/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:54:54,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:54:54,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:54:54,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:54:54,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:54:54,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:54:54,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:54:54,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:54:54,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:54:54,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:54:54,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:54:54,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:54:54,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:54:54,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:54:54,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:54:54,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:54:54,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:54:54,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:54:54,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:54:54,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:54:54,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:54:54,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:54:54,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:54:54,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:54:54,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 17:54:54,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:54:54,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:54:54,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:54:54,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 17:54:54,349 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:54:54,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:54:54,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:54:54,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:54:54,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:54:54,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:54:54,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:54:54,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:54:54,357 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:54:54,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:54:54,358 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:54:54,358 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:54:54,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:54:54,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:54:54,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:54:54,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:54:54,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:54:54,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:54:54,360 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:54:54,360 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:54:54,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:54:54,360 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:54:54,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:54:54,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:54:54,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:54:54,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:54:54,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:54:54,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:54:54,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:54:54,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:54:54,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:54:54,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:54:54,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:54:54,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:54:54,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:54:54,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:54:54,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:54:54,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:54:54,872 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:54:54,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2022-10-16 17:54:54,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96aa880e2/19ca6bf2690e4d2a96d14cb5cb5770c8/FLAGd499f8d8c [2022-10-16 17:54:55,695 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:54:55,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2022-10-16 17:54:55,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96aa880e2/19ca6bf2690e4d2a96d14cb5cb5770c8/FLAGd499f8d8c [2022-10-16 17:54:55,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96aa880e2/19ca6bf2690e4d2a96d14cb5cb5770c8 [2022-10-16 17:54:55,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:54:55,953 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:54:55,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:54:55,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:54:55,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:54:55,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:54:55" (1/1) ... [2022-10-16 17:54:55,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71faa181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:55, skipping insertion in model container [2022-10-16 17:54:55,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:54:55" (1/1) ... [2022-10-16 17:54:55,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:54:56,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:54:56,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:54:56,339 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:54:56,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:54:56,453 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:54:56,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56 WrapperNode [2022-10-16 17:54:56,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:54:56,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:54:56,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:54:56,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:54:56,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,501 INFO L138 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-10-16 17:54:56,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:54:56,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:54:56,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:54:56,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:54:56,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:54:56,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:54:56,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:54:56,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:54:56,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (1/1) ... [2022-10-16 17:54:56,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:54:56,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:54:56,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 17:54:56,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 17:54:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 17:54:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 17:54:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 17:54:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 17:54:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:54:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:54:56,805 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:54:56,807 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:54:57,064 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:54:57,072 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:54:57,072 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 17:54:57,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:54:57 BoogieIcfgContainer [2022-10-16 17:54:57,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:54:57,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:54:57,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:54:57,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:54:57,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:54:55" (1/3) ... [2022-10-16 17:54:57,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1022f14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:54:57, skipping insertion in model container [2022-10-16 17:54:57,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:54:56" (2/3) ... [2022-10-16 17:54:57,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1022f14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:54:57, skipping insertion in model container [2022-10-16 17:54:57,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:54:57" (3/3) ... [2022-10-16 17:54:57,085 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcpy-alloca-2.i [2022-10-16 17:54:57,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:54:57,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 17:54:57,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:54:57,184 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@f893e94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:54:57,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 17:54:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 states have internal predecessors, (20), 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) [2022-10-16 17:54:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 17:54:57,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:54:57,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 17:54:57,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 17:54:57,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:54:57,208 INFO L85 PathProgramCache]: Analyzing trace with hash 889510858, now seen corresponding path program 1 times [2022-10-16 17:54:57,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:54:57,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820097226] [2022-10-16 17:54:57,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:54:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:54:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:54:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:54:57,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:54:57,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820097226] [2022-10-16 17:54:57,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820097226] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:54:57,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:54:57,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:54:57,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305635266] [2022-10-16 17:54:57,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:54:57,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:54:57,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:54:57,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:54:57,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:54:57,649 INFO L87 Difference]: Start difference. First operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 states have internal predecessors, (20), 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 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2022-10-16 17:54:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:54:57,716 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2022-10-16 17:54:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:54:57,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 [2022-10-16 17:54:57,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:54:57,729 INFO L225 Difference]: With dead ends: 32 [2022-10-16 17:54:57,729 INFO L226 Difference]: Without dead ends: 12 [2022-10-16 17:54:57,733 INFO L412 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 [2022-10-16 17:54:57,737 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 11 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:54:57,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 24 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:54:57,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-10-16 17:54:57,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-10-16 17:54:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-10-16 17:54:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2022-10-16 17:54:57,776 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2022-10-16 17:54:57,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:54:57,776 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-10-16 17:54:57,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2022-10-16 17:54:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-10-16 17:54:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 17:54:57,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:54:57,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 17:54:57,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:54:57,778 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 17:54:57,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:54:57,779 INFO L85 PathProgramCache]: Analyzing trace with hash 889512780, now seen corresponding path program 1 times [2022-10-16 17:54:57,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:54:57,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150176931] [2022-10-16 17:54:57,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:54:57,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:54:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:54:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:54:57,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:54:57,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150176931] [2022-10-16 17:54:57,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150176931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:54:57,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:54:57,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:54:57,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623753918] [2022-10-16 17:54:57,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:54:57,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:54:57,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:54:57,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:54:57,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:54:57,899 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2022-10-16 17:54:57,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:54:57,923 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2022-10-16 17:54:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:54:57,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 [2022-10-16 17:54:57,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:54:57,925 INFO L225 Difference]: With dead ends: 11 [2022-10-16 17:54:57,925 INFO L226 Difference]: Without dead ends: 10 [2022-10-16 17:54:57,926 INFO L412 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 [2022-10-16 17:54:57,927 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:54:57,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:54:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-10-16 17:54:57,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2022-10-16 17:54:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2022-10-16 17:54:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-10-16 17:54:57,933 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2022-10-16 17:54:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:54:57,933 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-10-16 17:54:57,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2022-10-16 17:54:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-10-16 17:54:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 17:54:57,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:54:57,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:54:57,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:54:57,935 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 17:54:57,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:54:57,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1805032875, now seen corresponding path program 1 times [2022-10-16 17:54:57,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:54:57,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707937969] [2022-10-16 17:54:57,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:54:57,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:54:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:54:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:54:57,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:54:57,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707937969] [2022-10-16 17:54:57,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707937969] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:54:57,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:54:57,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:54:57,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580070348] [2022-10-16 17:54:57,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:54:57,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:54:57,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:54:57,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:54:57,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:54:57,997 INFO L87 Difference]: Start difference. First operand 8 states and 9 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) [2022-10-16 17:54:58,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:54:58,006 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2022-10-16 17:54:58,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:54:58,007 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 [2022-10-16 17:54:58,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:54:58,007 INFO L225 Difference]: With dead ends: 8 [2022-10-16 17:54:58,007 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 17:54:58,008 INFO L412 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 [2022-10-16 17:54:58,010 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:54:58,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:54:58,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 17:54:58,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 17:54:58,012 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) [2022-10-16 17:54:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 17:54:58,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2022-10-16 17:54:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:54:58,013 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 17:54:58,013 INFO L496 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) [2022-10-16 17:54:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 17:54:58,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 17:54:58,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-10-16 17:54:58,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-10-16 17:54:58,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:54:58,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 17:54:58,030 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 567) no Hoare annotation was computed. [2022-10-16 17:54:58,030 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 17:54:58,031 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 560) no Hoare annotation was computed. [2022-10-16 17:54:58,031 INFO L899 garLoopResultBuilder]: For program point L558-2(lines 555 570) no Hoare annotation was computed. [2022-10-16 17:54:58,031 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 17:54:58,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 567) no Hoare annotation was computed. [2022-10-16 17:54:58,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 17:54:58,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 17:54:58,032 INFO L902 garLoopResultBuilder]: At program point L569(lines 555 570) the Hoare annotation is: true [2022-10-16 17:54:58,032 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-10-16 17:54:58,032 INFO L899 garLoopResultBuilder]: For program point L567-1(line 567) no Hoare annotation was computed. [2022-10-16 17:54:58,033 INFO L899 garLoopResultBuilder]: For program point L561-1(lines 555 570) no Hoare annotation was computed. [2022-10-16 17:54:58,033 INFO L902 garLoopResultBuilder]: At program point L553(lines 547 554) the Hoare annotation is: true [2022-10-16 17:54:58,033 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 551 552) no Hoare annotation was computed. [2022-10-16 17:54:58,033 INFO L902 garLoopResultBuilder]: At program point L551-3(lines 551 552) the Hoare annotation is: true [2022-10-16 17:54:58,033 INFO L899 garLoopResultBuilder]: For program point L551-4(lines 551 552) no Hoare annotation was computed. [2022-10-16 17:54:58,038 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-16 17:54:58,041 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 17:54:58,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:54:58 BoogieIcfgContainer [2022-10-16 17:54:58,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 17:54:58,053 INFO L158 Benchmark]: Toolchain (without parser) took 2104.13ms. Allocated memory is still 157.3MB. Free memory was 131.1MB in the beginning and 99.5MB in the end (delta: 31.5MB). Peak memory consumption was 32.2MB. Max. memory is 8.0GB. [2022-10-16 17:54:58,054 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 17:54:58,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.94ms. Allocated memory is still 157.3MB. Free memory was 130.8MB in the beginning and 115.7MB in the end (delta: 15.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-16 17:54:58,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.14ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 113.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 17:54:58,056 INFO L158 Benchmark]: Boogie Preprocessor took 28.87ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 17:54:58,056 INFO L158 Benchmark]: RCFGBuilder took 543.08ms. Allocated memory is still 157.3MB. Free memory was 112.5MB in the beginning and 135.2MB in the end (delta: -22.7MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-10-16 17:54:58,057 INFO L158 Benchmark]: TraceAbstraction took 975.14ms. Allocated memory is still 157.3MB. Free memory was 134.1MB in the beginning and 99.5MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-10-16 17:54:58,060 INFO L339 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 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 499.94ms. Allocated memory is still 157.3MB. Free memory was 130.8MB in the beginning and 115.7MB in the end (delta: 15.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.14ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 113.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.87ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 543.08ms. Allocated memory is still 157.3MB. Free memory was 112.5MB in the beginning and 135.2MB in the end (delta: -22.7MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * TraceAbstraction took 975.14ms. Allocated memory is still 157.3MB. Free memory was 134.1MB in the beginning and 99.5MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * 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: 567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 567]: 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 24 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 2 specifications checked. All of them hold - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-16 17:54:58,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...