./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.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 befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:50:17,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:50:17,840 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:50:17,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:50:17,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:50:17,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:50:17,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:50:17,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:50:17,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:50:17,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:50:17,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:50:17,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:50:17,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:50:17,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:50:17,887 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:50:17,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:50:17,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:50:17,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:50:17,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:50:17,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:50:17,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:50:17,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:50:17,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:50:17,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:50:17,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:50:17,894 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:50:17,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:50:17,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:50:17,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:50:17,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:50:17,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:50:17,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:50:17,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:50:17,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:50:17,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:50:17,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:50:17,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:50:17,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:50:17,897 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:50:17,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:50:17,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:50:17,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:50:17,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:50:17,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:50:17,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2024-11-20 18:50:18,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:50:18,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:50:18,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:50:18,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:50:18,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:50:18,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-11-20 18:50:19,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:50:19,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:50:19,961 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-11-20 18:50:19,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebca9acce/63eb0c02be9e43d7a77f1560f972578e/FLAG40152a409 [2024-11-20 18:50:20,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebca9acce/63eb0c02be9e43d7a77f1560f972578e [2024-11-20 18:50:20,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:50:20,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:50:20,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:50:20,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:50:20,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:50:20,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aee1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20, skipping insertion in model container [2024-11-20 18:50:20,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:50:20,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:50:20,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:50:20,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:50:20,716 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:50:20,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20 WrapperNode [2024-11-20 18:50:20,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:50:20,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:50:20,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:50:20,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:50:20,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,767 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-20 18:50:20,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:50:20,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:50:20,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:50:20,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:50:20,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,782 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,805 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-20 18:50:20,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:50:20,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:50:20,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:50:20,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:50:20,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (1/1) ... [2024-11-20 18:50:20,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:50:20,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:20,866 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) [2024-11-20 18:50:20,873 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 [2024-11-20 18:50:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:50:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 18:50:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 18:50:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:50:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 18:50:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:50:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:50:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:50:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:50:20,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:50:20,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:50:21,174 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-20 18:50:21,174 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:50:21,187 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:50:21,188 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-20 18:50:21,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:50:21 BoogieIcfgContainer [2024-11-20 18:50:21,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:50:21,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:50:21,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:50:21,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:50:21,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:50:20" (1/3) ... [2024-11-20 18:50:21,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1453717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:50:21, skipping insertion in model container [2024-11-20 18:50:21,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:50:20" (2/3) ... [2024-11-20 18:50:21,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1453717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:50:21, skipping insertion in model container [2024-11-20 18:50:21,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:50:21" (3/3) ... [2024-11-20 18:50:21,198 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound5.c [2024-11-20 18:50:21,218 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:50:21,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 18:50:21,274 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:50:21,282 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;@3cdad795, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:50:21,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-20 18:50:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 18:50:21,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 18:50:21,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:21,298 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:21,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:21,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:21,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2022069469, now seen corresponding path program 1 times [2024-11-20 18:50:21,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:21,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427627767] [2024-11-20 18:50:21,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:21,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:21,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:21,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427627767] [2024-11-20 18:50:21,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427627767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:50:21,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:50:21,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:50:21,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078147981] [2024-11-20 18:50:21,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:50:21,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:50:21,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:21,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:50:21,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:50:21,535 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:50:21,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:21,554 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2024-11-20 18:50:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:50:21,556 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-20 18:50:21,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:21,562 INFO L225 Difference]: With dead ends: 90 [2024-11-20 18:50:21,562 INFO L226 Difference]: Without dead ends: 39 [2024-11-20 18:50:21,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:50:21,569 INFO L432 NwaCegarLoop]: 58 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, 58 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 [2024-11-20 18:50:21,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:50:21,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-20 18:50:21,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-20 18:50:21,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 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) [2024-11-20 18:50:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2024-11-20 18:50:21,615 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2024-11-20 18:50:21,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:21,615 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-11-20 18:50:21,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:50:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-20 18:50:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 18:50:21,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:21,617 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:21,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:50:21,618 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:21,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:21,619 INFO L85 PathProgramCache]: Analyzing trace with hash -2112941475, now seen corresponding path program 1 times [2024-11-20 18:50:21,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:21,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213985473] [2024-11-20 18:50:21,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:21,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:21,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:21,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213985473] [2024-11-20 18:50:21,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213985473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:50:21,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:50:21,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:50:21,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626880175] [2024-11-20 18:50:21,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:50:21,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:50:21,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:21,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:50:21,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:50:21,964 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:50:22,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:22,032 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-20 18:50:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:50:22,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-20 18:50:22,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:22,034 INFO L225 Difference]: With dead ends: 45 [2024-11-20 18:50:22,034 INFO L226 Difference]: Without dead ends: 43 [2024-11-20 18:50:22,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:50:22,036 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:22,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:50:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-20 18:50:22,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-20 18:50:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 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) [2024-11-20 18:50:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-20 18:50:22,054 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2024-11-20 18:50:22,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:22,055 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-20 18:50:22,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:50:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-20 18:50:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 18:50:22,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:22,057 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:22,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:50:22,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:22,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:22,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1804441474, now seen corresponding path program 1 times [2024-11-20 18:50:22,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:22,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319196411] [2024-11-20 18:50:22,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:22,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:22,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319196411] [2024-11-20 18:50:22,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319196411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:50:22,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:50:22,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 18:50:22,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511105129] [2024-11-20 18:50:22,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:50:22,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:50:22,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:22,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:50:22,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:50:22,335 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:50:22,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:22,505 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-11-20 18:50:22,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:50:22,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-20 18:50:22,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:22,509 INFO L225 Difference]: With dead ends: 62 [2024-11-20 18:50:22,509 INFO L226 Difference]: Without dead ends: 61 [2024-11-20 18:50:22,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:50:22,510 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:22,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 166 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:50:22,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-20 18:50:22,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2024-11-20 18:50:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 18:50:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-20 18:50:22,526 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 35 [2024-11-20 18:50:22,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:22,527 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-20 18:50:22,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:50:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-20 18:50:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-20 18:50:22,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:22,528 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:22,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:50:22,529 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:22,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:22,530 INFO L85 PathProgramCache]: Analyzing trace with hash -103110780, now seen corresponding path program 1 times [2024-11-20 18:50:22,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:22,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687079539] [2024-11-20 18:50:22,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:22,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:22,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:22,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687079539] [2024-11-20 18:50:22,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687079539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:50:22,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:50:22,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 18:50:22,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700389437] [2024-11-20 18:50:22,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:50:22,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:50:22,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:22,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:50:22,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:50:22,713 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:50:22,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:22,888 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2024-11-20 18:50:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:50:22,889 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-20 18:50:22,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:22,891 INFO L225 Difference]: With dead ends: 91 [2024-11-20 18:50:22,891 INFO L226 Difference]: Without dead ends: 63 [2024-11-20 18:50:22,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:50:22,894 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 17 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:22,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 187 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:50:22,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-20 18:50:22,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-20 18:50:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 18:50:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2024-11-20 18:50:22,903 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 36 [2024-11-20 18:50:22,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:22,904 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2024-11-20 18:50:22,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:50:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2024-11-20 18:50:22,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 18:50:22,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:22,905 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:22,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:50:22,906 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:22,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:22,907 INFO L85 PathProgramCache]: Analyzing trace with hash -948546387, now seen corresponding path program 1 times [2024-11-20 18:50:22,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:22,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100799754] [2024-11-20 18:50:22,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:22,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 18:50:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:23,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100799754] [2024-11-20 18:50:23,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100799754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:50:23,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:50:23,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 18:50:23,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477675929] [2024-11-20 18:50:23,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:50:23,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:50:23,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:23,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:50:23,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:50:23,203 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:50:23,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:23,489 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2024-11-20 18:50:23,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:50:23,493 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-11-20 18:50:23,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:23,494 INFO L225 Difference]: With dead ends: 81 [2024-11-20 18:50:23,494 INFO L226 Difference]: Without dead ends: 80 [2024-11-20 18:50:23,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:50:23,496 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 54 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:23,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 191 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:50:23,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-20 18:50:23,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2024-11-20 18:50:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:50:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2024-11-20 18:50:23,505 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 45 [2024-11-20 18:50:23,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:23,505 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2024-11-20 18:50:23,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:50:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2024-11-20 18:50:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-20 18:50:23,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:23,507 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:23,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:50:23,507 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:23,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:23,508 INFO L85 PathProgramCache]: Analyzing trace with hash 659833163, now seen corresponding path program 1 times [2024-11-20 18:50:23,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:23,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731140093] [2024-11-20 18:50:23,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:23,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 18:50:23,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:23,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731140093] [2024-11-20 18:50:23,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731140093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:50:23,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:50:23,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 18:50:23,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854018176] [2024-11-20 18:50:23,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:50:23,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:50:23,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:23,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:50:23,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:50:23,651 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:50:23,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:23,865 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2024-11-20 18:50:23,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:50:23,866 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2024-11-20 18:50:23,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:23,867 INFO L225 Difference]: With dead ends: 115 [2024-11-20 18:50:23,867 INFO L226 Difference]: Without dead ends: 87 [2024-11-20 18:50:23,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:50:23,872 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:23,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:50:23,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-20 18:50:23,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2024-11-20 18:50:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 18:50:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2024-11-20 18:50:23,890 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 46 [2024-11-20 18:50:23,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:23,891 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2024-11-20 18:50:23,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 18:50:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-20 18:50:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-20 18:50:23,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:23,894 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:23,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:50:23,895 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:23,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:23,897 INFO L85 PathProgramCache]: Analyzing trace with hash 659870899, now seen corresponding path program 1 times [2024-11-20 18:50:23,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:23,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116229291] [2024-11-20 18:50:23,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:23,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:24,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:24,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:24,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:24,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:24,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 18:50:24,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:24,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116229291] [2024-11-20 18:50:24,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116229291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:24,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726299257] [2024-11-20 18:50:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:24,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:24,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:24,063 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) [2024-11-20 18:50:24,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:50:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:24,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:50:24,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:24,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 18:50:24,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726299257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:24,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:24,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-20 18:50:24,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888822321] [2024-11-20 18:50:24,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:24,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-20 18:50:24,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:24,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-20 18:50:24,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:50:24,431 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-20 18:50:25,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:25,094 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2024-11-20 18:50:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-20 18:50:25,095 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 46 [2024-11-20 18:50:25,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:25,096 INFO L225 Difference]: With dead ends: 233 [2024-11-20 18:50:25,097 INFO L226 Difference]: Without dead ends: 195 [2024-11-20 18:50:25,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-11-20 18:50:25,099 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 106 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:25,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 258 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:50:25,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-20 18:50:25,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-11-20 18:50:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 125 states have (on average 1.272) internal successors, (159), 130 states have internal predecessors, (159), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-20 18:50:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2024-11-20 18:50:25,126 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 46 [2024-11-20 18:50:25,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:25,127 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2024-11-20 18:50:25,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-20 18:50:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2024-11-20 18:50:25,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-20 18:50:25,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:25,130 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:25,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:50:25,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:25,335 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:25,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:25,336 INFO L85 PathProgramCache]: Analyzing trace with hash 158655662, now seen corresponding path program 1 times [2024-11-20 18:50:25,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:25,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724145431] [2024-11-20 18:50:25,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:25,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:50:25,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:25,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724145431] [2024-11-20 18:50:25,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724145431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:50:25,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:50:25,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:50:25,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726041585] [2024-11-20 18:50:25,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:50:25,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:50:25,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:25,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:50:25,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:50:25,433 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 18:50:25,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:25,573 INFO L93 Difference]: Finished difference Result 270 states and 329 transitions. [2024-11-20 18:50:25,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:50:25,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2024-11-20 18:50:25,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:25,575 INFO L225 Difference]: With dead ends: 270 [2024-11-20 18:50:25,575 INFO L226 Difference]: Without dead ends: 205 [2024-11-20 18:50:25,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:50:25,576 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:25,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 173 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:50:25,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-20 18:50:25,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2024-11-20 18:50:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 141 states have (on average 1.2907801418439717) internal successors, (182), 146 states have internal predecessors, (182), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:50:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2024-11-20 18:50:25,592 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 55 [2024-11-20 18:50:25,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:25,592 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2024-11-20 18:50:25,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-20 18:50:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2024-11-20 18:50:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-20 18:50:25,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:25,594 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:25,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:50:25,594 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:25,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:25,595 INFO L85 PathProgramCache]: Analyzing trace with hash 623459560, now seen corresponding path program 1 times [2024-11-20 18:50:25,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:25,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504541036] [2024-11-20 18:50:25,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:25,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:50:25,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:25,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504541036] [2024-11-20 18:50:25,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504541036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:25,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131032920] [2024-11-20 18:50:25,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:25,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:25,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:25,809 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) [2024-11-20 18:50:25,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:50:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:25,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:50:25,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:26,007 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:50:26,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131032920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:26,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:26,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-20 18:50:26,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714453213] [2024-11-20 18:50:26,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:26,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-20 18:50:26,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:26,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-20 18:50:26,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-20 18:50:26,182 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-20 18:50:27,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:27,244 INFO L93 Difference]: Finished difference Result 379 states and 473 transitions. [2024-11-20 18:50:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-20 18:50:27,244 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 56 [2024-11-20 18:50:27,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:27,246 INFO L225 Difference]: With dead ends: 379 [2024-11-20 18:50:27,246 INFO L226 Difference]: Without dead ends: 296 [2024-11-20 18:50:27,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-11-20 18:50:27,249 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 161 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:27,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 318 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 18:50:27,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-20 18:50:27,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2024-11-20 18:50:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 18:50:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2024-11-20 18:50:27,270 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 56 [2024-11-20 18:50:27,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:27,270 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2024-11-20 18:50:27,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-20 18:50:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2024-11-20 18:50:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-20 18:50:27,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:27,272 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:27,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:50:27,472 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,SelfDestructingSolverStorable8 [2024-11-20 18:50:27,473 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:27,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1120569571, now seen corresponding path program 1 times [2024-11-20 18:50:27,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:27,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878446033] [2024-11-20 18:50:27,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:27,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:27,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:27,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:27,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:27,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:27,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:50:27,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:27,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878446033] [2024-11-20 18:50:27,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878446033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:27,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535591144] [2024-11-20 18:50:27,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:27,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:27,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:27,631 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) [2024-11-20 18:50:27,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:50:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:27,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:50:27,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:27,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:50:27,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535591144] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:27,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:27,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 17 [2024-11-20 18:50:27,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042375553] [2024-11-20 18:50:27,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:27,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 18:50:27,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:27,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 18:50:27,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:50:27,947 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-20 18:50:28,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:28,322 INFO L93 Difference]: Finished difference Result 425 states and 526 transitions. [2024-11-20 18:50:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 18:50:28,323 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 59 [2024-11-20 18:50:28,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:28,325 INFO L225 Difference]: With dead ends: 425 [2024-11-20 18:50:28,325 INFO L226 Difference]: Without dead ends: 286 [2024-11-20 18:50:28,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 121 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2024-11-20 18:50:28,330 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 58 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:28,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 308 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:50:28,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-20 18:50:28,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 281. [2024-11-20 18:50:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 222 states have (on average 1.2567567567567568) internal successors, (279), 227 states have internal predecessors, (279), 30 states have call successors, (30), 23 states have call predecessors, (30), 23 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-20 18:50:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 339 transitions. [2024-11-20 18:50:28,361 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 339 transitions. Word has length 59 [2024-11-20 18:50:28,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:28,362 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 339 transitions. [2024-11-20 18:50:28,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-20 18:50:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 339 transitions. [2024-11-20 18:50:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-20 18:50:28,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:28,367 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-20 18:50:28,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:50:28,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:28,568 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:28,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:28,569 INFO L85 PathProgramCache]: Analyzing trace with hash 756328881, now seen corresponding path program 1 times [2024-11-20 18:50:28,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:28,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867658028] [2024-11-20 18:50:28,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:28,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 18:50:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:50:28,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:28,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867658028] [2024-11-20 18:50:28,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867658028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:28,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345129712] [2024-11-20 18:50:28,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:28,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:28,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:28,781 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) [2024-11-20 18:50:28,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:50:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:28,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:50:28,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:29,026 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:50:29,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345129712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:50:29,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:50:29,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-20 18:50:29,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493129829] [2024-11-20 18:50:29,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:50:29,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:50:29,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:29,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:50:29,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:50:29,028 INFO L87 Difference]: Start difference. First operand 281 states and 339 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-20 18:50:29,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:29,350 INFO L93 Difference]: Finished difference Result 349 states and 421 transitions. [2024-11-20 18:50:29,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 18:50:29,350 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 65 [2024-11-20 18:50:29,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:29,352 INFO L225 Difference]: With dead ends: 349 [2024-11-20 18:50:29,352 INFO L226 Difference]: Without dead ends: 346 [2024-11-20 18:50:29,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2024-11-20 18:50:29,354 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 67 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:29,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 136 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:50:29,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-20 18:50:29,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 255. [2024-11-20 18:50:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 202 states have (on average 1.183168316831683) internal successors, (239), 205 states have internal predecessors, (239), 28 states have call successors, (28), 22 states have call predecessors, (28), 22 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-20 18:50:29,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 295 transitions. [2024-11-20 18:50:29,378 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 295 transitions. Word has length 65 [2024-11-20 18:50:29,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:29,378 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 295 transitions. [2024-11-20 18:50:29,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-20 18:50:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 295 transitions. [2024-11-20 18:50:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 18:50:29,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:29,380 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:29,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:50:29,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:29,584 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:29,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:29,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1971358877, now seen corresponding path program 1 times [2024-11-20 18:50:29,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:29,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004754824] [2024-11-20 18:50:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:29,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 18:50:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:50:29,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:29,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004754824] [2024-11-20 18:50:29,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004754824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:29,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931638472] [2024-11-20 18:50:29,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:29,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:29,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:29,785 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) [2024-11-20 18:50:29,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:50:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:29,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:50:29,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:30,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:50:30,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931638472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:30,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:30,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-11-20 18:50:30,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365217776] [2024-11-20 18:50:30,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:30,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-20 18:50:30,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:30,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-20 18:50:30,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-20 18:50:30,252 INFO L87 Difference]: Start difference. First operand 255 states and 295 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-20 18:50:31,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:31,377 INFO L93 Difference]: Finished difference Result 294 states and 342 transitions. [2024-11-20 18:50:31,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-20 18:50:31,378 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 66 [2024-11-20 18:50:31,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:31,383 INFO L225 Difference]: With dead ends: 294 [2024-11-20 18:50:31,384 INFO L226 Difference]: Without dead ends: 293 [2024-11-20 18:50:31,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2024-11-20 18:50:31,387 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 172 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:31,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 303 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 18:50:31,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-20 18:50:31,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 268. [2024-11-20 18:50:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 213 states have (on average 1.1784037558685445) internal successors, (251), 216 states have internal predecessors, (251), 29 states have call successors, (29), 23 states have call predecessors, (29), 23 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 18:50:31,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 309 transitions. [2024-11-20 18:50:31,411 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 309 transitions. Word has length 66 [2024-11-20 18:50:31,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:31,411 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 309 transitions. [2024-11-20 18:50:31,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-20 18:50:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 309 transitions. [2024-11-20 18:50:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-20 18:50:31,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:31,412 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:31,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:50:31,613 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,SelfDestructingSolverStorable11 [2024-11-20 18:50:31,613 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:31,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:31,614 INFO L85 PathProgramCache]: Analyzing trace with hash -711514622, now seen corresponding path program 1 times [2024-11-20 18:50:31,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:31,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636319943] [2024-11-20 18:50:31,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:31,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 18:50:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:50:31,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:31,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636319943] [2024-11-20 18:50:31,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636319943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:31,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943654914] [2024-11-20 18:50:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:31,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:31,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:31,862 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) [2024-11-20 18:50:31,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:50:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:31,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:50:31,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:32,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:50:32,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943654914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:32,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:32,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 15 [2024-11-20 18:50:32,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911928937] [2024-11-20 18:50:32,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:32,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 18:50:32,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:32,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 18:50:32,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:50:32,143 INFO L87 Difference]: Start difference. First operand 268 states and 309 transitions. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 6 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-20 18:50:32,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:32,444 INFO L93 Difference]: Finished difference Result 427 states and 497 transitions. [2024-11-20 18:50:32,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 18:50:32,445 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 6 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 70 [2024-11-20 18:50:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:32,448 INFO L225 Difference]: With dead ends: 427 [2024-11-20 18:50:32,448 INFO L226 Difference]: Without dead ends: 268 [2024-11-20 18:50:32,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 143 SyntacticMatches, 10 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-11-20 18:50:32,450 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 51 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:32,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 159 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:50:32,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-20 18:50:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2024-11-20 18:50:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 213 states have (on average 1.1737089201877935) internal successors, (250), 216 states have internal predecessors, (250), 29 states have call successors, (29), 23 states have call predecessors, (29), 23 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 18:50:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 308 transitions. [2024-11-20 18:50:32,474 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 308 transitions. Word has length 70 [2024-11-20 18:50:32,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:32,474 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 308 transitions. [2024-11-20 18:50:32,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 6 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-20 18:50:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 308 transitions. [2024-11-20 18:50:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-20 18:50:32,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:32,476 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:32,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:50:32,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:32,681 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:32,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:32,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1264054360, now seen corresponding path program 1 times [2024-11-20 18:50:32,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:32,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139836689] [2024-11-20 18:50:32,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:32,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 18:50:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:50:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:50:32,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:32,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139836689] [2024-11-20 18:50:32,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139836689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:32,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924097175] [2024-11-20 18:50:32,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:32,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:32,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:32,958 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) [2024-11-20 18:50:32,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:50:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:33,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:50:33,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:33,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:50:33,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924097175] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:33,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:33,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 35 [2024-11-20 18:50:33,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360184888] [2024-11-20 18:50:33,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:33,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-20 18:50:33,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:33,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-20 18:50:33,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=988, Unknown=0, NotChecked=0, Total=1260 [2024-11-20 18:50:33,488 INFO L87 Difference]: Start difference. First operand 268 states and 308 transitions. Second operand has 36 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 36 states have internal predecessors, (109), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-20 18:50:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:34,827 INFO L93 Difference]: Finished difference Result 456 states and 538 transitions. [2024-11-20 18:50:34,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-20 18:50:34,828 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 36 states have internal predecessors, (109), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) Word has length 76 [2024-11-20 18:50:34,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:34,830 INFO L225 Difference]: With dead ends: 456 [2024-11-20 18:50:34,830 INFO L226 Difference]: Without dead ends: 454 [2024-11-20 18:50:34,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1283, Invalid=4723, Unknown=0, NotChecked=0, Total=6006 [2024-11-20 18:50:34,834 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 288 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:34,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 459 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 18:50:34,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-20 18:50:34,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 387. [2024-11-20 18:50:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 308 states have (on average 1.1948051948051948) internal successors, (368), 311 states have internal predecessors, (368), 41 states have call successors, (41), 35 states have call predecessors, (41), 35 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-20 18:50:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 450 transitions. [2024-11-20 18:50:34,866 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 450 transitions. Word has length 76 [2024-11-20 18:50:34,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:34,867 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 450 transitions. [2024-11-20 18:50:34,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 36 states have internal predecessors, (109), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-20 18:50:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 450 transitions. [2024-11-20 18:50:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-20 18:50:34,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:34,869 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:34,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 18:50:35,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:35,073 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:35,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:35,073 INFO L85 PathProgramCache]: Analyzing trace with hash 48366921, now seen corresponding path program 1 times [2024-11-20 18:50:35,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:35,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76052337] [2024-11-20 18:50:35,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:35,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 18:50:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:50:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:50:35,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:35,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76052337] [2024-11-20 18:50:35,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76052337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:35,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955071975] [2024-11-20 18:50:35,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:35,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:35,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:35,378 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) [2024-11-20 18:50:35,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:50:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:35,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:50:35,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 76 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:50:35,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:50:35,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955071975] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:35,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:35,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 40 [2024-11-20 18:50:35,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132310541] [2024-11-20 18:50:35,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:35,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-20 18:50:35,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:35,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-20 18:50:35,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=1315, Unknown=0, NotChecked=0, Total=1640 [2024-11-20 18:50:35,937 INFO L87 Difference]: Start difference. First operand 387 states and 450 transitions. Second operand has 41 states, 40 states have (on average 3.025) internal successors, (121), 41 states have internal predecessors, (121), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-20 18:50:37,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:37,624 INFO L93 Difference]: Finished difference Result 497 states and 575 transitions. [2024-11-20 18:50:37,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-20 18:50:37,625 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.025) internal successors, (121), 41 states have internal predecessors, (121), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) Word has length 80 [2024-11-20 18:50:37,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:37,627 INFO L225 Difference]: With dead ends: 497 [2024-11-20 18:50:37,628 INFO L226 Difference]: Without dead ends: 496 [2024-11-20 18:50:37,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1691 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1498, Invalid=6158, Unknown=0, NotChecked=0, Total=7656 [2024-11-20 18:50:37,633 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 272 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:37,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 506 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 18:50:37,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-20 18:50:37,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 345. [2024-11-20 18:50:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 274 states have (on average 1.1934306569343065) internal successors, (327), 277 states have internal predecessors, (327), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-20 18:50:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 401 transitions. [2024-11-20 18:50:37,658 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 401 transitions. Word has length 80 [2024-11-20 18:50:37,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:37,659 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 401 transitions. [2024-11-20 18:50:37,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.025) internal successors, (121), 41 states have internal predecessors, (121), 16 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (23), 16 states have call predecessors, (23), 16 states have call successors, (23) [2024-11-20 18:50:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 401 transitions. [2024-11-20 18:50:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 18:50:37,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:37,661 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:37,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 18:50:37,865 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,SelfDestructingSolverStorable14 [2024-11-20 18:50:37,866 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:37,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:37,866 INFO L85 PathProgramCache]: Analyzing trace with hash 193466798, now seen corresponding path program 1 times [2024-11-20 18:50:37,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:37,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056188047] [2024-11-20 18:50:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:37,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 18:50:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:50:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 18:50:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:50:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-20 18:50:38,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:38,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056188047] [2024-11-20 18:50:38,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056188047] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:38,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686180350] [2024-11-20 18:50:38,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:38,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:38,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:38,158 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) [2024-11-20 18:50:38,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:50:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:38,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:50:38,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-20 18:50:38,332 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-20 18:50:38,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686180350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:38,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:38,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 17 [2024-11-20 18:50:38,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573577365] [2024-11-20 18:50:38,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:38,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 18:50:38,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:38,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 18:50:38,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:50:38,491 INFO L87 Difference]: Start difference. First operand 345 states and 401 transitions. Second operand has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-20 18:50:39,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:39,112 INFO L93 Difference]: Finished difference Result 769 states and 900 transitions. [2024-11-20 18:50:39,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 18:50:39,113 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 96 [2024-11-20 18:50:39,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:39,115 INFO L225 Difference]: With dead ends: 769 [2024-11-20 18:50:39,115 INFO L226 Difference]: Without dead ends: 553 [2024-11-20 18:50:39,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 200 SyntacticMatches, 11 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2024-11-20 18:50:39,117 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 63 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:39,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 534 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:50:39,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-20 18:50:39,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 516. [2024-11-20 18:50:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 413 states have (on average 1.2130750605326877) internal successors, (501), 416 states have internal predecessors, (501), 53 states have call successors, (53), 47 states have call predecessors, (53), 47 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-20 18:50:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 607 transitions. [2024-11-20 18:50:39,152 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 607 transitions. Word has length 96 [2024-11-20 18:50:39,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:39,152 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 607 transitions. [2024-11-20 18:50:39,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 8 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-20 18:50:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 607 transitions. [2024-11-20 18:50:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 18:50:39,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:39,154 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:39,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 18:50:39,358 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,SelfDestructingSolverStorable15 [2024-11-20 18:50:39,359 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:39,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:39,359 INFO L85 PathProgramCache]: Analyzing trace with hash 573869931, now seen corresponding path program 1 times [2024-11-20 18:50:39,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:39,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496592316] [2024-11-20 18:50:39,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:39,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 18:50:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:50:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 18:50:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 18:50:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-20 18:50:39,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:39,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496592316] [2024-11-20 18:50:39,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496592316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:50:39,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:50:39,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:50:39,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511683834] [2024-11-20 18:50:39,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:50:39,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:50:39,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:39,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:50:39,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:50:39,444 INFO L87 Difference]: Start difference. First operand 516 states and 607 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:50:39,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:39,508 INFO L93 Difference]: Finished difference Result 932 states and 1104 transitions. [2024-11-20 18:50:39,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:50:39,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 100 [2024-11-20 18:50:39,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:39,514 INFO L225 Difference]: With dead ends: 932 [2024-11-20 18:50:39,514 INFO L226 Difference]: Without dead ends: 559 [2024-11-20 18:50:39,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:50:39,524 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 7 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:39,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 156 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:50:39,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-20 18:50:39,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 522. [2024-11-20 18:50:39,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 420 states have (on average 1.207142857142857) internal successors, (507), 423 states have internal predecessors, (507), 52 states have call successors, (52), 47 states have call predecessors, (52), 47 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 18:50:39,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 611 transitions. [2024-11-20 18:50:39,561 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 611 transitions. Word has length 100 [2024-11-20 18:50:39,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:39,562 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 611 transitions. [2024-11-20 18:50:39,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:50:39,562 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 611 transitions. [2024-11-20 18:50:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-20 18:50:39,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:39,567 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:39,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 18:50:39,567 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:39,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:39,568 INFO L85 PathProgramCache]: Analyzing trace with hash 726827833, now seen corresponding path program 2 times [2024-11-20 18:50:39,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:39,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411050510] [2024-11-20 18:50:39,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 18:50:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:50:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 18:50:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:50:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 18:50:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-20 18:50:39,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:39,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411050510] [2024-11-20 18:50:39,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411050510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:39,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163249936] [2024-11-20 18:50:39,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:50:39,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:39,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:39,720 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) [2024-11-20 18:50:39,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:50:39,786 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:50:39,786 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:50:39,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:50:39,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 189 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-20 18:50:39,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 89 proven. 3 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-20 18:50:40,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163249936] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:40,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:40,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 14] total 19 [2024-11-20 18:50:40,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532449671] [2024-11-20 18:50:40,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:40,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-20 18:50:40,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:40,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-20 18:50:40,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:50:40,165 INFO L87 Difference]: Start difference. First operand 522 states and 611 transitions. Second operand has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 10 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-20 18:50:40,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:40,880 INFO L93 Difference]: Finished difference Result 827 states and 966 transitions. [2024-11-20 18:50:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-20 18:50:40,881 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 10 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 106 [2024-11-20 18:50:40,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:40,884 INFO L225 Difference]: With dead ends: 827 [2024-11-20 18:50:40,884 INFO L226 Difference]: Without dead ends: 605 [2024-11-20 18:50:40,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 215 SyntacticMatches, 11 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=377, Invalid=1429, Unknown=0, NotChecked=0, Total=1806 [2024-11-20 18:50:40,886 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 106 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:40,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 461 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:50:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-20 18:50:40,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 527. [2024-11-20 18:50:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 427 states have (on average 1.1967213114754098) internal successors, (511), 430 states have internal predecessors, (511), 51 states have call successors, (51), 46 states have call predecessors, (51), 46 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 18:50:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 613 transitions. [2024-11-20 18:50:40,919 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 613 transitions. Word has length 106 [2024-11-20 18:50:40,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:40,920 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 613 transitions. [2024-11-20 18:50:40,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 10 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-20 18:50:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 613 transitions. [2024-11-20 18:50:40,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-20 18:50:40,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:50:40,922 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2024-11-20 18:50:40,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 18:50:41,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-20 18:50:41,123 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:50:41,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:50:41,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1283472370, now seen corresponding path program 1 times [2024-11-20 18:50:41,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:50:41,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669859853] [2024-11-20 18:50:41,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:41,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:50:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:50:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:50:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 18:50:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:50:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:50:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 18:50:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 18:50:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 18:50:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:50:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 18:50:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:50:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 18:50:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-20 18:50:41,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:50:41,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669859853] [2024-11-20 18:50:41,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669859853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:50:41,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788010571] [2024-11-20 18:50:41,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:50:41,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:41,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:50:41,257 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) [2024-11-20 18:50:41,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:50:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:50:41,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:50:41,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:50:41,498 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 159 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-20 18:50:41,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:50:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 59 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-20 18:50:41,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788010571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:50:41,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:50:41,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 14] total 19 [2024-11-20 18:50:41,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462863900] [2024-11-20 18:50:41,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:50:41,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-20 18:50:41,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:50:41,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-20 18:50:41,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:50:41,667 INFO L87 Difference]: Start difference. First operand 527 states and 613 transitions. Second operand has 19 states, 19 states have (on average 5.157894736842105) internal successors, (98), 19 states have internal predecessors, (98), 9 states have call successors, (30), 8 states have call predecessors, (30), 8 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-20 18:50:42,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:50:42,768 INFO L93 Difference]: Finished difference Result 1022 states and 1177 transitions. [2024-11-20 18:50:42,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-20 18:50:42,769 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.157894736842105) internal successors, (98), 19 states have internal predecessors, (98), 9 states have call successors, (30), 8 states have call predecessors, (30), 8 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110 [2024-11-20 18:50:42,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:50:42,770 INFO L225 Difference]: With dead ends: 1022 [2024-11-20 18:50:42,770 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 18:50:42,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 224 SyntacticMatches, 11 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=701, Invalid=3331, Unknown=0, NotChecked=0, Total=4032 [2024-11-20 18:50:42,773 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 133 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:50:42,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 577 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 18:50:42,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 18:50:42,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 18:50:42,775 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) [2024-11-20 18:50:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 18:50:42,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2024-11-20 18:50:42,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:50:42,776 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 18:50:42,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.157894736842105) internal successors, (98), 19 states have internal predecessors, (98), 9 states have call successors, (30), 8 states have call predecessors, (30), 8 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-20 18:50:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 18:50:42,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 18:50:42,780 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-20 18:50:42,780 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-20 18:50:42,780 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-20 18:50:42,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-20 18:50:42,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-20 18:50:42,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-20 18:50:42,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-20 18:50:42,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:50:42,986 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:50:42,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 18:50:45,303 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 18:50:45,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:50:45 BoogieIcfgContainer [2024-11-20 18:50:45,343 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 18:50:45,344 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 18:50:45,344 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 18:50:45,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 18:50:45,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:50:21" (3/4) ... [2024-11-20 18:50:45,348 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 18:50:45,351 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-20 18:50:45,352 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-20 18:50:45,357 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-20 18:50:45,357 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-20 18:50:45,357 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 18:50:45,357 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 18:50:45,357 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 18:50:45,453 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 18:50:45,453 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 18:50:45,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 18:50:45,454 INFO L158 Benchmark]: Toolchain (without parser) took 25086.32ms. Allocated memory was 130.0MB in the beginning and 293.6MB in the end (delta: 163.6MB). Free memory was 59.4MB in the beginning and 206.5MB in the end (delta: -147.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-20 18:50:45,454 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 130.0MB. Free memory was 89.3MB in the beginning and 89.0MB in the end (delta: 283.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 18:50:45,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.63ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 59.2MB in the beginning and 138.3MB in the end (delta: -79.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-20 18:50:45,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.18ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 138.1MB in the end (delta: 145.2kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 18:50:45,455 INFO L158 Benchmark]: Boogie Preprocessor took 59.01ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 18:50:45,455 INFO L158 Benchmark]: RCFGBuilder took 359.60ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 122.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 18:50:45,455 INFO L158 Benchmark]: TraceAbstraction took 24152.74ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 121.3MB in the beginning and 211.8MB in the end (delta: -90.5MB). Peak memory consumption was 131.8MB. Max. memory is 16.1GB. [2024-11-20 18:50:45,456 INFO L158 Benchmark]: Witness Printer took 109.84ms. Allocated memory is still 293.6MB. Free memory was 210.7MB in the beginning and 206.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 18:50:45,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 130.0MB. Free memory was 89.3MB in the beginning and 89.0MB in the end (delta: 283.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.63ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 59.2MB in the beginning and 138.3MB in the end (delta: -79.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.18ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 138.1MB in the end (delta: 145.2kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.01ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.60ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 122.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24152.74ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 121.3MB in the beginning and 211.8MB in the end (delta: -90.5MB). Peak memory consumption was 131.8MB. Max. memory is 16.1GB. * Witness Printer took 109.84ms. Allocated memory is still 293.6MB. Free memory was 210.7MB in the beginning and 206.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: 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, 47 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 19, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1663 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1659 mSDsluCounter, 5248 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4428 mSDsCounter, 227 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4363 IncrementalHoareTripleChecker+Invalid, 4590 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 227 mSolverCounterUnsat, 820 mSDtfsCounter, 4363 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2309 GetRequests, 1711 SyntacticMatches, 47 SemanticMatches, 551 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6822 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=18, InterpolantAutomatonStates: 447, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 596 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 2027 NumberOfCodeBlocks, 2027 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2752 ConstructedInterpolants, 0 QuantifiedInterpolants, 5570 SizeOfPredicates, 92 NumberOfNonLiveVariables, 1997 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 40 InterpolantComputations, 9 PerfectInterpolantSequences, 3136/3687 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 6 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: ((((counter < 9) && (3 <= counter)) || ((6 <= counter) && (counter <= 2147483645))) || (((2 <= counter) && (counter <= 6)) && (((long long) x + 1) <= y))) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((counter <= 2147483646) && (3 <= counter)) || (counter == 0)) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((((counter <= 9) && (5 <= counter)) || ((y != x) && (counter == 1))) || ((2 <= counter) && (counter <= 6))) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: ((counter == 0) && (counter == \old(counter))) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-20 18:50:45,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE