./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a9c94ff3f7a4cc7959f300c80b9f2b63e79e2db35d5e30d3783ff95bcb9ac78c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 22:32:11,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 22:32:11,684 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 22:32:11,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 22:32:11,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 22:32:11,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 22:32:11,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 22:32:11,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 22:32:11,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 22:32:11,710 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 22:32:11,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 22:32:11,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 22:32:11,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 22:32:11,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 22:32:11,711 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 22:32:11,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 22:32:11,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 22:32:11,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 22:32:11,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 22:32:11,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 22:32:11,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 22:32:11,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 22:32:11,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 22:32:11,718 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 22:32:11,719 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 22:32:11,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 22:32:11,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 22:32:11,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 22:32:11,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 22:32:11,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 22:32:11,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 22:32:11,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:32:11,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 22:32:11,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 22:32:11,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 22:32:11,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 22:32:11,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 22:32:11,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 22:32:11,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 22:32:11,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 22:32:11,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 22:32:11,730 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9c94ff3f7a4cc7959f300c80b9f2b63e79e2db35d5e30d3783ff95bcb9ac78c [2024-10-11 22:32:11,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 22:32:12,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 22:32:12,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 22:32:12,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 22:32:12,021 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 22:32:12,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i [2024-10-11 22:32:13,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 22:32:13,774 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 22:32:13,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i [2024-10-11 22:32:13,800 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3c5718c6d/317bf40af85944659f5bf80016f9508a/FLAGcc7e28bf3 [2024-10-11 22:32:13,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3c5718c6d/317bf40af85944659f5bf80016f9508a [2024-10-11 22:32:13,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 22:32:13,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 22:32:13,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 22:32:13,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 22:32:13,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 22:32:13,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:32:13" (1/1) ... [2024-10-11 22:32:13,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1025a0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:13, skipping insertion in model container [2024-10-11 22:32:13,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:32:13" (1/1) ... [2024-10-11 22:32:13,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 22:32:14,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:32:14,619 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 22:32:14,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:32:14,831 INFO L204 MainTranslator]: Completed translation [2024-10-11 22:32:14,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14 WrapperNode [2024-10-11 22:32:14,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 22:32:14,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 22:32:14,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 22:32:14,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 22:32:14,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,917 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 241 [2024-10-11 22:32:14,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 22:32:14,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 22:32:14,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 22:32:14,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 22:32:14,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,945 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,970 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 22:32:14,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:14,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 22:32:14,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 22:32:14,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 22:32:14,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 22:32:15,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (1/1) ... [2024-10-11 22:32:15,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:32:15,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:32:15,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 22:32:15,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 22:32:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-11 22:32:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-11 22:32:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 22:32:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 22:32:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 22:32:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 22:32:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 22:32:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-11 22:32:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-11 22:32:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-11 22:32:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-11 22:32:15,214 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 22:32:15,215 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 22:32:15,609 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-10-11 22:32:15,609 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 22:32:15,645 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 22:32:15,646 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 22:32:15,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:32:15 BoogieIcfgContainer [2024-10-11 22:32:15,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 22:32:15,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 22:32:15,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 22:32:15,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 22:32:15,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:32:13" (1/3) ... [2024-10-11 22:32:15,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b7e9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:32:15, skipping insertion in model container [2024-10-11 22:32:15,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:32:14" (2/3) ... [2024-10-11 22:32:15,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b7e9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:32:15, skipping insertion in model container [2024-10-11 22:32:15,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:32:15" (3/3) ... [2024-10-11 22:32:15,658 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_08_good.i [2024-10-11 22:32:15,675 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 22:32:15,676 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 22:32:15,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 22:32:15,747 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;@199fa1bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 22:32:15,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 22:32:15,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 95 states have (on average 1.5157894736842106) internal successors, (144), 103 states have internal predecessors, (144), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 22:32:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 22:32:15,760 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:15,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:15,761 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:15,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1413681509, now seen corresponding path program 1 times [2024-10-11 22:32:15,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:15,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340138591] [2024-10-11 22:32:15,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:15,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 22:32:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:32:16,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:16,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340138591] [2024-10-11 22:32:16,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340138591] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:16,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:32:16,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 22:32:16,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452463181] [2024-10-11 22:32:16,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:16,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:32:16,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:16,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:32:16,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:32:16,251 INFO L87 Difference]: Start difference. First operand has 126 states, 95 states have (on average 1.5157894736842106) internal successors, (144), 103 states have internal predecessors, (144), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:32:16,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:16,323 INFO L93 Difference]: Finished difference Result 224 states and 316 transitions. [2024-10-11 22:32:16,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:32:16,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-10-11 22:32:16,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:16,332 INFO L225 Difference]: With dead ends: 224 [2024-10-11 22:32:16,332 INFO L226 Difference]: Without dead ends: 120 [2024-10-11 22:32:16,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:32:16,338 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:16,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 510 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:16,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-10-11 22:32:16,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-10-11 22:32:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 99 states have internal predecessors, (137), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 22:32:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2024-10-11 22:32:16,376 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 20 [2024-10-11 22:32:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:16,377 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2024-10-11 22:32:16,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 22:32:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2024-10-11 22:32:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 22:32:16,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:16,379 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:16,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 22:32:16,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:16,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:16,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1592306120, now seen corresponding path program 1 times [2024-10-11 22:32:16,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:16,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061860010] [2024-10-11 22:32:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:16,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:32:16,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:16,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061860010] [2024-10-11 22:32:16,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061860010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:16,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:32:16,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:32:16,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781004277] [2024-10-11 22:32:16,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:16,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:16,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:16,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:16,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:32:16,522 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 22:32:16,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:16,561 INFO L93 Difference]: Finished difference Result 120 states and 169 transitions. [2024-10-11 22:32:16,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:16,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-10-11 22:32:16,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:16,564 INFO L225 Difference]: With dead ends: 120 [2024-10-11 22:32:16,564 INFO L226 Difference]: Without dead ends: 119 [2024-10-11 22:32:16,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:32:16,565 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 1 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:16,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 313 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:16,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-11 22:32:16,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-10-11 22:32:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 98 states have internal predecessors, (136), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 22:32:16,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2024-10-11 22:32:16,579 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 26 [2024-10-11 22:32:16,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:16,583 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2024-10-11 22:32:16,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 22:32:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2024-10-11 22:32:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 22:32:16,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:16,585 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:16,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 22:32:16,585 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:16,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:16,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2116849312, now seen corresponding path program 1 times [2024-10-11 22:32:16,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:16,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743949738] [2024-10-11 22:32:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:16,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:32:16,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:16,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743949738] [2024-10-11 22:32:16,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743949738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:16,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:32:16,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:32:16,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128922778] [2024-10-11 22:32:16,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:16,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:16,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:16,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:16,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:32:16,686 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 22:32:16,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:16,728 INFO L93 Difference]: Finished difference Result 119 states and 168 transitions. [2024-10-11 22:32:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:16,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-10-11 22:32:16,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:16,731 INFO L225 Difference]: With dead ends: 119 [2024-10-11 22:32:16,733 INFO L226 Difference]: Without dead ends: 118 [2024-10-11 22:32:16,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:32:16,734 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 36 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:16,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 278 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:16,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-11 22:32:16,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-10-11 22:32:16,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 97 states have internal predecessors, (135), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 22:32:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 167 transitions. [2024-10-11 22:32:16,752 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 167 transitions. Word has length 27 [2024-10-11 22:32:16,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:16,753 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 167 transitions. [2024-10-11 22:32:16,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 22:32:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 167 transitions. [2024-10-11 22:32:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 22:32:16,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:16,755 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:16,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 22:32:16,755 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:16,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:16,756 INFO L85 PathProgramCache]: Analyzing trace with hash -533993932, now seen corresponding path program 1 times [2024-10-11 22:32:16,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:16,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822535933] [2024-10-11 22:32:16,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:16,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:32:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:32:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 22:32:16,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:16,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822535933] [2024-10-11 22:32:16,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822535933] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:32:16,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673943740] [2024-10-11 22:32:16,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:16,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:16,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:32:16,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:32:16,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 22:32:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:16,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:32:16,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:32:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 22:32:17,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:32:17,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673943740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:17,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:32:17,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-11 22:32:17,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612474453] [2024-10-11 22:32:17,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:17,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:17,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:17,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:17,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:17,073 INFO L87 Difference]: Start difference. First operand 118 states and 167 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 22:32:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:17,114 INFO L93 Difference]: Finished difference Result 170 states and 231 transitions. [2024-10-11 22:32:17,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:17,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-10-11 22:32:17,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:17,117 INFO L225 Difference]: With dead ends: 170 [2024-10-11 22:32:17,118 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 22:32:17,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:17,119 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:17,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 282 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:17,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 22:32:17,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-10-11 22:32:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 100 states have internal predecessors, (139), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 22:32:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 173 transitions. [2024-10-11 22:32:17,133 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 173 transitions. Word has length 38 [2024-10-11 22:32:17,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:17,150 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 173 transitions. [2024-10-11 22:32:17,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 22:32:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2024-10-11 22:32:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 22:32:17,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:17,152 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:17,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 22:32:17,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:17,353 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:17,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:17,354 INFO L85 PathProgramCache]: Analyzing trace with hash -683775925, now seen corresponding path program 1 times [2024-10-11 22:32:17,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:17,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21675319] [2024-10-11 22:32:17,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:17,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:32:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:32:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 22:32:17,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:17,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21675319] [2024-10-11 22:32:17,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21675319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:17,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:32:17,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:32:17,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334284868] [2024-10-11 22:32:17,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:17,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:17,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:17,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:17,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:32:17,444 INFO L87 Difference]: Start difference. First operand 122 states and 173 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 22:32:17,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:17,473 INFO L93 Difference]: Finished difference Result 122 states and 173 transitions. [2024-10-11 22:32:17,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:17,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2024-10-11 22:32:17,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:17,475 INFO L225 Difference]: With dead ends: 122 [2024-10-11 22:32:17,475 INFO L226 Difference]: Without dead ends: 121 [2024-10-11 22:32:17,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:32:17,476 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:17,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 309 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:17,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-11 22:32:17,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-10-11 22:32:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 95 states have (on average 1.4526315789473685) internal successors, (138), 99 states have internal predecessors, (138), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 22:32:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2024-10-11 22:32:17,495 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 44 [2024-10-11 22:32:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:17,496 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2024-10-11 22:32:17,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 22:32:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2024-10-11 22:32:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 22:32:17,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:17,497 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:17,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 22:32:17,498 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:17,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:17,500 INFO L85 PathProgramCache]: Analyzing trace with hash 277783070, now seen corresponding path program 1 times [2024-10-11 22:32:17,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:17,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439819170] [2024-10-11 22:32:17,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:17,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:32:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:32:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 22:32:17,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:17,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439819170] [2024-10-11 22:32:17,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439819170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:17,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:32:17,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:32:17,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793055294] [2024-10-11 22:32:17,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:17,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:17,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:17,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:17,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:32:17,572 INFO L87 Difference]: Start difference. First operand 121 states and 172 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 22:32:17,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:17,600 INFO L93 Difference]: Finished difference Result 122 states and 173 transitions. [2024-10-11 22:32:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:17,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 45 [2024-10-11 22:32:17,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:17,601 INFO L225 Difference]: With dead ends: 122 [2024-10-11 22:32:17,601 INFO L226 Difference]: Without dead ends: 121 [2024-10-11 22:32:17,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 22:32:17,602 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 40 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:17,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 278 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-11 22:32:17,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-10-11 22:32:17,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.4421052631578948) internal successors, (137), 98 states have internal predecessors, (137), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 22:32:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 171 transitions. [2024-10-11 22:32:17,614 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 171 transitions. Word has length 45 [2024-10-11 22:32:17,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:17,615 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 171 transitions. [2024-10-11 22:32:17,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 22:32:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 171 transitions. [2024-10-11 22:32:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 22:32:17,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:17,617 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:17,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 22:32:17,617 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:17,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:17,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1033280273, now seen corresponding path program 1 times [2024-10-11 22:32:17,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:17,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620143686] [2024-10-11 22:32:17,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:17,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:32:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:32:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:32:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:32:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 22:32:17,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:17,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620143686] [2024-10-11 22:32:17,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620143686] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:32:17,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209655170] [2024-10-11 22:32:17,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:17,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:17,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:32:17,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:32:17,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 22:32:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:17,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:32:17,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:32:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-11 22:32:17,822 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:32:17,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209655170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:17,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:32:17,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:32:17,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56497757] [2024-10-11 22:32:17,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:17,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:17,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:17,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:17,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:17,823 INFO L87 Difference]: Start difference. First operand 120 states and 171 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 22:32:17,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:17,853 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2024-10-11 22:32:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:17,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 48 [2024-10-11 22:32:17,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:17,856 INFO L225 Difference]: With dead ends: 142 [2024-10-11 22:32:17,856 INFO L226 Difference]: Without dead ends: 127 [2024-10-11 22:32:17,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:17,857 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 2 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:17,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 309 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:17,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-11 22:32:17,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2024-10-11 22:32:17,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 102 states have internal predecessors, (142), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 22:32:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 178 transitions. [2024-10-11 22:32:17,870 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 178 transitions. Word has length 48 [2024-10-11 22:32:17,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:17,871 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 178 transitions. [2024-10-11 22:32:17,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 22:32:17,871 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2024-10-11 22:32:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 22:32:17,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:17,876 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:17,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 22:32:18,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:18,077 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:18,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:18,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1966917692, now seen corresponding path program 1 times [2024-10-11 22:32:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:18,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814111231] [2024-10-11 22:32:18,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:18,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:32:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:32:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:32:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:32:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 22:32:18,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:18,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814111231] [2024-10-11 22:32:18,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814111231] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:32:18,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187609] [2024-10-11 22:32:18,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:18,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:18,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:32:18,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:32:18,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 22:32:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:32:18,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:32:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-11 22:32:18,315 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:32:18,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187609] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:18,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:32:18,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:32:18,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720248973] [2024-10-11 22:32:18,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:18,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:18,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:18,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:18,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:18,317 INFO L87 Difference]: Start difference. First operand 125 states and 178 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 22:32:18,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:18,346 INFO L93 Difference]: Finished difference Result 126 states and 179 transitions. [2024-10-11 22:32:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:18,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2024-10-11 22:32:18,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:18,349 INFO L225 Difference]: With dead ends: 126 [2024-10-11 22:32:18,350 INFO L226 Difference]: Without dead ends: 125 [2024-10-11 22:32:18,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:18,351 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 4 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:18,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 298 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-11 22:32:18,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-10-11 22:32:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 101 states have internal predecessors, (141), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 22:32:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 177 transitions. [2024-10-11 22:32:18,363 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 177 transitions. Word has length 49 [2024-10-11 22:32:18,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:18,363 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 177 transitions. [2024-10-11 22:32:18,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 22:32:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2024-10-11 22:32:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 22:32:18,365 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:18,365 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:18,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 22:32:18,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:18,570 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:18,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:18,570 INFO L85 PathProgramCache]: Analyzing trace with hash -607092836, now seen corresponding path program 1 times [2024-10-11 22:32:18,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:18,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503595386] [2024-10-11 22:32:18,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:18,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:32:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:32:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:32:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:32:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 22:32:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 22:32:18,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:18,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503595386] [2024-10-11 22:32:18,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503595386] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:32:18,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099700953] [2024-10-11 22:32:18,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:18,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:18,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:32:18,704 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:32:18,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 22:32:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:18,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:32:18,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:32:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 22:32:18,815 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:32:18,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099700953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:18,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:32:18,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-11 22:32:18,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986353877] [2024-10-11 22:32:18,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:18,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:18,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:18,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:18,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:18,820 INFO L87 Difference]: Start difference. First operand 124 states and 177 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 22:32:18,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:18,842 INFO L93 Difference]: Finished difference Result 144 states and 198 transitions. [2024-10-11 22:32:18,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:18,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2024-10-11 22:32:18,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:18,844 INFO L225 Difference]: With dead ends: 144 [2024-10-11 22:32:18,845 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 22:32:18,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:18,846 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:18,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 312 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:18,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 22:32:18,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-10-11 22:32:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 22:32:18,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-10-11 22:32:18,856 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 54 [2024-10-11 22:32:18,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:18,857 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-10-11 22:32:18,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 22:32:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-10-11 22:32:18,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 22:32:18,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:18,861 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:18,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 22:32:19,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 22:32:19,066 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:19,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:19,066 INFO L85 PathProgramCache]: Analyzing trace with hash 239640127, now seen corresponding path program 1 times [2024-10-11 22:32:19,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:19,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096330030] [2024-10-11 22:32:19,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:19,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:32:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:32:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:32:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:32:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 22:32:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 22:32:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 22:32:19,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:19,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096330030] [2024-10-11 22:32:19,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096330030] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:32:19,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227639905] [2024-10-11 22:32:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:19,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:19,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:32:19,160 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:32:19,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 22:32:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:32:19,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:32:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 22:32:19,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:32:19,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227639905] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:19,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:32:19,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:32:19,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702286026] [2024-10-11 22:32:19,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:19,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:19,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:19,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:19,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:19,284 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 22:32:19,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:19,305 INFO L93 Difference]: Finished difference Result 129 states and 182 transitions. [2024-10-11 22:32:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:19,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2024-10-11 22:32:19,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:19,309 INFO L225 Difference]: With dead ends: 129 [2024-10-11 22:32:19,309 INFO L226 Difference]: Without dead ends: 128 [2024-10-11 22:32:19,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:19,310 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:19,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 309 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:19,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-10-11 22:32:19,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2024-10-11 22:32:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.392156862745098) internal successors, (142), 103 states have internal predecessors, (142), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 22:32:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 180 transitions. [2024-10-11 22:32:19,316 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 180 transitions. Word has length 59 [2024-10-11 22:32:19,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:19,317 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 180 transitions. [2024-10-11 22:32:19,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 22:32:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2024-10-11 22:32:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 22:32:19,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:19,318 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:19,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 22:32:19,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 22:32:19,519 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:19,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:19,520 INFO L85 PathProgramCache]: Analyzing trace with hash -569706499, now seen corresponding path program 1 times [2024-10-11 22:32:19,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:19,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088463475] [2024-10-11 22:32:19,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:19,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:32:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:32:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:32:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:32:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 22:32:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 22:32:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 22:32:19,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:19,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088463475] [2024-10-11 22:32:19,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088463475] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:32:19,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017934645] [2024-10-11 22:32:19,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:19,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:19,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:32:19,621 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:32:19,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 22:32:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:19,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:32:19,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:32:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 22:32:19,755 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:32:19,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017934645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:19,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:32:19,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-11 22:32:19,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838469639] [2024-10-11 22:32:19,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:19,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:19,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:19,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:19,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:19,757 INFO L87 Difference]: Start difference. First operand 127 states and 180 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 22:32:19,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:19,778 INFO L93 Difference]: Finished difference Result 129 states and 181 transitions. [2024-10-11 22:32:19,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:19,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2024-10-11 22:32:19,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:19,780 INFO L225 Difference]: With dead ends: 129 [2024-10-11 22:32:19,781 INFO L226 Difference]: Without dead ends: 121 [2024-10-11 22:32:19,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:19,782 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:19,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 310 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:19,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-11 22:32:19,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-10-11 22:32:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 22:32:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2024-10-11 22:32:19,790 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 59 [2024-10-11 22:32:19,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:19,790 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2024-10-11 22:32:19,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 22:32:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2024-10-11 22:32:19,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-11 22:32:19,792 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:32:19,792 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:19,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 22:32:19,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 22:32:19,993 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 22:32:19,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:32:19,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1161090325, now seen corresponding path program 1 times [2024-10-11 22:32:19,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:32:19,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446426488] [2024-10-11 22:32:19,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:19,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:32:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:32:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 22:32:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 22:32:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 22:32:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 22:32:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 22:32:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 22:32:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 22:32:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 22:32:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 22:32:20,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:32:20,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446426488] [2024-10-11 22:32:20,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446426488] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 22:32:20,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421447151] [2024-10-11 22:32:20,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:32:20,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:20,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:32:20,079 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 22:32:20,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 22:32:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:32:20,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 22:32:20,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:32:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 22:32:20,179 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:32:20,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421447151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:32:20,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 22:32:20,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 22:32:20,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635845310] [2024-10-11 22:32:20,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:32:20,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 22:32:20,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:32:20,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 22:32:20,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:20,180 INFO L87 Difference]: Start difference. First operand 121 states and 172 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 22:32:20,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:32:20,198 INFO L93 Difference]: Finished difference Result 121 states and 172 transitions. [2024-10-11 22:32:20,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 22:32:20,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-10-11 22:32:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:32:20,199 INFO L225 Difference]: With dead ends: 121 [2024-10-11 22:32:20,199 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 22:32:20,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 22:32:20,200 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:32:20,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 301 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:32:20,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 22:32:20,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 22:32:20,201 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) [2024-10-11 22:32:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 22:32:20,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2024-10-11 22:32:20,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:32:20,201 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 22:32:20,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 22:32:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 22:32:20,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 22:32:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-11 22:32:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-11 22:32:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-11 22:32:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-11 22:32:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-11 22:32:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-11 22:32:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-11 22:32:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-11 22:32:20,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 22:32:20,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 22:32:20,409 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:32:20,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 22:32:20,461 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 22:32:20,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 10:32:20 BoogieIcfgContainer [2024-10-11 22:32:20,477 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 22:32:20,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 22:32:20,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 22:32:20,477 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 22:32:20,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:32:15" (3/4) ... [2024-10-11 22:32:20,479 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 22:32:20,482 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-11 22:32:20,482 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-11 22:32:20,482 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-11 22:32:20,483 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-11 22:32:20,490 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-11 22:32:20,490 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 22:32:20,491 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 22:32:20,491 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 22:32:20,604 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 22:32:20,607 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 22:32:20,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 22:32:20,608 INFO L158 Benchmark]: Toolchain (without parser) took 6785.84ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 107.6MB in the beginning and 141.6MB in the end (delta: -34.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-10-11 22:32:20,608 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 104.9MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:32:20,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1005.14ms. Allocated memory is still 178.3MB. Free memory was 107.4MB in the beginning and 94.3MB in the end (delta: 13.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-10-11 22:32:20,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.16ms. Allocated memory is still 178.3MB. Free memory was 94.3MB in the beginning and 90.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 22:32:20,609 INFO L158 Benchmark]: Boogie Preprocessor took 76.31ms. Allocated memory is still 178.3MB. Free memory was 90.8MB in the beginning and 88.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 22:32:20,609 INFO L158 Benchmark]: RCFGBuilder took 648.72ms. Allocated memory is still 178.3MB. Free memory was 88.0MB in the beginning and 60.0MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-11 22:32:20,609 INFO L158 Benchmark]: TraceAbstraction took 4827.11ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 59.4MB in the beginning and 151.0MB in the end (delta: -91.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:32:20,609 INFO L158 Benchmark]: Witness Printer took 130.10ms. Allocated memory is still 243.3MB. Free memory was 151.0MB in the beginning and 141.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-11 22:32:20,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 104.9MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1005.14ms. Allocated memory is still 178.3MB. Free memory was 107.4MB in the beginning and 94.3MB in the end (delta: 13.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.16ms. Allocated memory is still 178.3MB. Free memory was 94.3MB in the beginning and 90.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.31ms. Allocated memory is still 178.3MB. Free memory was 90.8MB in the beginning and 88.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 648.72ms. Allocated memory is still 178.3MB. Free memory was 88.0MB in the beginning and 60.0MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4827.11ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 59.4MB in the beginning and 151.0MB in the end (delta: -91.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 130.10ms. Allocated memory is still 243.3MB. Free memory was 151.0MB in the beginning and 141.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: 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 5 procedures, 126 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 3809 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1884 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1925 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=10, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 7 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 896 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 877 ConstructedInterpolants, 0 QuantifiedInterpolants, 1031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1200 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 289/308 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 8 specifications checked. All of them hold - ProcedureContractResult [Line: 1548]: Procedure Contract for staticReturnsTrue Derived contract for procedure staticReturnsTrue. Ensures: (\result == 1) RESULT: Ultimate proved your program to be correct! [2024-10-11 22:32:20,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE