./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash de7b6b08db65388ab09a4594226fbc2a49bc8d65ecd2b95d922fabd4f3caf1d7 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:23:37,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:23:37,950 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 11:23:37,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:23:37,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:23:37,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:23:37,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:23:37,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:23:37,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:23:37,994 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:23:37,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:23:37,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:23:37,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:23:37,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:23:37,998 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:23:37,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:23:37,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:23:37,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:23:37,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:23:37,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:23:37,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:23:38,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:23:38,002 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:23:38,002 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:23:38,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:23:38,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:23:38,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:23:38,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:23:38,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:23:38,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:23:38,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:23:38,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:23:38,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:23:38,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:23:38,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:23:38,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:23:38,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:23:38,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:23:38,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:23:38,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:23:38,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:23:38,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de7b6b08db65388ab09a4594226fbc2a49bc8d65ecd2b95d922fabd4f3caf1d7 [2024-11-09 11:23:38,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:23:38,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:23:38,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:23:38,308 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:23:38,308 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:23:38,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg-alloca-1.i [2024-11-09 11:23:39,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:23:39,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:23:39,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg-alloca-1.i [2024-11-09 11:23:39,958 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5494e9d65/2550acf04ec44d1e9dbe052e56a475a9/FLAG58bfbcf83 [2024-11-09 11:23:40,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5494e9d65/2550acf04ec44d1e9dbe052e56a475a9 [2024-11-09 11:23:40,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:23:40,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:23:40,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:23:40,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:23:40,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:23:40,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1ba070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40, skipping insertion in model container [2024-11-09 11:23:40,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:23:40,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:23:40,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:23:40,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:23:40,748 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:23:40,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40 WrapperNode [2024-11-09 11:23:40,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:23:40,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:23:40,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:23:40,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:23:40,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,789 INFO L138 Inliner]: procedures = 115, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-09 11:23:40,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:23:40,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:23:40,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:23:40,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:23:40,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,822 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 4 writes are split as follows [4]. [2024-11-09 11:23:40,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:23:40,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:23:40,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:23:40,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:23:40,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (1/1) ... [2024-11-09 11:23:40,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:23:40,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:23:40,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:23:40,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:23:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 11:23:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 11:23:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 11:23:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure new_lseg [2024-11-09 11:23:40,911 INFO L138 BoogieDeclarations]: Found implementation of procedure new_lseg [2024-11-09 11:23:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:23:40,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:23:40,994 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:23:40,995 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:23:41,162 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 11:23:41,162 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:23:41,173 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:23:41,174 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 11:23:41,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:23:41 BoogieIcfgContainer [2024-11-09 11:23:41,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:23:41,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:23:41,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:23:41,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:23:41,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:23:40" (1/3) ... [2024-11-09 11:23:41,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651d5074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:23:41, skipping insertion in model container [2024-11-09 11:23:41,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:23:40" (2/3) ... [2024-11-09 11:23:41,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651d5074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:23:41, skipping insertion in model container [2024-11-09 11:23:41,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:23:41" (3/3) ... [2024-11-09 11:23:41,184 INFO L112 eAbstractionObserver]: Analyzing ICFG cll_by_lseg-alloca-1.i [2024-11-09 11:23:41,201 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:23:41,201 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 11:23:41,253 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:23:41,258 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;@7aa290ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:23:41,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 11:23:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:23:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 11:23:41,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:23:41,267 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 11:23:41,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:23:41,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:23:41,274 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-09 11:23:41,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:23:41,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298395526] [2024-11-09 11:23:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:23:41,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:23:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:23:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:41,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:23:41,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298395526] [2024-11-09 11:23:41,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298395526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:23:41,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:23:41,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:23:41,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531241479] [2024-11-09 11:23:41,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:23:41,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:23:41,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:23:41,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:23:41,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:23:41,558 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:41,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:23:41,585 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-09 11:23:41,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:23:41,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 11:23:41,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:23:41,594 INFO L225 Difference]: With dead ends: 22 [2024-11-09 11:23:41,594 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 11:23:41,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:23:41,600 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:23:41,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 34 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:23:41,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 11:23:41,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 11:23:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:41,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 11:23:41,633 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 3 [2024-11-09 11:23:41,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:23:41,634 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-09 11:23:41,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:41,634 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 11:23:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:23:41,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:23:41,635 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:23:41,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:23:41,636 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:23:41,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:23:41,638 INFO L85 PathProgramCache]: Analyzing trace with hash 88399226, now seen corresponding path program 1 times [2024-11-09 11:23:41,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:23:41,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390971076] [2024-11-09 11:23:41,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:23:41,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:23:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:23:41,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:41,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:23:41,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390971076] [2024-11-09 11:23:41,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390971076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:23:41,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:23:41,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:23:41,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762057281] [2024-11-09 11:23:41,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:23:41,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:23:41,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:23:41,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:23:41,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:23:41,850 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:41,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:23:41,912 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2024-11-09 11:23:41,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:23:41,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:23:41,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:23:41,914 INFO L225 Difference]: With dead ends: 19 [2024-11-09 11:23:41,914 INFO L226 Difference]: Without dead ends: 18 [2024-11-09 11:23:41,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:23:41,915 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:23:41,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 18 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:23:41,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-09 11:23:41,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2024-11-09 11:23:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-09 11:23:41,923 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-11-09 11:23:41,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:23:41,923 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-09 11:23:41,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:41,924 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-09 11:23:41,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:23:41,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:23:41,925 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:23:41,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:23:41,925 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting new_lsegErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:23:41,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:23:41,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1554591238, now seen corresponding path program 1 times [2024-11-09 11:23:41,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:23:41,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358762752] [2024-11-09 11:23:41,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:23:41,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:23:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:23:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:42,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:23:42,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358762752] [2024-11-09 11:23:42,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358762752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:23:42,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:23:42,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:23:42,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132562534] [2024-11-09 11:23:42,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:23:42,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:23:42,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:23:42,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:23:42,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:23:42,052 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:42,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:23:42,087 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-09 11:23:42,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:23:42,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 11:23:42,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:23:42,089 INFO L225 Difference]: With dead ends: 15 [2024-11-09 11:23:42,089 INFO L226 Difference]: Without dead ends: 14 [2024-11-09 11:23:42,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:23:42,091 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:23:42,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 11 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:23:42,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-09 11:23:42,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 11:23:42,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:42,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-09 11:23:42,096 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 9 [2024-11-09 11:23:42,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:23:42,096 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-09 11:23:42,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:42,096 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-09 11:23:42,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:23:42,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:23:42,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:23:42,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:23:42,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:23:42,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:23:42,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1755034194, now seen corresponding path program 1 times [2024-11-09 11:23:42,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:23:42,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423272362] [2024-11-09 11:23:42,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:23:42,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:23:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:23:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:42,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:23:42,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423272362] [2024-11-09 11:23:42,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423272362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:23:42,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158602966] [2024-11-09 11:23:42,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:23:42,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:23:42,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:23:42,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:23:42,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:23:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:23:42,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:23:42,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:23:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:42,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:23:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:42,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158602966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:23:42,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:23:42,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-09 11:23:42,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451033946] [2024-11-09 11:23:42,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:23:42,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:23:42,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:23:42,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:23:42,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:23:42,587 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 9 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:42,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:23:42,705 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2024-11-09 11:23:42,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:23:42,706 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 9 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-09 11:23:42,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:23:42,707 INFO L225 Difference]: With dead ends: 32 [2024-11-09 11:23:42,708 INFO L226 Difference]: Without dead ends: 31 [2024-11-09 11:23:42,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:23:42,710 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 25 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:23:42,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 28 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:23:42,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-09 11:23:42,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2024-11-09 11:23:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2024-11-09 11:23:42,720 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 13 [2024-11-09 11:23:42,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:23:42,721 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2024-11-09 11:23:42,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 9 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2024-11-09 11:23:42,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:23:42,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:23:42,722 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2024-11-09 11:23:42,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:23:42,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:23:42,927 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:23:42,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:23:42,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1428013446, now seen corresponding path program 2 times [2024-11-09 11:23:42,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:23:42,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170215844] [2024-11-09 11:23:42,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:23:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:23:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:23:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:43,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:23:43,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170215844] [2024-11-09 11:23:43,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170215844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:23:43,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895686080] [2024-11-09 11:23:43,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:23:43,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:23:43,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:23:43,266 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:23:43,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:23:43,398 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:23:43,398 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:23:43,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:23:43,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:23:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:43,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:23:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:43,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895686080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:23:43,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:23:43,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-11-09 11:23:43,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749051667] [2024-11-09 11:23:43,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:23:43,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 11:23:43,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:23:43,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 11:23:43,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:23:43,722 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand has 25 states, 24 states have (on average 2.0) internal successors, (48), 15 states have internal predecessors, (48), 11 states have call successors, (11), 10 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:43,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:23:43,997 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2024-11-09 11:23:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 11:23:43,997 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.0) internal successors, (48), 15 states have internal predecessors, (48), 11 states have call successors, (11), 10 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-09 11:23:43,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:23:43,999 INFO L225 Difference]: With dead ends: 62 [2024-11-09 11:23:43,999 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 11:23:44,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=315, Invalid=875, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 11:23:44,000 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 133 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:23:44,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 28 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:23:44,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 11:23:44,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2024-11-09 11:23:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2024-11-09 11:23:44,010 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 28 [2024-11-09 11:23:44,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:23:44,010 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2024-11-09 11:23:44,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.0) internal successors, (48), 15 states have internal predecessors, (48), 11 states have call successors, (11), 10 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2024-11-09 11:23:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 11:23:44,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:23:44,012 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2024-11-09 11:23:44,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:23:44,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:23:44,213 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:23:44,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:23:44,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1912823814, now seen corresponding path program 3 times [2024-11-09 11:23:44,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:23:44,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554543790] [2024-11-09 11:23:44,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:23:44,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:23:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:23:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:44,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:23:44,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554543790] [2024-11-09 11:23:44,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554543790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:23:44,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481733579] [2024-11-09 11:23:44,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:23:44,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:23:44,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:23:44,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:23:44,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:23:46,565 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-09 11:23:46,565 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:23:46,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 11:23:46,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:23:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:46,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:23:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:47,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481733579] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:23:47,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:23:47,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2024-11-09 11:23:47,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485910843] [2024-11-09 11:23:47,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:23:47,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-09 11:23:47,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:23:47,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-09 11:23:47,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=560, Invalid=1792, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 11:23:47,373 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand has 49 states, 48 states have (on average 2.0) internal successors, (96), 27 states have internal predecessors, (96), 23 states have call successors, (23), 22 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:48,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:23:48,046 INFO L93 Difference]: Finished difference Result 122 states and 133 transitions. [2024-11-09 11:23:48,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-09 11:23:48,047 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 2.0) internal successors, (96), 27 states have internal predecessors, (96), 23 states have call successors, (23), 22 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-09 11:23:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:23:48,048 INFO L225 Difference]: With dead ends: 122 [2024-11-09 11:23:48,048 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 11:23:48,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1341, Invalid=3629, Unknown=0, NotChecked=0, Total=4970 [2024-11-09 11:23:48,052 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 325 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:23:48,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 40 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:23:48,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 11:23:48,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-11-09 11:23:48,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 95 states have (on average 1.0105263157894737) internal successors, (96), 95 states have internal predecessors, (96), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2024-11-09 11:23:48,076 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 58 [2024-11-09 11:23:48,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:23:48,076 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2024-11-09 11:23:48,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 2.0) internal successors, (96), 27 states have internal predecessors, (96), 23 states have call successors, (23), 22 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2024-11-09 11:23:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 11:23:48,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:23:48,080 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2024-11-09 11:23:48,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:23:48,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:23:48,282 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:23:48,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:23:48,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1399422214, now seen corresponding path program 4 times [2024-11-09 11:23:48,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:23:48,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313793718] [2024-11-09 11:23:48,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:23:48,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:23:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:23:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:50,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:23:50,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313793718] [2024-11-09 11:23:50,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313793718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:23:50,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516415817] [2024-11-09 11:23:50,444 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:23:50,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:23:50,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:23:50,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:23:50,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:23:50,716 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:23:50,716 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:23:50,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-09 11:23:50,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:23:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:50,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:23:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:23:53,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516415817] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:23:53,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:23:53,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 96 [2024-11-09 11:23:53,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49962344] [2024-11-09 11:23:53,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:23:53,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-11-09 11:23:53,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:23:53,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-11-09 11:23:53,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2264, Invalid=7048, Unknown=0, NotChecked=0, Total=9312 [2024-11-09 11:23:53,012 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand has 97 states, 96 states have (on average 2.0) internal successors, (192), 51 states have internal predecessors, (192), 47 states have call successors, (47), 46 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:54,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:23:54,885 INFO L93 Difference]: Finished difference Result 242 states and 265 transitions. [2024-11-09 11:23:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-09 11:23:54,885 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 96 states have (on average 2.0) internal successors, (192), 51 states have internal predecessors, (192), 47 states have call successors, (47), 46 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-11-09 11:23:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:23:54,887 INFO L225 Difference]: With dead ends: 242 [2024-11-09 11:23:54,888 INFO L226 Difference]: Without dead ends: 241 [2024-11-09 11:23:54,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4230 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=5553, Invalid=14753, Unknown=0, NotChecked=0, Total=20306 [2024-11-09 11:23:54,893 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 669 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:23:54,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 28 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:23:54,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-09 11:23:54,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239. [2024-11-09 11:23:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 191 states have (on average 1.0052356020942408) internal successors, (192), 191 states have internal predecessors, (192), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2024-11-09 11:23:54,920 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 118 [2024-11-09 11:23:54,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:23:54,921 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2024-11-09 11:23:54,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 96 states have (on average 2.0) internal successors, (192), 51 states have internal predecessors, (192), 47 states have call successors, (47), 46 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:23:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2024-11-09 11:23:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-09 11:23:54,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:23:54,925 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1, 1, 1, 1] [2024-11-09 11:23:54,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:23:55,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:23:55,126 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, new_lsegErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 11:23:55,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:23:55,127 INFO L85 PathProgramCache]: Analyzing trace with hash -268515078, now seen corresponding path program 5 times [2024-11-09 11:23:55,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:23:55,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320974467] [2024-11-09 11:23:55,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:23:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:23:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:01,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:01,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:01,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320974467] [2024-11-09 11:24:01,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320974467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:01,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138324372] [2024-11-09 11:24:01,065 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:24:01,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:01,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:01,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:01,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process