12:20:33,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:20:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:33,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 12:20:33,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:33,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:33,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239520487] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:33,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:33,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 27 [2024-11-09 12:20:33,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188368955] [2024-11-09 12:20:33,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:33,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 12:20:33,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:33,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 12:20:33,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2024-11-09 12:20:33,684 INFO L87 Difference]: Start difference. First operand 123 states and 138 transitions. Second operand has 28 states, 24 states have (on average 4.208333333333333) internal successors, (101), 28 states have internal predecessors, (101), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-09 12:20:34,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:34,465 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2024-11-09 12:20:34,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 12:20:34,465 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 24 states have (on average 4.208333333333333) internal successors, (101), 28 states have internal predecessors, (101), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 48 [2024-11-09 12:20:34,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:34,467 INFO L225 Difference]: With dead ends: 186 [2024-11-09 12:20:34,467 INFO L226 Difference]: Without dead ends: 182 [2024-11-09 12:20:34,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=212, Invalid=1510, Unknown=0, NotChecked=0, Total=1722 [2024-11-09 12:20:34,469 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 184 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:34,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 589 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:20:34,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-09 12:20:34,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 144. [2024-11-09 12:20:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 127 states have (on average 1.188976377952756) internal successors, (151), 134 states have internal predecessors, (151), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:20:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2024-11-09 12:20:34,479 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 48 [2024-11-09 12:20:34,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:34,479 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2024-11-09 12:20:34,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 24 states have (on average 4.208333333333333) internal successors, (101), 28 states have internal predecessors, (101), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-09 12:20:34,479 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2024-11-09 12:20:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 12:20:34,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:34,480 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:34,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:20:34,680 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 [2024-11-09 12:20:34,681 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:34,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:34,682 INFO L85 PathProgramCache]: Analyzing trace with hash 63728700, now seen corresponding path program 1 times [2024-11-09 12:20:34,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:34,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895653744] [2024-11-09 12:20:34,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:34,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:34,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:34,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:34,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:20:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:34,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 12:20:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:20:34,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:34,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895653744] [2024-11-09 12:20:34,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895653744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:34,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468555593] [2024-11-09 12:20:34,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:34,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:34,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:34,961 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) [2024-11-09 12:20:34,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:20:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:35,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:20:35,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:20:35,256 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:20:35,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468555593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:35,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:20:35,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 18 [2024-11-09 12:20:35,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358569148] [2024-11-09 12:20:35,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:35,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:20:35,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:35,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:20:35,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-09 12:20:35,258 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:20:35,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:35,364 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2024-11-09 12:20:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:20:35,364 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2024-11-09 12:20:35,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:35,365 INFO L225 Difference]: With dead ends: 144 [2024-11-09 12:20:35,365 INFO L226 Difference]: Without dead ends: 142 [2024-11-09 12:20:35,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-09 12:20:35,367 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 18 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:35,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 158 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:35,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-09 12:20:35,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-09 12:20:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 127 states have (on average 1.1574803149606299) internal successors, (147), 132 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:20:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 161 transitions. [2024-11-09 12:20:35,374 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 161 transitions. Word has length 53 [2024-11-09 12:20:35,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:35,374 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 161 transitions. [2024-11-09 12:20:35,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:20:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 161 transitions. [2024-11-09 12:20:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 12:20:35,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:35,376 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:35,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:20:35,576 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 [2024-11-09 12:20:35,577 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:35,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:35,577 INFO L85 PathProgramCache]: Analyzing trace with hash 166257259, now seen corresponding path program 1 times [2024-11-09 12:20:35,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:35,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788294750] [2024-11-09 12:20:35,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:35,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:35,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:35,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:35,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:20:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:35,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 12:20:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:35,808 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:20:35,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:35,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788294750] [2024-11-09 12:20:35,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788294750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:35,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674882842] [2024-11-09 12:20:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:35,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:35,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:35,810 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) [2024-11-09 12:20:35,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:20:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:35,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 12:20:35,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 12:20:36,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 12:20:36,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674882842] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:36,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:36,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 18 [2024-11-09 12:20:36,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199294285] [2024-11-09 12:20:36,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:36,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 12:20:36,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:36,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 12:20:36,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-11-09 12:20:36,211 INFO L87 Difference]: Start difference. First operand 142 states and 161 transitions. Second operand has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 12:20:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:36,535 INFO L93 Difference]: Finished difference Result 189 states and 214 transitions. [2024-11-09 12:20:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 12:20:36,536 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 56 [2024-11-09 12:20:36,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:36,537 INFO L225 Difference]: With dead ends: 189 [2024-11-09 12:20:36,537 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 12:20:36,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 109 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2024-11-09 12:20:36,539 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 66 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:36,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 488 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:20:36,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 12:20:36,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-09 12:20:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 123 states have (on average 1.113821138211382) internal successors, (137), 128 states have internal predecessors, (137), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:20:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 151 transitions. [2024-11-09 12:20:36,547 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 151 transitions. Word has length 56 [2024-11-09 12:20:36,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:36,547 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 151 transitions. [2024-11-09 12:20:36,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 12:20:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2024-11-09 12:20:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 12:20:36,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:36,548 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:36,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 12:20:36,752 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 [2024-11-09 12:20:36,753 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:36,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:36,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1073808135, now seen corresponding path program 1 times [2024-11-09 12:20:36,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:36,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932595439] [2024-11-09 12:20:36,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:36,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:37,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:37,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:37,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 12:20:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:37,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:20:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:20:37,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:37,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932595439] [2024-11-09 12:20:37,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932595439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:37,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027819122] [2024-11-09 12:20:37,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:37,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:37,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:37,116 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) [2024-11-09 12:20:37,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:20:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:37,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 12:20:37,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:37,436 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 12:20:37,436 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 12:20:37,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027819122] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:37,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:37,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2024-11-09 12:20:37,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137513606] [2024-11-09 12:20:37,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:37,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 12:20:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 12:20:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2024-11-09 12:20:37,583 INFO L87 Difference]: Start difference. First operand 138 states and 151 transitions. Second operand has 23 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 23 states have internal predecessors, (93), 5 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 12:20:38,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:38,273 INFO L93 Difference]: Finished difference Result 182 states and 205 transitions. [2024-11-09 12:20:38,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 12:20:38,274 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 23 states have internal predecessors, (93), 5 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 58 [2024-11-09 12:20:38,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:38,275 INFO L225 Difference]: With dead ends: 182 [2024-11-09 12:20:38,275 INFO L226 Difference]: Without dead ends: 143 [2024-11-09 12:20:38,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=257, Invalid=1149, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 12:20:38,276 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 138 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:38,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 444 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:20:38,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-09 12:20:38,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2024-11-09 12:20:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 106 states have (on average 1.0849056603773586) internal successors, (115), 109 states have internal predecessors, (115), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:20:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 125 transitions. [2024-11-09 12:20:38,288 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 125 transitions. Word has length 58 [2024-11-09 12:20:38,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:38,289 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 125 transitions. [2024-11-09 12:20:38,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 23 states have internal predecessors, (93), 5 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 12:20:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 125 transitions. [2024-11-09 12:20:38,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 12:20:38,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:38,291 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:38,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:20:38,491 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 [2024-11-09 12:20:38,492 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:38,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:38,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1780969435, now seen corresponding path program 1 times [2024-11-09 12:20:38,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:38,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349545982] [2024-11-09 12:20:38,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:38,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:38,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:38,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:38,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:20:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:38,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 12:20:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 12:20:38,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:38,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349545982] [2024-11-09 12:20:38,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349545982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:38,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662685891] [2024-11-09 12:20:38,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:38,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:38,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:38,818 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) [2024-11-09 12:20:38,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:20:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:38,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 12:20:38,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 12:20:39,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 12:20:39,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662685891] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:39,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:39,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 17 [2024-11-09 12:20:39,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497562735] [2024-11-09 12:20:39,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:39,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 12:20:39,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:39,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 12:20:39,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-09 12:20:39,353 INFO L87 Difference]: Start difference. First operand 117 states and 125 transitions. Second operand has 18 states, 17 states have (on average 5.9411764705882355) internal successors, (101), 18 states have internal predecessors, (101), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:20:39,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:39,647 INFO L93 Difference]: Finished difference Result 119 states and 127 transitions. [2024-11-09 12:20:39,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:20:39,648 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.9411764705882355) internal successors, (101), 18 states have internal predecessors, (101), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 73 [2024-11-09 12:20:39,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:39,649 INFO L225 Difference]: With dead ends: 119 [2024-11-09 12:20:39,649 INFO L226 Difference]: Without dead ends: 92 [2024-11-09 12:20:39,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 142 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:20:39,650 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 24 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:39,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 295 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:20:39,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-09 12:20:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2024-11-09 12:20:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 85 states have (on average 1.0588235294117647) internal successors, (90), 86 states have internal predecessors, (90), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:20:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2024-11-09 12:20:39,660 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 73 [2024-11-09 12:20:39,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:39,661 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2024-11-09 12:20:39,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.9411764705882355) internal successors, (101), 18 states have internal predecessors, (101), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:20:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2024-11-09 12:20:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 12:20:39,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:39,662 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:39,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 12:20:39,863 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 [2024-11-09 12:20:39,863 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:39,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:39,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1579977952, now seen corresponding path program 2 times [2024-11-09 12:20:39,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:39,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214700611] [2024-11-09 12:20:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:39,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:40,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:40,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:40,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 12:20:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 12:20:40,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:40,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214700611] [2024-11-09 12:20:40,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214700611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:40,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573552837] [2024-11-09 12:20:40,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:20:40,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:40,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:40,173 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) [2024-11-09 12:20:40,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:20:40,290 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:20:40,290 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:20:40,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 12:20:40,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 12:20:40,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:40,971 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 12:20:40,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573552837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:40,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:40,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2024-11-09 12:20:40,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44219414] [2024-11-09 12:20:40,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:40,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 12:20:40,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:40,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 12:20:40,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2024-11-09 12:20:40,975 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand has 27 states, 24 states have (on average 4.708333333333333) internal successors, (113), 27 states have internal predecessors, (113), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 12:20:41,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:41,258 INFO L93 Difference]: Finished difference Result 92 states and 97 transitions. [2024-11-09 12:20:41,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:20:41,260 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 24 states have (on average 4.708333333333333) internal successors, (113), 27 states have internal predecessors, (113), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 76 [2024-11-09 12:20:41,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:41,261 INFO L225 Difference]: With dead ends: 92 [2024-11-09 12:20:41,261 INFO L226 Difference]: Without dead ends: 82 [2024-11-09 12:20:41,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=188, Invalid=1072, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 12:20:41,262 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 57 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:41,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 118 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:20:41,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-09 12:20:41,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-09 12:20:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 78 states have (on average 1.0128205128205128) internal successors, (79), 78 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2024-11-09 12:20:41,267 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 76 [2024-11-09 12:20:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:41,268 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2024-11-09 12:20:41,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 24 states have (on average 4.708333333333333) internal successors, (113), 27 states have internal predecessors, (113), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 12:20:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2024-11-09 12:20:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 12:20:41,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:41,269 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:41,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 12:20:41,473 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 [2024-11-09 12:20:41,474 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:41,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:41,474 INFO L85 PathProgramCache]: Analyzing trace with hash -348527984, now seen corresponding path program 2 times [2024-11-09 12:20:41,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:41,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703895578] [2024-11-09 12:20:41,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:41,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:41,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:41,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703895578] [2024-11-09 12:20:41,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703895578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:41,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897309528] [2024-11-09 12:20:41,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:20:41,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:41,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:41,636 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) [2024-11-09 12:20:41,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 12:20:41,747 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:20:41,747 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:20:41,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:20:41,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:41,837 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:41,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:42,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897309528] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:42,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:42,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-09 12:20:42,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320362163] [2024-11-09 12:20:42,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:42,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:20:42,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:42,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:20:42,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:20:42,003 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand has 24 states, 23 states have (on average 7.130434782608695) internal successors, (164), 24 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:42,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:42,152 INFO L93 Difference]: Finished difference Result 167 states and 173 transitions. [2024-11-09 12:20:42,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 12:20:42,152 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.130434782608695) internal successors, (164), 24 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2024-11-09 12:20:42,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:42,153 INFO L225 Difference]: With dead ends: 167 [2024-11-09 12:20:42,153 INFO L226 Difference]: Without dead ends: 166 [2024-11-09 12:20:42,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:20:42,154 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:42,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:42,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-09 12:20:42,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-09 12:20:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 162 states have (on average 1.0061728395061729) internal successors, (163), 162 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:20:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 167 transitions. [2024-11-09 12:20:42,180 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 167 transitions. Word has length 85 [2024-11-09 12:20:42,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:42,180 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 167 transitions. [2024-11-09 12:20:42,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.130434782608695) internal successors, (164), 24 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:20:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 167 transitions. [2024-11-09 12:20:42,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 12:20:42,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:42,182 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:42,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 12:20:42,382 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 [2024-11-09 12:20:42,383 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 12:20:42,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:42,383 INFO L85 PathProgramCache]: Analyzing trace with hash -151804524, now seen corresponding path program 3 times [2024-11-09 12:20:42,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:42,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809702457] [2024-11-09 12:20:42,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:42,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:42,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:20:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:42,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:20:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:20:42,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:42,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809702457] [2024-11-09 12:20:42,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809702457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:42,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454513315] [2024-11-09 12:20:42,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:20:42,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:42,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:42,888 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) [2024-11-09 12:20:42,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 12:20:42,996 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 12:20:42,997 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:20:42,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:20:43,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 3 proven. 120 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-11-09 12:20:43,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 3 proven. 120 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-11-09 12:20:43,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454513315] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:43,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:43,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 9, 9] total 34 [2024-11-09 12:20:43,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613290379] [2024-11-09 12:20:43,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:43,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-09 12:20:43,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:43,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-09 12:20:43,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 12:20:43,835 INFO L87 Difference]: Start difference. First operand 166 states and 167 transitions. Second operand has 35 states, 34 states have (on average 6.294117647058823) internal successors, (214), 33 states have internal predecessors, (214), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:20:44,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:44,454 INFO L93 Difference]: Finished difference Result 183 states and 185 transitions. [2024-11-09 12:20:44,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 12:20:44,456 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 6.294117647058823) internal successors, (214), 33 states have internal predecessors, (214), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 169 [2024-11-09 12:20:44,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:44,456 INFO L225 Difference]: With dead ends: 183 [2024-11-09 12:20:44,456 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 12:20:44,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 328 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=736, Invalid=2924, Unknown=0, NotChecked=0, Total=3660 [2024-11-09 12:20:44,458 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 347 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:44,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 124 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:20:44,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 12:20:44,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 12:20:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 12:20:44,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2024-11-09 12:20:44,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:44,460 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 12:20:44,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 6.294117647058823) internal successors, (214), 33 states have internal predecessors, (214), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:20:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 12:20:44,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 12:20:44,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-09 12:20:44,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-09 12:20:44,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-09 12:20:44,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-09 12:20:44,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-09 12:20:44,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-09 12:20:44,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-09 12:20:44,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-09 12:20:44,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-09 12:20:44,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-09 12:20:44,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-09 12:20:44,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-09 12:20:44,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-09 12:20:44,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 12:20:44,666 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 [2024-11-09 12:20:44,670 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:44,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 12:20:45,250 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 12:20:45,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:20:45 BoogieIcfgContainer [2024-11-09 12:20:45,287 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 12:20:45,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 12:20:45,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 12:20:45,288 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 12:20:45,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:20" (3/4) ... [2024-11-09 12:20:45,291 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 12:20:45,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 12:20:45,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 12:20:45,304 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-09 12:20:45,304 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 12:20:45,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 12:20:45,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 12:20:45,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 12:20:45,421 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 12:20:45,422 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 12:20:45,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 12:20:45,423 INFO L158 Benchmark]: Toolchain (without parser) took 25888.32ms. Allocated memory was 153.1MB in the beginning and 339.7MB in the end (delta: 186.6MB). Free memory was 115.6MB in the beginning and 182.9MB in the end (delta: -67.3MB). Peak memory consumption was 119.6MB. Max. memory is 16.1GB. [2024-11-09 12:20:45,423 INFO L158 Benchmark]: CDTParser took 2.10ms. Allocated memory is still 117.4MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:20:45,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.49ms. Allocated memory is still 153.1MB. Free memory was 115.6MB in the beginning and 102.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 12:20:45,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.48ms. Allocated memory is still 153.1MB. Free memory was 102.4MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:20:45,424 INFO L158 Benchmark]: Boogie Preprocessor took 52.36ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:20:45,424 INFO L158 Benchmark]: RCFGBuilder took 509.59ms. Allocated memory is still 153.1MB. Free memory was 98.2MB in the beginning and 79.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 12:20:45,424 INFO L158 Benchmark]: TraceAbstraction took 24814.93ms. Allocated memory was 153.1MB in the beginning and 339.7MB in the end (delta: 186.6MB). Free memory was 78.5MB in the beginning and 189.2MB in the end (delta: -110.7MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. [2024-11-09 12:20:45,427 INFO L158 Benchmark]: Witness Printer took 134.07ms. Allocated memory is still 339.7MB. Free memory was 189.2MB in the beginning and 182.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 12:20:45,428 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.10ms. Allocated memory is still 117.4MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.49ms. Allocated memory is still 153.1MB. Free memory was 115.6MB in the beginning and 102.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.48ms. Allocated memory is still 153.1MB. Free memory was 102.4MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.36ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.59ms. Allocated memory is still 153.1MB. Free memory was 98.2MB in the beginning and 79.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 24814.93ms. Allocated memory was 153.1MB in the beginning and 339.7MB in the end (delta: 186.6MB). Free memory was 78.5MB in the beginning and 189.2MB in the end (delta: -110.7MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. * Witness Printer took 134.07ms. Allocated memory is still 339.7MB. Free memory was 189.2MB in the beginning and 182.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 26, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1748 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1738 mSDsluCounter, 7118 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5898 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5966 IncrementalHoareTripleChecker+Invalid, 6014 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 1220 mSDtfsCounter, 5966 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2173 GetRequests, 1689 SyntacticMatches, 24 SemanticMatches, 460 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2837 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=25, InterpolantAutomatonStates: 292, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 140 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 2100 NumberOfCodeBlocks, 1974 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 2808 ConstructedInterpolants, 0 QuantifiedInterpolants, 12784 SizeOfPredicates, 61 NumberOfNonLiveVariables, 3059 ConjunctsInSsa, 214 ConjunctsInUnsatCore, 55 InterpolantComputations, 14 PerfectInterpolantSequences, 1857/3662 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((((((((((y == y) && (1 <= l)) && (((long long) l + y) <= n)) && (0 <= x)) && (x <= (((long long) 2147483647 + y) + n))) && (x == x)) && (((long long) l + x) <= 2147483647)) && (n <= 1073741823)) && (0 <= (y + 2147483648))) && (n == n)) || ((((((((((y == y) && (x <= 2147483647)) && (0 <= x)) && (x == x)) && (n <= 1073741823)) && (0 <= (y + 2147483648))) && (y <= 2147483647)) && (n == n)) && (l == 0)) && (0 <= (n + 2147483648)))) - ProcedureContractResult [Line: 5]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-09 12:20:45,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE