./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0a93871a8dae316852c5fe296af5e1db1eea1d37 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 22:07:22,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 22:07:22,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 22:07:22,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 22:07:22,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 22:07:22,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 22:07:22,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 22:07:22,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 22:07:22,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 22:07:22,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 22:07:22,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 22:07:22,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 22:07:22,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 22:07:22,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 22:07:22,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 22:07:22,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 22:07:22,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 22:07:22,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 22:07:22,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 22:07:22,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 22:07:22,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 22:07:22,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 22:07:22,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 22:07:22,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 22:07:22,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 22:07:22,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 22:07:22,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 22:07:22,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 22:07:22,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 22:07:22,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 22:07:22,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 22:07:22,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 22:07:22,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 22:07:22,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 22:07:22,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 22:07:22,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 22:07:22,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 22:07:22,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 22:07:22,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 22:07:22,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 22:07:22,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 22:07:22,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-08-30 22:07:22,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 22:07:22,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 22:07:22,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 22:07:22,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 22:07:22,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 22:07:22,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 22:07:22,468 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 22:07:22,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 22:07:22,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 22:07:22,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 22:07:22,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 22:07:22,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 22:07:22,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 22:07:22,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 22:07:22,469 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-30 22:07:22,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 22:07:22,469 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 22:07:22,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 22:07:22,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 22:07:22,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 22:07:22,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 22:07:22,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:07:22,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 22:07:22,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 22:07:22,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 22:07:22,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 22:07:22,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 22:07:22,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 22:07:22,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 22:07:22,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2021-08-30 22:07:22,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 22:07:22,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 22:07:22,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 22:07:22,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 22:07:22,767 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 22:07:22,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2021-08-30 22:07:22,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6153501c8/da577288ce5749979f915c837822c9b7/FLAGdf63221cd [2021-08-30 22:07:23,156 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 22:07:23,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2021-08-30 22:07:23,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6153501c8/da577288ce5749979f915c837822c9b7/FLAGdf63221cd [2021-08-30 22:07:23,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6153501c8/da577288ce5749979f915c837822c9b7 [2021-08-30 22:07:23,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 22:07:23,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 22:07:23,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 22:07:23,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 22:07:23,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 22:07:23,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65982fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23, skipping insertion in model container [2021-08-30 22:07:23,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 22:07:23,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 22:07:23,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:07:23,746 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 22:07:23,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:07:23,763 INFO L208 MainTranslator]: Completed translation [2021-08-30 22:07:23,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23 WrapperNode [2021-08-30 22:07:23,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 22:07:23,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 22:07:23,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 22:07:23,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 22:07:23,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 22:07:23,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 22:07:23,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 22:07:23,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 22:07:23,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 22:07:23,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 22:07:23,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 22:07:23,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 22:07:23,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (1/1) ... [2021-08-30 22:07:23,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:07:23,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:07:23,852 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) [2021-08-30 22:07:23,868 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 [2021-08-30 22:07:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-30 22:07:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-30 22:07:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 22:07:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 22:07:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-30 22:07:23,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 22:07:23,985 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-30 22:07:23,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:07:23 BoogieIcfgContainer [2021-08-30 22:07:23,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 22:07:23,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 22:07:23,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 22:07:23,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 22:07:23,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:07:23" (1/3) ... [2021-08-30 22:07:23,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e3d9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:07:23, skipping insertion in model container [2021-08-30 22:07:23,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:23" (2/3) ... [2021-08-30 22:07:23,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e3d9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:07:23, skipping insertion in model container [2021-08-30 22:07:23,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:07:23" (3/3) ... [2021-08-30 22:07:23,993 INFO L111 eAbstractionObserver]: Analyzing ICFG SyntaxSupportPointer01-2.c [2021-08-30 22:07:23,999 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 22:07:23,999 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-30 22:07:24,036 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 22:07:24,046 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-08-30 22:07:24,046 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-30 22:07:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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) [2021-08-30 22:07:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-08-30 22:07:24,061 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:24,061 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-08-30 22:07:24,062 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-08-30 22:07:24,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:24,065 INFO L82 PathProgramCache]: Analyzing trace with hash 28695845, now seen corresponding path program 1 times [2021-08-30 22:07:24,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:24,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650238991] [2021-08-30 22:07:24,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:24,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:07:24,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:07:24,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:07:24,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650238991] [2021-08-30 22:07:24,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650238991] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:07:24,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:07:24,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:07:24,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424320467] [2021-08-30 22:07:24,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-30 22:07:24,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:07:24,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-30 22:07:24,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 22:07:24,251 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2021-08-30 22:07:24,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:07:24,283 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-08-30 22:07:24,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-30 22:07:24,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2021-08-30 22:07:24,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:07:24,289 INFO L225 Difference]: With dead ends: 16 [2021-08-30 22:07:24,289 INFO L226 Difference]: Without dead ends: 7 [2021-08-30 22:07:24,291 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.94ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-30 22:07:24,293 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.36ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.14ms IncrementalHoareTripleChecker+Time [2021-08-30 22:07:24,294 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 21 Unknown, 0 Unchecked, 0.36ms Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 17.14ms Time] [2021-08-30 22:07:24,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-08-30 22:07:24,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-08-30 22:07:24,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2021-08-30 22:07:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-08-30 22:07:24,311 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2021-08-30 22:07:24,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:07:24,311 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-08-30 22:07:24,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2021-08-30 22:07:24,312 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-08-30 22:07:24,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-30 22:07:24,312 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:24,312 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-30 22:07:24,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-30 22:07:24,312 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-08-30 22:07:24,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:24,313 INFO L82 PathProgramCache]: Analyzing trace with hash 889571241, now seen corresponding path program 1 times [2021-08-30 22:07:24,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:24,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731974609] [2021-08-30 22:07:24,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:24,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:07:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:07:24,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:07:24,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731974609] [2021-08-30 22:07:24,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731974609] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:07:24,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:07:24,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:07:24,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392624095] [2021-08-30 22:07:24,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-30 22:07:24,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:07:24,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-30 22:07:24,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 22:07:24,346 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2021-08-30 22:07:24,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:07:24,358 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-08-30 22:07:24,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-30 22:07:24,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2021-08-30 22:07:24,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:07:24,359 INFO L225 Difference]: With dead ends: 7 [2021-08-30 22:07:24,359 INFO L226 Difference]: Without dead ends: 0 [2021-08-30 22:07:24,359 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.70ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 22:07:24,360 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.54ms IncrementalHoareTripleChecker+Time [2021-08-30 22:07:24,361 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 15 Unknown, 0 Unchecked, 0.14ms Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 10.54ms Time] [2021-08-30 22:07:24,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-30 22:07:24,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-30 22:07:24,361 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) [2021-08-30 22:07:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-30 22:07:24,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-08-30 22:07:24,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:07:24,362 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-30 22:07:24,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2021-08-30 22:07:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-30 22:07:24,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-30 22:07:24,364 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2021-08-30 22:07:24,365 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2021-08-30 22:07:24,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-30 22:07:24,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-30 22:07:24,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:07:24,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:07:24,374 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2021-08-30 22:07:24,374 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-30 22:07:24,374 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-30 22:07:24,375 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2021-08-30 22:07:24,375 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-30 22:07:24,375 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-30 22:07:24,375 INFO L854 garLoopResultBuilder]: At program point L18(lines 12 19) the Hoare annotation is: (<= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 2147483647) [2021-08-30 22:07:24,375 INFO L858 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2021-08-30 22:07:24,375 INFO L858 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2021-08-30 22:07:24,376 INFO L858 garLoopResultBuilder]: For program point L15-1(lines 15 17) no Hoare annotation was computed. [2021-08-30 22:07:24,376 INFO L854 garLoopResultBuilder]: At program point L15-3(lines 15 17) the Hoare annotation is: (<= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 2147483647) [2021-08-30 22:07:24,376 INFO L858 garLoopResultBuilder]: For program point L15-4(lines 15 17) no Hoare annotation was computed. [2021-08-30 22:07:24,379 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 22:07:24,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 10:07:24 BoogieIcfgContainer [2021-08-30 22:07:24,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 22:07:24,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 22:07:24,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 22:07:24,389 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 22:07:24,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:07:23" (3/4) ... [2021-08-30 22:07:24,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-30 22:07:24,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-30 22:07:24,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-08-30 22:07:24,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:07:24,418 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 22:07:24,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 22:07:24,419 INFO L158 Benchmark]: Toolchain (without parser) took 813.43ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 29.7MB in the beginning and 40.2MB in the end (delta: -10.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-08-30 22:07:24,419 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 52.4MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:07:24,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.92ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 29.5MB in the beginning and 55.3MB in the end (delta: -25.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-08-30 22:07:24,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.06ms. Allocated memory is still 75.5MB. Free memory was 55.3MB in the beginning and 53.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:07:24,421 INFO L158 Benchmark]: Boogie Preprocessor took 46.00ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 59.1MB in the end (delta: -5.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2021-08-30 22:07:24,422 INFO L158 Benchmark]: RCFGBuilder took 155.84ms. Allocated memory is still 75.5MB. Free memory was 59.1MB in the beginning and 51.1MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-30 22:07:24,422 INFO L158 Benchmark]: TraceAbstraction took 399.85ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 42.7MB in the end (delta: 8.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-08-30 22:07:24,423 INFO L158 Benchmark]: Witness Printer took 29.64ms. Allocated memory is still 75.5MB. Free memory was 42.7MB in the beginning and 40.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:07:24,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 52.4MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.92ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 29.5MB in the beginning and 55.3MB in the end (delta: -25.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.06ms. Allocated memory is still 75.5MB. Free memory was 55.3MB in the beginning and 53.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.00ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 59.1MB in the end (delta: -5.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * RCFGBuilder took 155.84ms. Allocated memory is still 75.5MB. Free memory was 59.1MB in the beginning and 51.1MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 399.85ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 42.7MB in the end (delta: 8.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 29.64ms. Allocated memory is still 75.5MB. Free memory was 42.7MB in the beginning and 40.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 343.97ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 8.10ms, AutomataDifference: 77.36ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 8.80ms, InitialAbstractionConstructionTime: 6.72ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 27.69ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 22.04ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 35 mSolverCounterSat, 0.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.64ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 8.88ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 14 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 2.29ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.88ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 7.05ms SsaConstructionTime, 29.80ms SatisfiabilityAnalysisTime, 106.45ms InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[p][p] <= 2147483647 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[p][p] <= 2147483647 RESULT: Ultimate proved your program to be correct! [2021-08-30 22:07:24,458 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...