./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_minInArray_ground-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_minInArray_ground-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2fc902d06a9677a744e95b3e4aa2d9ade69a1fc168c97563c1ba760b1699777 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:51:29,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:51:29,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 12:51:29,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:51:29,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:51:29,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:51:29,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:51:29,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:51:29,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:51:29,601 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:51:29,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:51:29,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:51:29,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:51:29,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:51:29,603 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:51:29,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:51:29,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 12:51:29,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:51:29,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:51:29,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:51:29,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:51:29,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 12:51:29,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:51:29,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 12:51:29,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:51:29,607 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 12:51:29,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:51:29,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:51:29,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 12:51:29,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:51:29,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:51:29,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:51:29,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:51:29,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:51:29,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:51:29,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:51:29,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:51:29,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 12:51:29,611 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:51:29,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:51:29,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:51:29,612 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:51:29,613 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:51:29,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:51:29,613 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2fc902d06a9677a744e95b3e4aa2d9ade69a1fc168c97563c1ba760b1699777 [2024-10-13 12:51:29,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:51:29,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:51:29,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:51:29,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:51:29,948 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:51:29,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_minInArray_ground-2.i [2024-10-13 12:51:31,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:51:31,507 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:51:31,508 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_minInArray_ground-2.i [2024-10-13 12:51:31,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/727e71cf9/2ba5b596ead24da7b80de9444552c445/FLAGc71157ba3 [2024-10-13 12:51:31,526 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/727e71cf9/2ba5b596ead24da7b80de9444552c445 [2024-10-13 12:51:31,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:51:31,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:51:31,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:51:31,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:51:31,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:51:31,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4e054b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31, skipping insertion in model container [2024-10-13 12:51:31,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:51:31,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:51:31,754 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:51:31,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:51:31,791 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:51:31,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31 WrapperNode [2024-10-13 12:51:31,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:51:31,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:51:31,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:51:31,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:51:31,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,826 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-10-13 12:51:31,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:51:31,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:51:31,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:51:31,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:51:31,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,859 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-10-13 12:51:31,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:51:31,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:51:31,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:51:31,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:51:31,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (1/1) ... [2024-10-13 12:51:31,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:51:31,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:31,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 12:51:31,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 12:51:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:51:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:51:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 12:51:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 12:51:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 12:51:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 12:51:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:51:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:51:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 12:51:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 12:51:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 12:51:32,029 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:51:32,031 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:51:32,173 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-10-13 12:51:32,173 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:51:32,200 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:51:32,200 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-13 12:51:32,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:32 BoogieIcfgContainer [2024-10-13 12:51:32,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:51:32,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:51:32,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:51:32,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:51:32,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:51:31" (1/3) ... [2024-10-13 12:51:32,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd9acb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:32, skipping insertion in model container [2024-10-13 12:51:32,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:31" (2/3) ... [2024-10-13 12:51:32,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd9acb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:32, skipping insertion in model container [2024-10-13 12:51:32,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:32" (3/3) ... [2024-10-13 12:51:32,211 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_minInArray_ground-2.i [2024-10-13 12:51:32,229 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:51:32,230 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-13 12:51:32,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:51:32,299 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;@12254f73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:51:32,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-13 12:51:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 24 states have internal predecessors, (33), 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) [2024-10-13 12:51:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-13 12:51:32,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:32,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-13 12:51:32,309 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:32,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:32,313 INFO L85 PathProgramCache]: Analyzing trace with hash 111210, now seen corresponding path program 1 times [2024-10-13 12:51:32,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:32,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014993630] [2024-10-13 12:51:32,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:32,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:32,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:51:32,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:32,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014993630] [2024-10-13 12:51:32,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014993630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:32,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:51:32,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:51:32,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556978838] [2024-10-13 12:51:32,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:32,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:51:32,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:32,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:51:32,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:32,567 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 24 states have internal predecessors, (33), 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) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:32,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:32,630 INFO L93 Difference]: Finished difference Result 52 states and 73 transitions. [2024-10-13 12:51:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:51:32,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-13 12:51:32,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:32,641 INFO L225 Difference]: With dead ends: 52 [2024-10-13 12:51:32,641 INFO L226 Difference]: Without dead ends: 28 [2024-10-13 12:51:32,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:32,646 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:32,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 41 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:51:32,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-13 12:51:32,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-13 12:51:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 27 states have internal predecessors, (32), 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) [2024-10-13 12:51:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2024-10-13 12:51:32,671 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 3 [2024-10-13 12:51:32,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:32,671 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-10-13 12:51:32,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-10-13 12:51:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 12:51:32,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:32,672 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2024-10-13 12:51:32,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:51:32,673 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:32,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:32,673 INFO L85 PathProgramCache]: Analyzing trace with hash -981862402, now seen corresponding path program 1 times [2024-10-13 12:51:32,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:32,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616690792] [2024-10-13 12:51:32,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:32,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:51:32,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:32,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616690792] [2024-10-13 12:51:32,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616690792] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:32,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055915934] [2024-10-13 12:51:32,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:32,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:32,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:32,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:32,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 12:51:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:32,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:51:32,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:51:32,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:51:32,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055915934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:32,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:51:32,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-13 12:51:32,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544877268] [2024-10-13 12:51:32,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:32,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:51:32,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:32,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:51:32,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:51:32,974 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-10-13 12:51:33,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:33,039 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2024-10-13 12:51:33,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:51:33,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 12:51:33,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:33,040 INFO L225 Difference]: With dead ends: 28 [2024-10-13 12:51:33,040 INFO L226 Difference]: Without dead ends: 26 [2024-10-13 12:51:33,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:51:33,042 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:33,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 35 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:51:33,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-13 12:51:33,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-13 12:51:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 25 states have internal predecessors, (30), 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) [2024-10-13 12:51:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2024-10-13 12:51:33,050 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 6 [2024-10-13 12:51:33,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:33,051 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2024-10-13 12:51:33,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-10-13 12:51:33,052 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-10-13 12:51:33,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 12:51:33,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:33,053 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2024-10-13 12:51:33,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 12:51:33,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:33,254 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:33,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:33,255 INFO L85 PathProgramCache]: Analyzing trace with hash -372963344, now seen corresponding path program 1 times [2024-10-13 12:51:33,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:33,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799488328] [2024-10-13 12:51:33,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:33,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:51:33,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:33,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799488328] [2024-10-13 12:51:33,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799488328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:33,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:51:33,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:51:33,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256385971] [2024-10-13 12:51:33,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:33,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:51:33,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:33,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:51:33,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:51:33,308 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-13 12:51:33,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:33,322 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2024-10-13 12:51:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:51:33,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-13 12:51:33,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:33,323 INFO L225 Difference]: With dead ends: 26 [2024-10-13 12:51:33,323 INFO L226 Difference]: Without dead ends: 25 [2024-10-13 12:51:33,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:51:33,325 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:33,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:51:33,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-13 12:51:33,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-10-13 12:51:33,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.35) internal successors, (27), 22 states have internal predecessors, (27), 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) [2024-10-13 12:51:33,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-10-13 12:51:33,333 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 7 [2024-10-13 12:51:33,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:33,334 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-10-13 12:51:33,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-13 12:51:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-10-13 12:51:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 12:51:33,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:33,334 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:33,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:51:33,335 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:33,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:33,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1976919462, now seen corresponding path program 1 times [2024-10-13 12:51:33,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:33,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209014772] [2024-10-13 12:51:33,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:33,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:33,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:51:33,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:33,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209014772] [2024-10-13 12:51:33,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209014772] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:33,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349397394] [2024-10-13 12:51:33,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:33,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:33,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:33,434 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:33,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 12:51:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:33,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 12:51:33,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:33,509 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 12:51:33,510 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:51:33,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349397394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:33,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:51:33,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2024-10-13 12:51:33,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931968626] [2024-10-13 12:51:33,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:33,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:51:33,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:33,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:51:33,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:51:33,515 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-13 12:51:33,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:33,540 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2024-10-13 12:51:33,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:51:33,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-13 12:51:33,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:33,541 INFO L225 Difference]: With dead ends: 23 [2024-10-13 12:51:33,541 INFO L226 Difference]: Without dead ends: 22 [2024-10-13 12:51:33,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:51:33,542 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:33,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:51:33,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-10-13 12:51:33,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2024-10-13 12:51:33,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 18 states have internal predecessors, (22), 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) [2024-10-13 12:51:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-10-13 12:51:33,551 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2024-10-13 12:51:33,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:33,551 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-13 12:51:33,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-10-13 12:51:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-10-13 12:51:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-13 12:51:33,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:33,553 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:33,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 12:51:33,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-13 12:51:33,758 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:33,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:33,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1490711964, now seen corresponding path program 1 times [2024-10-13 12:51:33,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:33,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535939939] [2024-10-13 12:51:33,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:33,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:51:33,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:33,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535939939] [2024-10-13 12:51:33,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535939939] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:33,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171217356] [2024-10-13 12:51:33,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:33,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:33,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:33,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:33,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 12:51:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:34,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:51:34,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:51:34,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:51:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:51:34,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171217356] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:51:34,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:51:34,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 12:51:34,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501312426] [2024-10-13 12:51:34,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:51:34,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:51:34,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:34,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:51:34,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:51:34,075 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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) [2024-10-13 12:51:34,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:34,149 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2024-10-13 12:51:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:51:34,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-13 12:51:34,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:34,150 INFO L225 Difference]: With dead ends: 51 [2024-10-13 12:51:34,150 INFO L226 Difference]: Without dead ends: 37 [2024-10-13 12:51:34,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:51:34,152 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 36 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:34,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 43 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:51:34,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-13 12:51:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-13 12:51:34,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 36 states have internal predecessors, (43), 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) [2024-10-13 12:51:34,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2024-10-13 12:51:34,157 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 16 [2024-10-13 12:51:34,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:34,157 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-10-13 12:51:34,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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) [2024-10-13 12:51:34,158 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-10-13 12:51:34,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-13 12:51:34,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:34,159 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:34,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 12:51:34,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:34,364 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:34,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:34,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1416764851, now seen corresponding path program 2 times [2024-10-13 12:51:34,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:34,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468160242] [2024-10-13 12:51:34,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:34,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 12:51:34,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:34,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468160242] [2024-10-13 12:51:34,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468160242] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:34,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:51:34,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:51:34,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294945743] [2024-10-13 12:51:34,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:34,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:51:34,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:51:34,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:34,464 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-13 12:51:34,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:34,489 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2024-10-13 12:51:34,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:51:34,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-10-13 12:51:34,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:34,491 INFO L225 Difference]: With dead ends: 44 [2024-10-13 12:51:34,492 INFO L226 Difference]: Without dead ends: 42 [2024-10-13 12:51:34,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:34,493 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 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 [2024-10-13 12:51:34,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:51:34,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-10-13 12:51:34,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-10-13 12:51:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.2) internal successors, (48), 41 states have internal predecessors, (48), 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) [2024-10-13 12:51:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2024-10-13 12:51:34,504 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 34 [2024-10-13 12:51:34,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:34,504 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2024-10-13 12:51:34,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-13 12:51:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2024-10-13 12:51:34,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 12:51:34,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:34,506 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:34,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 12:51:34,507 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:34,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:34,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1453143091, now seen corresponding path program 1 times [2024-10-13 12:51:34,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:34,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96164174] [2024-10-13 12:51:34,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:34,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 12:51:34,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:34,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96164174] [2024-10-13 12:51:34,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96164174] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:34,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075795119] [2024-10-13 12:51:34,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:34,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:34,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:34,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:34,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 12:51:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:34,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 12:51:34,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-13 12:51:34,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:51:34,887 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-13 12:51:34,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075795119] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:51:34,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:51:34,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 18 [2024-10-13 12:51:34,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979799251] [2024-10-13 12:51:34,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:51:34,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 12:51:34,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:34,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 12:51:34,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-10-13 12:51:34,890 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 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) [2024-10-13 12:51:34,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:34,998 INFO L93 Difference]: Finished difference Result 105 states and 130 transitions. [2024-10-13 12:51:34,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 12:51:34,998 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-10-13 12:51:34,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:34,999 INFO L225 Difference]: With dead ends: 105 [2024-10-13 12:51:35,000 INFO L226 Difference]: Without dead ends: 74 [2024-10-13 12:51:35,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-10-13 12:51:35,002 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 36 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:35,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 70 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:51:35,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-13 12:51:35,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-10-13 12:51:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 72 states have (on average 1.1805555555555556) internal successors, (85), 73 states have internal predecessors, (85), 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) [2024-10-13 12:51:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2024-10-13 12:51:35,011 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 39 [2024-10-13 12:51:35,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:35,011 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2024-10-13 12:51:35,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 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) [2024-10-13 12:51:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2024-10-13 12:51:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-13 12:51:35,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:35,013 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:35,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 12:51:35,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:35,217 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:35,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:35,217 INFO L85 PathProgramCache]: Analyzing trace with hash 344833402, now seen corresponding path program 2 times [2024-10-13 12:51:35,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:35,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896709097] [2024-10-13 12:51:35,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:35,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-13 12:51:35,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:35,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896709097] [2024-10-13 12:51:35,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896709097] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:35,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197992913] [2024-10-13 12:51:35,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:51:35,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:35,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:35,513 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:35,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 12:51:35,613 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:51:35,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:51:35,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 12:51:35,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-13 12:51:35,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:51:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-13 12:51:36,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197992913] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:51:36,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:51:36,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 16] total 35 [2024-10-13 12:51:36,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956727906] [2024-10-13 12:51:36,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:51:36,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-13 12:51:36,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:36,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-13 12:51:36,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=861, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 12:51:36,091 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 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) [2024-10-13 12:51:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:36,305 INFO L93 Difference]: Finished difference Result 185 states and 232 transitions. [2024-10-13 12:51:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-13 12:51:36,306 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-13 12:51:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:36,307 INFO L225 Difference]: With dead ends: 185 [2024-10-13 12:51:36,309 INFO L226 Difference]: Without dead ends: 134 [2024-10-13 12:51:36,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=329, Invalid=861, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 12:51:36,311 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 125 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:36,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 64 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:51:36,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-13 12:51:36,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-10-13 12:51:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 132 states have (on average 1.1666666666666667) internal successors, (154), 133 states have internal predecessors, (154), 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) [2024-10-13 12:51:36,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 154 transitions. [2024-10-13 12:51:36,334 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 154 transitions. Word has length 71 [2024-10-13 12:51:36,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:36,335 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 154 transitions. [2024-10-13 12:51:36,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 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) [2024-10-13 12:51:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2024-10-13 12:51:36,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-13 12:51:36,340 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:36,340 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:36,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 12:51:36,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:36,541 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:36,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:36,542 INFO L85 PathProgramCache]: Analyzing trace with hash -928745811, now seen corresponding path program 3 times [2024-10-13 12:51:36,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:36,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231494437] [2024-10-13 12:51:36,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:36,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:37,202 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-10-13 12:51:37,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:37,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231494437] [2024-10-13 12:51:37,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231494437] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:37,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072820648] [2024-10-13 12:51:37,204 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 12:51:37,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:37,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:37,205 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:37,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 12:51:37,278 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 12:51:37,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:51:37,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:51:37,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2024-10-13 12:51:37,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:51:37,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072820648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:37,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:51:37,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [21] total 24 [2024-10-13 12:51:37,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073319697] [2024-10-13 12:51:37,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:37,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:51:37,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:37,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:51:37,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2024-10-13 12:51:37,354 INFO L87 Difference]: Start difference. First operand 134 states and 154 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-10-13 12:51:37,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:37,376 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2024-10-13 12:51:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:51:37,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2024-10-13 12:51:37,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:37,378 INFO L225 Difference]: With dead ends: 134 [2024-10-13 12:51:37,378 INFO L226 Difference]: Without dead ends: 133 [2024-10-13 12:51:37,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2024-10-13 12:51:37,380 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 34 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 [2024-10-13 12:51:37,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 34 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:51:37,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-13 12:51:37,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-10-13 12:51:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.1590909090909092) internal successors, (153), 132 states have internal predecessors, (153), 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) [2024-10-13 12:51:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2024-10-13 12:51:37,393 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 131 [2024-10-13 12:51:37,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:37,394 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2024-10-13 12:51:37,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-10-13 12:51:37,394 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2024-10-13 12:51:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-13 12:51:37,396 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:37,396 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:37,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 12:51:37,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:37,601 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 12:51:37,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:37,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1273651034, now seen corresponding path program 1 times [2024-10-13 12:51:37,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:37,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199684700] [2024-10-13 12:51:37,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:37,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2024-10-13 12:51:37,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:37,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199684700] [2024-10-13 12:51:37,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199684700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:37,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:51:37,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:51:37,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209633710] [2024-10-13 12:51:37,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:37,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:51:37,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:37,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:51:37,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:37,734 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-13 12:51:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:37,751 INFO L93 Difference]: Finished difference Result 133 states and 153 transitions. [2024-10-13 12:51:37,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:51:37,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2024-10-13 12:51:37,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:37,752 INFO L225 Difference]: With dead ends: 133 [2024-10-13 12:51:37,752 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 12:51:37,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:37,754 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:37,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:51:37,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 12:51:37,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 12:51:37,755 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) [2024-10-13 12:51:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 12:51:37,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2024-10-13 12:51:37,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:37,755 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 12:51:37,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-13 12:51:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 12:51:37,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 12:51:37,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-10-13 12:51:37,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-10-13 12:51:37,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-10-13 12:51:37,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-10-13 12:51:37,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-10-13 12:51:37,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-10-13 12:51:37,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 12:51:37,762 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-10-13 12:51:37,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 12:51:37,801 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:51:37,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:51:37 BoogieIcfgContainer [2024-10-13 12:51:37,815 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:51:37,815 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:51:37,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:51:37,816 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:51:37,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:32" (3/4) ... [2024-10-13 12:51:37,818 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:51:37,826 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-13 12:51:37,826 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 12:51:37,826 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 12:51:37,826 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:51:37,916 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:51:37,916 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:51:37,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:51:37,917 INFO L158 Benchmark]: Toolchain (without parser) took 6386.98ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 104.0MB in the beginning and 114.7MB in the end (delta: -10.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-10-13 12:51:37,917 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:51:37,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.34ms. Allocated memory is still 148.9MB. Free memory was 103.5MB in the beginning and 92.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 12:51:37,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.74ms. Allocated memory is still 148.9MB. Free memory was 91.5MB in the beginning and 90.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:51:37,917 INFO L158 Benchmark]: Boogie Preprocessor took 44.45ms. Allocated memory is still 148.9MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:51:37,918 INFO L158 Benchmark]: RCFGBuilder took 327.73ms. Allocated memory is still 148.9MB. Free memory was 88.3MB in the beginning and 112.5MB in the end (delta: -24.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 12:51:37,918 INFO L158 Benchmark]: TraceAbstraction took 5612.18ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 111.9MB in the beginning and 118.9MB in the end (delta: -7.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-10-13 12:51:37,918 INFO L158 Benchmark]: Witness Printer took 100.84ms. Allocated memory is still 186.6MB. Free memory was 118.9MB in the beginning and 114.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:51:37,920 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.34ms. Allocated memory is still 148.9MB. Free memory was 103.5MB in the beginning and 92.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.74ms. Allocated memory is still 148.9MB. Free memory was 91.5MB in the beginning and 90.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.45ms. Allocated memory is still 148.9MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.73ms. Allocated memory is still 148.9MB. Free memory was 88.3MB in the beginning and 112.5MB in the end (delta: -24.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5612.18ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 111.9MB in the beginning and 118.9MB in the end (delta: -7.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Witness Printer took 100.84ms. Allocated memory is still 186.6MB. Free memory was 118.9MB in the beginning and 114.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: 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 1 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 10, TraceHistogramMax: 18, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 214 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 214 mSDsluCounter, 413 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 287 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 469 IncrementalHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 126 mSDtfsCounter, 469 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=8, InterpolantAutomatonStates: 87, 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, 10 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 730 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 837 ConstructedInterpolants, 0 QuantifiedInterpolants, 1321 SizeOfPredicates, 0 NumberOfNonLiveVariables, 671 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 2788/3769 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (0 < (2147483649 + x)) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-13 12:51:37,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE