/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-dietlibc/atoll.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:10:52,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:10:52,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:10:53,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:10:53,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:10:53,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:10:53,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:10:53,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:10:53,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:10:53,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:10:53,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:10:53,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:10:53,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:10:53,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:10:53,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:10:53,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:10:53,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:10:53,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:10:53,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:10:53,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:10:53,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:10:53,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:10:53,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:10:53,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:10:53,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 17:10:53,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:10:53,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:10:53,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:10:53,097 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 17:10:53,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:10:53,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:10:53,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:10:53,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:10:53,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:10:53,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:10:53,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:10:53,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:10:53,149 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:10:53,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:10:53,149 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:10:53,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:10:53,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:10:53,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:10:53,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:10:53,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:10:53,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:10:53,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:10:53,151 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:10:53,151 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:10:53,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:10:53,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:10:53,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:10:53,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:10:53,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:10:53,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:10:53,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:10:53,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:10:53,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:10:53,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:10:53,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:10:53,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:10:53,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:10:53,154 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:10:53,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:10:53,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:10:53,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:10:53,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:10:53,571 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:10:53,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/atoll.i [2022-10-16 17:10:53,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d009835/25295071051949c0ae1f5c0004dbd255/FLAG6dace5f79 [2022-10-16 17:10:54,340 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:10:54,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/atoll.i [2022-10-16 17:10:54,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d009835/25295071051949c0ae1f5c0004dbd255/FLAG6dace5f79 [2022-10-16 17:10:54,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d009835/25295071051949c0ae1f5c0004dbd255 [2022-10-16 17:10:54,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:10:54,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:10:54,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:10:54,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:10:54,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:10:54,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:10:54" (1/1) ... [2022-10-16 17:10:54,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ef9a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:54, skipping insertion in model container [2022-10-16 17:10:54,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:10:54" (1/1) ... [2022-10-16 17:10:54,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:10:54,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:10:55,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:10:55,159 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:10:55,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:10:55,288 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:10:55,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55 WrapperNode [2022-10-16 17:10:55,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:10:55,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:10:55,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:10:55,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:10:55,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,375 INFO L138 Inliner]: procedures = 112, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-10-16 17:10:55,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:10:55,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:10:55,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:10:55,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:10:55,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:10:55,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:10:55,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:10:55,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:10:55,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (1/1) ... [2022-10-16 17:10:55,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:10:55,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:10:55,510 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 17:10:55,534 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 17:10:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 17:10:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 17:10:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 17:10:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 17:10:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:10:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:10:55,716 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:10:55,718 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:10:55,949 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:10:55,957 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:10:55,958 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 17:10:55,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:10:55 BoogieIcfgContainer [2022-10-16 17:10:55,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:10:55,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:10:55,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:10:55,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:10:55,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:10:54" (1/3) ... [2022-10-16 17:10:55,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5fe45c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:10:55, skipping insertion in model container [2022-10-16 17:10:55,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:10:55" (2/3) ... [2022-10-16 17:10:55,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5fe45c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:10:55, skipping insertion in model container [2022-10-16 17:10:55,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:10:55" (3/3) ... [2022-10-16 17:10:55,972 INFO L112 eAbstractionObserver]: Analyzing ICFG atoll.i [2022-10-16 17:10:55,999 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:10:56,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 17:10:56,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:10:56,132 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;@7ddbc9cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:10:56,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 17:10:56,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 32 states have (on average 1.71875) internal successors, (55), 46 states have internal predecessors, (55), 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 17:10:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 17:10:56,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:56,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 17:10:56,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 17:10:56,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:56,168 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2022-10-16 17:10:56,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:56,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006559535] [2022-10-16 17:10:56,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:56,493 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 17:10:56,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:56,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006559535] [2022-10-16 17:10:56,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006559535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:56,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:56,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:10:56,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357132678] [2022-10-16 17:10:56,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:56,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:10:56,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:56,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:10:56,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:56,544 INFO L87 Difference]: Start difference. First operand has 47 states, 32 states have (on average 1.71875) internal successors, (55), 46 states have internal predecessors, (55), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 17:10:56,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:56,583 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2022-10-16 17:10:56,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:10:56,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-10-16 17:10:56,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:56,596 INFO L225 Difference]: With dead ends: 85 [2022-10-16 17:10:56,596 INFO L226 Difference]: Without dead ends: 41 [2022-10-16 17:10:56,600 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 17:10:56,606 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 49 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:56,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:56,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-10-16 17:10:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-10-16 17:10:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 40 states have internal predecessors, (45), 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 17:10:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-10-16 17:10:56,653 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 4 [2022-10-16 17:10:56,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:56,653 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-10-16 17:10:56,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 17:10:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-10-16 17:10:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 17:10:56,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:56,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 17:10:56,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:10:56,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 17:10:56,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:56,657 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2022-10-16 17:10:56,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:56,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610842947] [2022-10-16 17:10:56,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:10:56,718 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 17:10:56,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:10:56,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610842947] [2022-10-16 17:10:56,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610842947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:10:56,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:10:56,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:10:56,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426075622] [2022-10-16 17:10:56,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:10:56,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:10:56,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:56,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:10:56,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:10:56,724 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 17:10:56,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:10:56,753 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-10-16 17:10:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:10:56,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-10-16 17:10:56,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:10:56,756 INFO L225 Difference]: With dead ends: 41 [2022-10-16 17:10:56,757 INFO L226 Difference]: Without dead ends: 40 [2022-10-16 17:10:56,757 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 17:10:56,760 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 40 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:10:56,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 43 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:10:56,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-10-16 17:10:56,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-10-16 17:10:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 39 states have internal predecessors, (44), 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 17:10:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-10-16 17:10:56,783 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 5 [2022-10-16 17:10:56,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:10:56,784 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-10-16 17:10:56,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 17:10:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-10-16 17:10:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 17:10:56,788 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:10:56,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:10:56,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:10:56,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 17:10:56,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:10:56,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2114146905, now seen corresponding path program 1 times [2022-10-16 17:10:56,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:10:56,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285213055] [2022-10-16 17:10:56,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:10:56,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:10:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 17:10:56,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 17:10:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 17:10:56,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 17:10:56,943 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 17:10:56,945 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-10-16 17:10:56,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-10-16 17:10:56,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-10-16 17:10:56,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-10-16 17:10:56,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-10-16 17:10:56,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-10-16 17:10:56,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-10-16 17:10:56,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-10-16 17:10:56,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-10-16 17:10:56,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-10-16 17:10:56,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-10-16 17:10:56,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-10-16 17:10:56,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-10-16 17:10:56,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-10-16 17:10:56,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:10:56,978 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-16 17:10:56,988 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 17:10:57,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:10:57 BoogieIcfgContainer [2022-10-16 17:10:57,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 17:10:57,041 INFO L158 Benchmark]: Toolchain (without parser) took 2371.05ms. Allocated memory is still 170.9MB. Free memory was 143.6MB in the beginning and 147.0MB in the end (delta: -3.4MB). Peak memory consumption was 40.5MB. Max. memory is 8.0GB. [2022-10-16 17:10:57,041 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 17:10:57,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.39ms. Allocated memory is still 170.9MB. Free memory was 143.5MB in the beginning and 128.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-10-16 17:10:57,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.81ms. Allocated memory is still 170.9MB. Free memory was 128.1MB in the beginning and 126.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 17:10:57,043 INFO L158 Benchmark]: Boogie Preprocessor took 81.26ms. Allocated memory is still 170.9MB. Free memory was 126.1MB in the beginning and 151.1MB in the end (delta: -25.0MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. [2022-10-16 17:10:57,044 INFO L158 Benchmark]: RCFGBuilder took 499.72ms. Allocated memory is still 170.9MB. Free memory was 150.7MB in the beginning and 138.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-10-16 17:10:57,044 INFO L158 Benchmark]: TraceAbstraction took 1075.99ms. Allocated memory is still 170.9MB. Free memory was 137.5MB in the beginning and 147.0MB in the end (delta: -9.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-10-16 17:10:57,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 610.39ms. Allocated memory is still 170.9MB. Free memory was 143.5MB in the beginning and 128.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 85.81ms. Allocated memory is still 170.9MB. Free memory was 128.1MB in the beginning and 126.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.26ms. Allocated memory is still 170.9MB. Free memory was 126.1MB in the beginning and 151.1MB in the end (delta: -25.0MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. * RCFGBuilder took 499.72ms. Allocated memory is still 170.9MB. Free memory was 150.7MB in the beginning and 138.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1075.99ms. Allocated memory is still 170.9MB. Free memory was 137.5MB in the beginning and 147.0MB in the end (delta: -9.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 514]: integer overflow possible integer overflow possible We found a FailurePath: [L520] int in_len = __VERIFIER_nondet_int(); [L521] COND FALSE !(in_len < 1) [L522] char* in = __builtin_alloca (in_len); VAL [__builtin_alloca (in_len)={2:0}, in={2:0}, in_len=4] [L523] EXPR in_len-1 [L523] in[in_len-1]=0 [L524] CALL atoll(in) [L507] long long int v=0; [L508] int sign=1; VAL [s={2:0}, s={2:0}, sign=1, v=0] [L509] EXPR \read(*s) VAL [\read(*s)=45, s={2:0}, s={2:0}, sign=1, v=0] [L509] COND FALSE !(*s == ' ') [L510] \read(*s) [L511] case '-': [L511] sign=-1 VAL [\read(*s)=45, s={2:0}, s={2:0}, sign=-1, v=0] [L512] case '+': [L512] ++s VAL [\read(*s)=45, s={2:1}, s={2:0}, sign=-1, v=0] [L514] EXPR \read(*s) VAL [\read(*s)=2147483696, s={2:1}, s={2:0}, sign=-1, v=0] [L514] *s-'0' VAL [\read(*s)=2147483696, s={2:1}, s={2:0}, sign=-1, v=0] - UnprovableResult [Line: 523]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 523]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 514]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 514]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 514]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 515]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 515]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 515]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 515]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 515]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 515]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 517]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 517]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 89 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2022-10-16 17:10:57,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...