./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/recursive-simple/id_i20_o20-1.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 c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:49:27,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:49:27,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:49:27,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:49:27,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:49:27,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:49:27,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:49:27,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:49:27,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:49:27,527 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:49:27,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:49:27,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:49:27,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:49:27,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:49:27,533 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:49:27,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:49:27,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:49:27,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:49:27,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:49:27,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:49:27,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:49:27,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:49:27,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:49:27,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:49:27,536 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:49:27,536 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:49:27,536 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:49:27,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:49:27,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:49:27,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:49:27,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:49:27,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:49:27,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:49:27,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:49:27,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:49:27,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:49:27,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:49:27,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:49:27,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:49:27,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:49:27,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:49:27,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:49:27,540 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:49:27,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:49:27,541 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 [2024-11-12 17:49:27,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:49:27,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:49:27,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:49:27,824 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:49:27,825 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:49:27,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-11-12 17:49:29,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:49:29,450 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:49:29,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-11-12 17:49:29,460 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b6d6985/cdb935c8f6164ad1b2e740f3f7adba8d/FLAG23a8a666b [2024-11-12 17:49:29,478 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b6d6985/cdb935c8f6164ad1b2e740f3f7adba8d [2024-11-12 17:49:29,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:49:29,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:49:29,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:49:29,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:49:29,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:49:29,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e99dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29, skipping insertion in model container [2024-11-12 17:49:29,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:49:29,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:49:29,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:49:29,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:49:29,814 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:49:29,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29 WrapperNode [2024-11-12 17:49:29,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:49:29,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:49:29,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:49:29,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:49:29,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,842 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-11-12 17:49:29,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:49:29,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:49:29,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:49:29,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:49:29,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,854 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,867 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 17:49:29,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:49:29,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:49:29,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:49:29,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:49:29,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (1/1) ... [2024-11-12 17:49:29,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:49:29,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:29,905 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) [2024-11-12 17:49:29,907 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 [2024-11-12 17:49:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:49:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:49:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:49:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:49:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-12 17:49:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-12 17:49:30,001 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:49:30,003 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:49:30,145 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-12 17:49:30,145 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:49:30,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:49:30,161 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 17:49:30,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:49:30 BoogieIcfgContainer [2024-11-12 17:49:30,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:49:30,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:49:30,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:49:30,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:49:30,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:49:29" (1/3) ... [2024-11-12 17:49:30,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a4c4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:49:30, skipping insertion in model container [2024-11-12 17:49:30,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:49:29" (2/3) ... [2024-11-12 17:49:30,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a4c4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:49:30, skipping insertion in model container [2024-11-12 17:49:30,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:49:30" (3/3) ... [2024-11-12 17:49:30,173 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i20_o20-1.c [2024-11-12 17:49:30,188 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:49:30,189 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 17:49:30,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:49:30,261 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;@7c043d66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:49:30,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 17:49:30,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 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) [2024-11-12 17:49:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:49:30,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:30,275 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:49:30,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:30,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:30,280 INFO L85 PathProgramCache]: Analyzing trace with hash 890350836, now seen corresponding path program 1 times [2024-11-12 17:49:30,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:30,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12297171] [2024-11-12 17:49:30,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:30,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:30,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:30,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12297171] [2024-11-12 17:49:30,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12297171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:49:30,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:49:30,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:49:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864193878] [2024-11-12 17:49:30,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:49:30,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:49:30,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:30,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:49:30,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:49:30,545 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:30,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:30,628 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2024-11-12 17:49:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:49:30,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 17:49:30,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:30,639 INFO L225 Difference]: With dead ends: 46 [2024-11-12 17:49:30,640 INFO L226 Difference]: Without dead ends: 28 [2024-11-12 17:49:30,643 INFO L434 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 [2024-11-12 17:49:30,646 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:30,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 67 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:49:30,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-12 17:49:30,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2024-11-12 17:49:30,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:49:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2024-11-12 17:49:30,679 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 6 [2024-11-12 17:49:30,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:30,680 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-11-12 17:49:30,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-12 17:49:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 17:49:30,681 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:30,681 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:49:30,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:49:30,682 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:30,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:30,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1831072195, now seen corresponding path program 1 times [2024-11-12 17:49:30,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:30,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764016040] [2024-11-12 17:49:30,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:30,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:30,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:30,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764016040] [2024-11-12 17:49:30,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764016040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:49:30,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:49:30,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:49:30,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34019618] [2024-11-12 17:49:30,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:49:30,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:49:30,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:30,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:49:30,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:49:30,797 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-12 17:49:30,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:30,848 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-12 17:49:30,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:49:30,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 7 [2024-11-12 17:49:30,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:30,851 INFO L225 Difference]: With dead ends: 27 [2024-11-12 17:49:30,851 INFO L226 Difference]: Without dead ends: 26 [2024-11-12 17:49:30,852 INFO L434 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 [2024-11-12 17:49:30,854 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 19 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:30,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 26 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:49:30,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-12 17:49:30,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2024-11-12 17:49:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:49:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-12 17:49:30,867 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 7 [2024-11-12 17:49:30,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:30,868 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-12 17:49:30,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-12 17:49:30,868 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-12 17:49:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-12 17:49:30,870 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:30,870 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:49:30,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:49:30,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:30,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:30,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1922931507, now seen corresponding path program 1 times [2024-11-12 17:49:30,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:30,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528134712] [2024-11-12 17:49:30,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:30,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:30,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:30,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528134712] [2024-11-12 17:49:30,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528134712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:49:30,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937467004] [2024-11-12 17:49:30,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:30,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:30,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:30,984 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) [2024-11-12 17:49:30,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:49:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:31,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:49:31,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:49:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:31,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:49:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:31,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937467004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:49:31,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:49:31,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-12 17:49:31,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284482042] [2024-11-12 17:49:31,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:49:31,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:49:31,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:49:31,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:49:31,175 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:31,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:31,328 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2024-11-12 17:49:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:49:31,329 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-12 17:49:31,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:31,330 INFO L225 Difference]: With dead ends: 76 [2024-11-12 17:49:31,331 INFO L226 Difference]: Without dead ends: 68 [2024-11-12 17:49:31,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:49:31,333 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 99 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:31,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 95 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:49:31,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-12 17:49:31,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54. [2024-11-12 17:49:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 43 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:49:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2024-11-12 17:49:31,355 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 11 [2024-11-12 17:49:31,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:31,355 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2024-11-12 17:49:31,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2024-11-12 17:49:31,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 17:49:31,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:31,358 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:49:31,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:49:31,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:31,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:31,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:31,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1856245274, now seen corresponding path program 1 times [2024-11-12 17:49:31,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:31,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976938518] [2024-11-12 17:49:31,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:31,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:31,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 17:49:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 17:49:31,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:31,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976938518] [2024-11-12 17:49:31,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976938518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:49:31,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:49:31,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:49:31,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328800583] [2024-11-12 17:49:31,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:49:31,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:49:31,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:31,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:49:31,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:49:31,673 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:49:31,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:31,704 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2024-11-12 17:49:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:49:31,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-12 17:49:31,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:31,709 INFO L225 Difference]: With dead ends: 74 [2024-11-12 17:49:31,709 INFO L226 Difference]: Without dead ends: 72 [2024-11-12 17:49:31,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:49:31,710 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:31,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:49:31,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-12 17:49:31,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-12 17:49:31,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 57 states have internal predecessors, (69), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:49:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2024-11-12 17:49:31,734 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 19 [2024-11-12 17:49:31,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:31,734 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2024-11-12 17:49:31,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:49:31,734 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2024-11-12 17:49:31,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-12 17:49:31,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:31,736 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:49:31,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 17:49:31,736 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:31,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:31,737 INFO L85 PathProgramCache]: Analyzing trace with hash -614066819, now seen corresponding path program 1 times [2024-11-12 17:49:31,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:31,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119632592] [2024-11-12 17:49:31,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:31,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:31,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:49:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:31,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:49:31,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:31,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119632592] [2024-11-12 17:49:31,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119632592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:49:31,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:49:31,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:49:31,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269623241] [2024-11-12 17:49:31,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:49:31,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:49:31,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:31,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:49:31,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:49:31,813 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:49:31,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:31,828 INFO L93 Difference]: Finished difference Result 72 states and 84 transitions. [2024-11-12 17:49:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:49:31,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-12 17:49:31,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:31,831 INFO L225 Difference]: With dead ends: 72 [2024-11-12 17:49:31,833 INFO L226 Difference]: Without dead ends: 71 [2024-11-12 17:49:31,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:49:31,834 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:31,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:49:31,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-12 17:49:31,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-12 17:49:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:49:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2024-11-12 17:49:31,846 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 24 [2024-11-12 17:49:31,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:31,846 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2024-11-12 17:49:31,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:49:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2024-11-12 17:49:31,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-12 17:49:31,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:31,848 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-12 17:49:31,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:49:31,848 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:31,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:31,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1990585420, now seen corresponding path program 2 times [2024-11-12 17:49:31,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:31,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729923847] [2024-11-12 17:49:31,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:31,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:32,017 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:32,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:32,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729923847] [2024-11-12 17:49:32,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729923847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:49:32,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120286415] [2024-11-12 17:49:32,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:49:32,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:32,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:32,020 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) [2024-11-12 17:49:32,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:49:32,073 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:49:32,073 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:49:32,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:49:32,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:49:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:32,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:49:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:32,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120286415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:49:32,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:49:32,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-12 17:49:32,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265695503] [2024-11-12 17:49:32,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:49:32,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-12 17:49:32,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:32,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-12 17:49:32,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:49:32,349 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:32,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:32,680 INFO L93 Difference]: Finished difference Result 188 states and 204 transitions. [2024-11-12 17:49:32,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 17:49:32,681 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-12 17:49:32,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:32,682 INFO L225 Difference]: With dead ends: 188 [2024-11-12 17:49:32,682 INFO L226 Difference]: Without dead ends: 156 [2024-11-12 17:49:32,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 17:49:32,684 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 272 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:32,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 201 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:49:32,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-12 17:49:32,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2024-11-12 17:49:32,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 116 states have (on average 1.146551724137931) internal successors, (133), 116 states have internal predecessors, (133), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-12 17:49:32,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 163 transitions. [2024-11-12 17:49:32,703 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 163 transitions. Word has length 26 [2024-11-12 17:49:32,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:32,703 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 163 transitions. [2024-11-12 17:49:32,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2024-11-12 17:49:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-12 17:49:32,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:32,704 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-12 17:49:32,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:49:32,905 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,SelfDestructingSolverStorable5 [2024-11-12 17:49:32,905 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:32,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:32,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1350016289, now seen corresponding path program 1 times [2024-11-12 17:49:32,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:32,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436250511] [2024-11-12 17:49:32,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:49:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:33,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-12 17:49:33,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:33,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436250511] [2024-11-12 17:49:33,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436250511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:49:33,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721027904] [2024-11-12 17:49:33,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:33,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:33,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:33,064 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) [2024-11-12 17:49:33,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:49:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:33,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:49:33,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:49:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 17:49:33,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:49:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:49:33,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721027904] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:49:33,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:49:33,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-11-12 17:49:33,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989917947] [2024-11-12 17:49:33,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:49:33,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-12 17:49:33,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:33,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-12 17:49:33,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-11-12 17:49:33,716 INFO L87 Difference]: Start difference. First operand 146 states and 163 transitions. Second operand has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:49:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:34,126 INFO L93 Difference]: Finished difference Result 208 states and 227 transitions. [2024-11-12 17:49:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-12 17:49:34,126 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 40 [2024-11-12 17:49:34,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:34,128 INFO L225 Difference]: With dead ends: 208 [2024-11-12 17:49:34,128 INFO L226 Difference]: Without dead ends: 142 [2024-11-12 17:49:34,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2024-11-12 17:49:34,129 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 199 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:34,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 413 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:49:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-12 17:49:34,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 134. [2024-11-12 17:49:34,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 107 states have (on average 1.1121495327102804) internal successors, (119), 106 states have internal predecessors, (119), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-11-12 17:49:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 147 transitions. [2024-11-12 17:49:34,161 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 147 transitions. Word has length 40 [2024-11-12 17:49:34,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:34,162 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 147 transitions. [2024-11-12 17:49:34,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-12 17:49:34,162 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2024-11-12 17:49:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-12 17:49:34,163 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:34,164 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-12 17:49:34,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:49:34,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:34,368 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:34,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:34,369 INFO L85 PathProgramCache]: Analyzing trace with hash -91829804, now seen corresponding path program 3 times [2024-11-12 17:49:34,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:34,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147159672] [2024-11-12 17:49:34,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:34,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:34,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:34,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147159672] [2024-11-12 17:49:34,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147159672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:49:34,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595776147] [2024-11-12 17:49:34,892 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:49:34,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:34,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:34,897 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) [2024-11-12 17:49:34,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:49:34,953 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-12 17:49:34,954 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:49:34,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-12 17:49:34,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:49:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:35,050 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:49:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:35,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595776147] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:49:35,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:49:35,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-12 17:49:35,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484494315] [2024-11-12 17:49:35,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:49:35,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-12 17:49:35,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:35,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-12 17:49:35,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-12 17:49:35,665 INFO L87 Difference]: Start difference. First operand 134 states and 147 transitions. Second operand has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:36,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:36,414 INFO L93 Difference]: Finished difference Result 438 states and 470 transitions. [2024-11-12 17:49:36,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-12 17:49:36,415 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-12 17:49:36,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:36,417 INFO L225 Difference]: With dead ends: 438 [2024-11-12 17:49:36,418 INFO L226 Difference]: Without dead ends: 386 [2024-11-12 17:49:36,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-11-12 17:49:36,420 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 622 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:36,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 467 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:49:36,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-12 17:49:36,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 364. [2024-11-12 17:49:36,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 291 states have (on average 1.120274914089347) internal successors, (326), 290 states have internal predecessors, (326), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50) [2024-11-12 17:49:36,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 400 transitions. [2024-11-12 17:49:36,447 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 400 transitions. Word has length 56 [2024-11-12 17:49:36,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:36,447 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 400 transitions. [2024-11-12 17:49:36,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 400 transitions. [2024-11-12 17:49:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-12 17:49:36,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:36,450 INFO L218 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-12 17:49:36,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:49:36,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:36,654 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:36,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:36,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1351701622, now seen corresponding path program 2 times [2024-11-12 17:49:36,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:36,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988341715] [2024-11-12 17:49:36,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:36,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:37,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:49:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:37,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:37,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 299 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-12 17:49:37,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:37,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988341715] [2024-11-12 17:49:37,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988341715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:49:37,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545863822] [2024-11-12 17:49:37,140 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:49:37,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:37,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:37,142 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) [2024-11-12 17:49:37,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:49:37,199 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:49:37,199 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:49:37,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-12 17:49:37,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:49:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 297 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 17:49:37,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:49:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 303 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 17:49:38,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545863822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:49:38,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:49:38,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 48 [2024-11-12 17:49:38,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268306612] [2024-11-12 17:49:38,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:49:38,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-12 17:49:38,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:38,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-12 17:49:38,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1812, Unknown=0, NotChecked=0, Total=2256 [2024-11-12 17:49:38,055 INFO L87 Difference]: Start difference. First operand 364 states and 400 transitions. Second operand has 48 states, 46 states have (on average 2.282608695652174) internal successors, (105), 31 states have internal predecessors, (105), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-12 17:49:38,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:38,588 INFO L93 Difference]: Finished difference Result 477 states and 512 transitions. [2024-11-12 17:49:38,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-12 17:49:38,589 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 46 states have (on average 2.282608695652174) internal successors, (105), 31 states have internal predecessors, (105), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 75 [2024-11-12 17:49:38,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:38,591 INFO L225 Difference]: With dead ends: 477 [2024-11-12 17:49:38,591 INFO L226 Difference]: Without dead ends: 301 [2024-11-12 17:49:38,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 127 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1042, Invalid=3380, Unknown=0, NotChecked=0, Total=4422 [2024-11-12 17:49:38,594 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 349 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:38,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 891 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:49:38,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-12 17:49:38,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 274. [2024-11-12 17:49:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 219 states have (on average 1.1187214611872147) internal successors, (245), 218 states have internal predecessors, (245), 24 states have call successors, (24), 23 states have call predecessors, (24), 29 states have return successors, (32), 32 states have call predecessors, (32), 23 states have call successors, (32) [2024-11-12 17:49:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 301 transitions. [2024-11-12 17:49:38,620 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 301 transitions. Word has length 75 [2024-11-12 17:49:38,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:38,620 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 301 transitions. [2024-11-12 17:49:38,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 46 states have (on average 2.282608695652174) internal successors, (105), 31 states have internal predecessors, (105), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-12 17:49:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 301 transitions. [2024-11-12 17:49:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-12 17:49:38,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:38,626 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-12 17:49:38,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 17:49:38,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:38,831 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:38,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:38,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1473917420, now seen corresponding path program 4 times [2024-11-12 17:49:38,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:38,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891272] [2024-11-12 17:49:38,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:39,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:39,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891272] [2024-11-12 17:49:39,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:49:39,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303151519] [2024-11-12 17:49:39,951 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 17:49:39,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:39,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:39,954 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) [2024-11-12 17:49:39,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:49:40,020 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-12 17:49:40,021 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:49:40,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-12 17:49:40,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:49:40,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:40,188 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:49:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:49:41,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303151519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:49:41,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:49:41,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-12 17:49:41,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294444990] [2024-11-12 17:49:41,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:49:41,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-12 17:49:41,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:41,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-12 17:49:41,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-11-12 17:49:41,917 INFO L87 Difference]: Start difference. First operand 274 states and 301 transitions. Second operand has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:42,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:42,627 INFO L93 Difference]: Finished difference Result 294 states and 301 transitions. [2024-11-12 17:49:42,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-12 17:49:42,628 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-12 17:49:42,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:42,633 INFO L225 Difference]: With dead ends: 294 [2024-11-12 17:49:42,633 INFO L226 Difference]: Without dead ends: 293 [2024-11-12 17:49:42,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2873 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4100, Invalid=9706, Unknown=0, NotChecked=0, Total=13806 [2024-11-12 17:49:42,637 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 549 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:42,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 864 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:49:42,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-12 17:49:42,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 273. [2024-11-12 17:49:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 219 states have (on average 1.1141552511415524) internal successors, (244), 217 states have internal predecessors, (244), 24 states have call successors, (24), 23 states have call predecessors, (24), 29 states have return successors, (32), 32 states have call predecessors, (32), 23 states have call successors, (32) [2024-11-12 17:49:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 300 transitions. [2024-11-12 17:49:42,655 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 300 transitions. Word has length 116 [2024-11-12 17:49:42,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:42,656 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 300 transitions. [2024-11-12 17:49:42,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:49:42,656 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 300 transitions. [2024-11-12 17:49:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-12 17:49:42,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:42,660 INFO L218 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-12 17:49:42,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 17:49:42,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:42,861 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:42,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1567947543, now seen corresponding path program 3 times [2024-11-12 17:49:42,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:42,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352235032] [2024-11-12 17:49:42,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:42,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:49:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:42,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:43,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-12 17:49:43,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:43,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352235032] [2024-11-12 17:49:43,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352235032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:49:43,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536059932] [2024-11-12 17:49:43,029 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:49:43,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:43,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:43,031 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) [2024-11-12 17:49:43,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:49:43,079 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-12 17:49:43,080 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:49:43,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:49:43,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:49:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-12 17:49:43,127 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:49:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-12 17:49:43,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536059932] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:49:43,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:49:43,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-12 17:49:43,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641685432] [2024-11-12 17:49:43,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:49:43,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 17:49:43,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:43,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 17:49:43,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:49:43,264 INFO L87 Difference]: Start difference. First operand 273 states and 300 transitions. Second operand has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-12 17:49:43,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:43,376 INFO L93 Difference]: Finished difference Result 416 states and 476 transitions. [2024-11-12 17:49:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:49:43,376 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) Word has length 120 [2024-11-12 17:49:43,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:43,379 INFO L225 Difference]: With dead ends: 416 [2024-11-12 17:49:43,379 INFO L226 Difference]: Without dead ends: 415 [2024-11-12 17:49:43,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2024-11-12 17:49:43,380 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 31 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:43,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 50 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:49:43,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-12 17:49:43,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2024-11-12 17:49:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 335 states have (on average 1.0746268656716418) internal successors, (360), 329 states have internal predecessors, (360), 24 states have call successors, (24), 23 states have call predecessors, (24), 55 states have return successors, (62), 62 states have call predecessors, (62), 23 states have call successors, (62) [2024-11-12 17:49:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 446 transitions. [2024-11-12 17:49:43,414 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 446 transitions. Word has length 120 [2024-11-12 17:49:43,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:43,414 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 446 transitions. [2024-11-12 17:49:43,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-12 17:49:43,415 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 446 transitions. [2024-11-12 17:49:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-12 17:49:43,416 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:43,416 INFO L218 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2024-11-12 17:49:43,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 17:49:43,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:43,617 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:43,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:43,618 INFO L85 PathProgramCache]: Analyzing trace with hash -342311337, now seen corresponding path program 4 times [2024-11-12 17:49:43,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:43,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731608513] [2024-11-12 17:49:43,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:43,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:49:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:43,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:43,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:44,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:44,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:44,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 20 proven. 105 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-12 17:49:44,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:44,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731608513] [2024-11-12 17:49:44,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731608513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:49:44,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725036840] [2024-11-12 17:49:44,100 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 17:49:44,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:44,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:44,101 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) [2024-11-12 17:49:44,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:49:44,168 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-12 17:49:44,169 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:49:44,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:49:44,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:49:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-12 17:49:44,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:49:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-12 17:49:45,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725036840] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:49:45,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:49:45,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-11-12 17:49:45,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769412894] [2024-11-12 17:49:45,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:49:45,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-12 17:49:45,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:45,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-12 17:49:45,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 17:49:45,375 INFO L87 Difference]: Start difference. First operand 415 states and 446 transitions. Second operand has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-12 17:49:45,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:45,651 INFO L93 Difference]: Finished difference Result 940 states and 1086 transitions. [2024-11-12 17:49:45,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-12 17:49:45,652 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 140 [2024-11-12 17:49:45,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:45,655 INFO L225 Difference]: With dead ends: 940 [2024-11-12 17:49:45,655 INFO L226 Difference]: Without dead ends: 939 [2024-11-12 17:49:45,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2024-11-12 17:49:45,657 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 63 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:45,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 74 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:49:45,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-11-12 17:49:45,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 939. [2024-11-12 17:49:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 759 states have (on average 1.0329380764163374) internal successors, (784), 745 states have internal predecessors, (784), 24 states have call successors, (24), 23 states have call predecessors, (24), 155 states have return successors, (170), 170 states have call predecessors, (170), 23 states have call successors, (170) [2024-11-12 17:49:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 978 transitions. [2024-11-12 17:49:45,709 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 978 transitions. Word has length 140 [2024-11-12 17:49:45,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:45,711 INFO L471 AbstractCegarLoop]: Abstraction has 939 states and 978 transitions. [2024-11-12 17:49:45,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-12 17:49:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 978 transitions. [2024-11-12 17:49:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-12 17:49:45,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:45,716 INFO L218 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 15, 15, 15, 15, 14, 1, 1, 1, 1, 1] [2024-11-12 17:49:45,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-12 17:49:45,919 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,SelfDestructingSolverStorable11 [2024-11-12 17:49:45,920 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:49:45,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:49:45,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1265231063, now seen corresponding path program 5 times [2024-11-12 17:49:45,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:49:45,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415443835] [2024-11-12 17:49:45,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:49:45,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:49:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:46,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 17:49:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:46,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:46,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:46,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:46,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:49:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:49:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 20 proven. 525 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-12 17:49:47,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:49:47,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415443835] [2024-11-12 17:49:47,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415443835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:49:47,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957906703] [2024-11-12 17:49:47,813 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-12 17:49:47,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:49:47,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:49:47,815 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) [2024-11-12 17:49:47,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:49:47,924 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-11-12 17:49:47,925 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:49:47,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-12 17:49:47,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:49:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-12 17:49:48,064 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:49:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-12 17:49:58,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957906703] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:49:58,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:49:58,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64 [2024-11-12 17:49:58,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730001811] [2024-11-12 17:49:58,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:49:58,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-12 17:49:58,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:49:58,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-12 17:49:58,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2024-11-12 17:49:58,921 INFO L87 Difference]: Start difference. First operand 939 states and 978 transitions. Second operand has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 17:49:59,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:49:59,830 INFO L93 Difference]: Finished difference Result 2673 states and 3069 transitions. [2024-11-12 17:49:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-12 17:49:59,830 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-11-12 17:49:59,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:49:59,838 INFO L225 Difference]: With dead ends: 2673 [2024-11-12 17:49:59,839 INFO L226 Difference]: Without dead ends: 1495 [2024-11-12 17:49:59,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6317 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2976, Invalid=12276, Unknown=0, NotChecked=0, Total=15252 [2024-11-12 17:49:59,851 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 127 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:49:59,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 74 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:49:59,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2024-11-12 17:49:59,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1495. [2024-11-12 17:49:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1495 states, 1208 states have (on average 1.0190397350993377) internal successors, (1231), 1187 states have internal predecessors, (1231), 24 states have call successors, (24), 23 states have call predecessors, (24), 262 states have return successors, (284), 284 states have call predecessors, (284), 23 states have call successors, (284) [2024-11-12 17:49:59,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1539 transitions. [2024-11-12 17:49:59,937 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1539 transitions. Word has length 180 [2024-11-12 17:49:59,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:49:59,938 INFO L471 AbstractCegarLoop]: Abstraction has 1495 states and 1539 transitions. [2024-11-12 17:49:59,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 17:49:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1539 transitions. [2024-11-12 17:49:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-12 17:49:59,950 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:49:59,950 INFO L218 NwaCegarLoop]: trace histogram [55, 54, 54, 54, 54, 31, 31, 31, 31, 30, 1, 1, 1, 1, 1] [2024-11-12 17:49:59,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 17:50:00,154 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,SelfDestructingSolverStorable12 [2024-11-12 17:50:00,155 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:50:00,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:50:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash 653643575, now seen corresponding path program 6 times [2024-11-12 17:50:00,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:50:00,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614620754] [2024-11-12 17:50:00,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:50:00,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:50:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:01,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 17:50:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:01,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:02,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:03,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:04,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:04,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:05,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:05,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:06,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:06,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:07,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:07,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:07,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:07,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:07,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:08,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:08,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:08,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:08,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:08,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:08,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:08,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:08,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:09,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:50:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:50:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 54 proven. 2325 refuted. 0 times theorem prover too weak. 7209 trivial. 0 not checked. [2024-11-12 17:50:09,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:50:09,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614620754] [2024-11-12 17:50:09,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614620754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:50:09,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128546382] [2024-11-12 17:50:09,259 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-12 17:50:09,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:50:09,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:50:09,261 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) [2024-11-12 17:50:09,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:50:09,631 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2024-11-12 17:50:09,631 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:50:09,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-12 17:50:09,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:50:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 3468 proven. 990 refuted. 0 times theorem prover too weak. 5130 trivial. 0 not checked. [2024-11-12 17:50:11,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:50:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 456 proven. 4638 refuted. 0 times theorem prover too weak. 4494 trivial. 0 not checked. [2024-11-12 17:50:12,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128546382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:50:12,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:50:12,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 45, 45] total 108 [2024-11-12 17:50:12,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455220311] [2024-11-12 17:50:12,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:50:12,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-11-12 17:50:12,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:50:12,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-11-12 17:50:12,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1144, Invalid=10412, Unknown=0, NotChecked=0, Total=11556 [2024-11-12 17:50:12,425 INFO L87 Difference]: Start difference. First operand 1495 states and 1539 transitions. Second operand has 108 states, 107 states have (on average 2.149532710280374) internal successors, (230), 87 states have internal predecessors, (230), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 17:50:14,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:50:14,310 INFO L93 Difference]: Finished difference Result 1495 states and 1539 transitions. [2024-11-12 17:50:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-12 17:50:14,311 INFO L78 Accepts]: Start accepts. Automaton has has 108 states, 107 states have (on average 2.149532710280374) internal successors, (230), 87 states have internal predecessors, (230), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) Word has length 430 [2024-11-12 17:50:14,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:50:14,334 INFO L225 Difference]: With dead ends: 1495 [2024-11-12 17:50:14,334 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 17:50:14,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 877 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5011 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1249, Invalid=15263, Unknown=0, NotChecked=0, Total=16512 [2024-11-12 17:50:14,338 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 141 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 5192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 5192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:50:14,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 159 Invalid, 5192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5192 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 17:50:14,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 17:50:14,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 17:50:14,339 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) [2024-11-12 17:50:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 17:50:14,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2024-11-12 17:50:14,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:50:14,340 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 17:50:14,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 107 states have (on average 2.149532710280374) internal successors, (230), 87 states have internal predecessors, (230), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 17:50:14,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 17:50:14,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 17:50:14,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-12 17:50:14,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-12 17:50:14,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-12 17:50:14,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-12 17:50:14,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-12 17:50:14,547 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,SelfDestructingSolverStorable13 [2024-11-12 17:50:14,550 INFO L421 BasicCegarLoop]: Path program histogram: [6, 4, 1, 1, 1, 1] [2024-11-12 17:50:14,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-12 17:50:17,415 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 17:50:17,507 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-12 17:50:17,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:50:17 BoogieIcfgContainer [2024-11-12 17:50:17,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 17:50:17,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 17:50:17,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 17:50:17,517 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 17:50:17,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:49:30" (3/4) ... [2024-11-12 17:50:17,520 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 17:50:17,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-11-12 17:50:17,528 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-12 17:50:17,528 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-12 17:50:17,529 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 17:50:17,529 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 17:50:17,611 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 17:50:17,612 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 17:50:17,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 17:50:17,613 INFO L158 Benchmark]: Toolchain (without parser) took 48129.96ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 983.6MB). Free memory was 102.6MB in the beginning and 1.0GB in the end (delta: -919.8MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-11-12 17:50:17,613 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 24.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 17:50:17,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.62ms. Allocated memory is still 167.8MB. Free memory was 102.2MB in the beginning and 135.6MB in the end (delta: -33.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 17:50:17,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.93ms. Allocated memory is still 167.8MB. Free memory was 135.6MB in the beginning and 134.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 17:50:17,615 INFO L158 Benchmark]: Boogie Preprocessor took 29.98ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 132.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 17:50:17,615 INFO L158 Benchmark]: RCFGBuilder took 288.54ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 122.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 17:50:17,616 INFO L158 Benchmark]: TraceAbstraction took 47350.29ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 983.6MB). Free memory was 121.8MB in the beginning and 1.0GB in the end (delta: -904.7MB). Peak memory consumption was 536.0MB. Max. memory is 16.1GB. [2024-11-12 17:50:17,616 INFO L158 Benchmark]: Witness Printer took 95.86ms. Allocated memory is still 1.2GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 17:50:17,620 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 24.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.62ms. Allocated memory is still 167.8MB. Free memory was 102.2MB in the beginning and 135.6MB in the end (delta: -33.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.93ms. Allocated memory is still 167.8MB. Free memory was 135.6MB in the beginning and 134.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.98ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 132.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.54ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 122.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 47350.29ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 983.6MB). Free memory was 121.8MB in the beginning and 1.0GB in the end (delta: -904.7MB). Peak memory consumption was 536.0MB. Max. memory is 16.1GB. * Witness Printer took 95.86ms. Allocated memory is still 1.2GB. Free memory was 1.0GB in the beginning and 1.0GB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: 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 2 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 44.3s, OverallIterations: 14, TraceHistogramMax: 55, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2559 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2495 mSDsluCounter, 3445 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3002 mSDsCounter, 264 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7307 IncrementalHoareTripleChecker+Invalid, 7571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 264 mSolverCounterUnsat, 443 mSDtfsCounter, 7307 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2960 GetRequests, 2275 SyntacticMatches, 7 SemanticMatches, 678 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18299 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1495occurred in iteration=13, InterpolantAutomatonStates: 368, 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, 14 MinimizatonAttempts, 106 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 33.9s InterpolantComputationTime, 2444 NumberOfCodeBlocks, 2334 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 3604 ConstructedInterpolants, 0 QuantifiedInterpolants, 7410 SizeOfPredicates, 78 NumberOfNonLiveVariables, 2164 ConjunctsInSsa, 270 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 29849/45325 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 4 specifications checked. All of them hold - ProcedureContractResult [Line: 6]: Procedure Contract for id Derived contract for procedure id. Requires: (((((((((((((((((((((x == 18) || (x == 0)) || (x == 16)) || (x == 17)) || (x == 4)) || (x == 11)) || (x == 14)) || (x == 6)) || (x == 1)) || (x == 9)) || (x == 8)) || (7 == x)) || (x == 20)) || (x == 15)) || (x == 2)) || (x == 12)) || (x == 3)) || (5 == x)) || (19 == x)) || (x == 13)) || (x == 10)) Ensures: (((\result == 0) || (x != 0)) && (((((((((((((((((((((x == 18) || (x == 0)) || (x == 16)) || (x == 17)) || (x == 4)) || (x == 11)) || (x == 14)) || (x == 6)) || (x == 1)) || (x == 9)) || (x == 8)) || (7 == x)) || (x == 20)) || (x == 15)) || (x == 2)) || (x == 12)) || (x == 3)) || (5 == x)) || (19 == x)) || (x == 13)) || (x == 10))) RESULT: Ultimate proved your program to be correct! [2024-11-12 17:50:17,653 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