./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.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/Arrays02-EquivalentConstantIndices.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 072df04afae5ae28487e0b8208c52f13961dea34 ................................................................................................................................................................................................................................................................................................................................ 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 22:06:43,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 22:06:43,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 22:06:43,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 22:06:43,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 22:06:43,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 22:06:43,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 22:06:43,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 22:06:43,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 22:06:43,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 22:06:43,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 22:06:43,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 22:06:43,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 22:06:43,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 22:06:43,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 22:06:43,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 22:06:43,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 22:06:43,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 22:06:43,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 22:06:43,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 22:06:43,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 22:06:43,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 22:06:43,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 22:06:43,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 22:06:43,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 22:06:43,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 22:06:43,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 22:06:43,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 22:06:43,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 22:06:43,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 22:06:43,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 22:06:43,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 22:06:43,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 22:06:43,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 22:06:43,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 22:06:43,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 22:06:43,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 22:06:43,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 22:06:43,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 22:06:44,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 22:06:44,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 22:06:44,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-08-30 22:06:44,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 22:06:44,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 22:06:44,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 22:06:44,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 22:06:44,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 22:06:44,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 22:06:44,032 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 22:06:44,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 22:06:44,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 22:06:44,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 22:06:44,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 22:06:44,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 22:06:44,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 22:06:44,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 22:06:44,034 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-30 22:06:44,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 22:06:44,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 22:06:44,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 22:06:44,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 22:06:44,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 22:06:44,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 22:06:44,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:06:44,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 22:06:44,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 22:06:44,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 22:06:44,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 22:06:44,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 22:06:44,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 22:06:44,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 22:06:44,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 072df04afae5ae28487e0b8208c52f13961dea34 [2021-08-30 22:06:44,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 22:06:44,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 22:06:44,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 22:06:44,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 22:06:44,333 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 22:06:44,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2021-08-30 22:06:44,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3912e447/047d744810194d4689de2d550bab4876/FLAGa9e18a0ad [2021-08-30 22:06:44,698 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 22:06:44,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2021-08-30 22:06:44,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3912e447/047d744810194d4689de2d550bab4876/FLAGa9e18a0ad [2021-08-30 22:06:45,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3912e447/047d744810194d4689de2d550bab4876 [2021-08-30 22:06:45,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 22:06:45,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 22:06:45,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 22:06:45,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 22:06:45,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 22:06:45,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e46f5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45, skipping insertion in model container [2021-08-30 22:06:45,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 22:06:45,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 22:06:45,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:06:45,226 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 22:06:45,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:06:45,250 INFO L208 MainTranslator]: Completed translation [2021-08-30 22:06:45,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45 WrapperNode [2021-08-30 22:06:45,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 22:06:45,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 22:06:45,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 22:06:45,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 22:06:45,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 22:06:45,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 22:06:45,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 22:06:45,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 22:06:45,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 22:06:45,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 22:06:45,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 22:06:45,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 22:06:45,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (1/1) ... [2021-08-30 22:06:45,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:06:45,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:06:45,357 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 22:06:45,380 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 22:06:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-30 22:06:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 22:06:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 22:06:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-30 22:06:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 22:06:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 22:06:45,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 22:06:45,485 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-30 22:06:45,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:06:45 BoogieIcfgContainer [2021-08-30 22:06:45,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 22:06:45,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 22:06:45,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 22:06:45,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 22:06:45,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:06:45" (1/3) ... [2021-08-30 22:06:45,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@481f8b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:06:45, skipping insertion in model container [2021-08-30 22:06:45,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:06:45" (2/3) ... [2021-08-30 22:06:45,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@481f8b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:06:45, skipping insertion in model container [2021-08-30 22:06:45,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:06:45" (3/3) ... [2021-08-30 22:06:45,495 INFO L111 eAbstractionObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices.c [2021-08-30 22:06:45,500 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 22:06:45,500 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-30 22:06:45,541 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 22:06:45,548 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 22:06:45,548 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-30 22:06:45,558 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 22:06:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-08-30 22:06:45,562 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:06:45,562 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-08-30 22:06:45,563 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-08-30 22:06:45,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:06:45,567 INFO L82 PathProgramCache]: Analyzing trace with hash 28695845, now seen corresponding path program 1 times [2021-08-30 22:06:45,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:06:45,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196796193] [2021-08-30 22:06:45,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:06:45,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:06:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:06:45,746 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 22:06:45,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:06:45,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196796193] [2021-08-30 22:06:45,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196796193] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:06:45,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:06:45,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:06:45,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068217475] [2021-08-30 22:06:45,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-30 22:06:45,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:06:45,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-30 22:06:45,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 22:06:45,805 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 22:06:45,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:06:45,840 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-08-30 22:06:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-30 22:06:45,842 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 22:06:45,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:06:45,847 INFO L225 Difference]: With dead ends: 16 [2021-08-30 22:06:45,847 INFO L226 Difference]: Without dead ends: 7 [2021-08-30 22:06:45,850 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.68ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-30 22:06:45,852 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.45ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.53ms IncrementalHoareTripleChecker+Time [2021-08-30 22:06:45,853 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 24 Unknown, 0 Unchecked, 0.45ms Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 18.53ms Time] [2021-08-30 22:06:45,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-08-30 22:06:45,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-08-30 22:06:45,871 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 22:06:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-08-30 22:06:45,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2021-08-30 22:06:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:06:45,873 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-08-30 22:06:45,873 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 22:06:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-08-30 22:06:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-30 22:06:45,874 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:06:45,874 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-30 22:06:45,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-30 22:06:45,874 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-08-30 22:06:45,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:06:45,875 INFO L82 PathProgramCache]: Analyzing trace with hash 889571241, now seen corresponding path program 1 times [2021-08-30 22:06:45,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:06:45,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389593141] [2021-08-30 22:06:45,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:06:45,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:06:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:06:45,906 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 22:06:45,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:06:45,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389593141] [2021-08-30 22:06:45,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389593141] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:06:45,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:06:45,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:06:45,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91557246] [2021-08-30 22:06:45,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-30 22:06:45,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:06:45,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-30 22:06:45,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 22:06:45,909 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 22:06:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:06:45,920 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-08-30 22:06:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-30 22:06:45,920 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 22:06:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:06:45,920 INFO L225 Difference]: With dead ends: 7 [2021-08-30 22:06:45,921 INFO L226 Difference]: Without dead ends: 0 [2021-08-30 22:06:45,921 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.65ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 22:06:45,922 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.43ms 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, 9.31ms IncrementalHoareTripleChecker+Time [2021-08-30 22:06:45,922 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 15 Unknown, 0 Unchecked, 0.14ms Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 9.31ms Time] [2021-08-30 22:06:45,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-30 22:06:45,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-30 22:06:45,923 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 22:06:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-30 22:06:45,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-08-30 22:06:45,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:06:45,924 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-30 22:06:45,924 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 22:06:45,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-30 22:06:45,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-30 22:06:45,926 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2021-08-30 22:06:45,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2021-08-30 22:06:45,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-30 22:06:45,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-30 22:06:45,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:06:45,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 22:06:45,936 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2021-08-30 22:06:45,936 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-30 22:06:45,936 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-30 22:06:45,936 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2021-08-30 22:06:45,937 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-30 22:06:45,937 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-30 22:06:45,937 INFO L861 garLoopResultBuilder]: At program point L17(lines 8 18) the Hoare annotation is: true [2021-08-30 22:06:45,937 INFO L858 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2021-08-30 22:06:45,937 INFO L858 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2021-08-30 22:06:45,937 INFO L858 garLoopResultBuilder]: For program point L13-1(lines 13 16) no Hoare annotation was computed. [2021-08-30 22:06:45,938 INFO L854 garLoopResultBuilder]: At program point L13-3(lines 13 16) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| 8)) 2147483647) [2021-08-30 22:06:45,938 INFO L858 garLoopResultBuilder]: For program point L13-4(lines 13 16) no Hoare annotation was computed. [2021-08-30 22:06:45,941 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 22:06:45,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 10:06:45 BoogieIcfgContainer [2021-08-30 22:06:45,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 22:06:45,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 22:06:45,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 22:06:45,951 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 22:06:45,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:06:45" (3/4) ... [2021-08-30 22:06:45,953 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-30 22:06:45,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-30 22:06:45,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-08-30 22:06:45,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:06:45,978 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 22:06:45,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 22:06:45,979 INFO L158 Benchmark]: Toolchain (without parser) took 861.93ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 43.6MB in the beginning and 47.3MB in the end (delta: -3.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-08-30 22:06:45,979 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:06:45,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 131.88ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 34.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-30 22:06:45,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.18ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 46.4MB in the end (delta: -11.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-30 22:06:45,980 INFO L158 Benchmark]: Boogie Preprocessor took 29.34ms. Allocated memory is still 62.9MB. Free memory was 46.4MB in the beginning and 45.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:06:45,980 INFO L158 Benchmark]: RCFGBuilder took 155.73ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 37.6MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-30 22:06:45,981 INFO L158 Benchmark]: TraceAbstraction took 460.73ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 37.2MB in the beginning and 49.7MB in the end (delta: -12.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-08-30 22:06:45,981 INFO L158 Benchmark]: Witness Printer took 27.86ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 47.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:06:45,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 131.88ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 34.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.18ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 46.4MB in the end (delta: -11.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.34ms. Allocated memory is still 62.9MB. Free memory was 46.4MB in the beginning and 45.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 155.73ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 37.6MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 460.73ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 37.2MB in the beginning and 49.7MB in the end (delta: -12.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 27.86ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 47.3MB in the end (delta: 2.5MB). 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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: 400.29ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 6.08ms, AutomataDifference: 102.58ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 8.61ms, InitialAbstractionConstructionTime: 8.00ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 27.84ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 22.29ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 38 mSolverCounterSat, 0.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.34ms 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: 10.27ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 2.84ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.98ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 10.47ms SsaConstructionTime, 29.14ms SatisfiabilityAnalysisTime, 115.36ms InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 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: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[a][a + 8] <= 2147483647 RESULT: Ultimate proved your program to be correct! [2021-08-30 22:06:46,010 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...