./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer --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 0233d496bfaf5cb1311bfa260a57f41458184795 ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:08:35,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:08:35,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:08:35,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:08:35,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:08:35,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:08:35,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:08:35,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:08:35,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:08:35,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:08:35,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:08:35,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:08:35,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:08:35,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:08:35,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:08:35,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:08:35,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:08:35,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:08:35,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:08:35,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:08:35,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:08:35,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:08:35,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:08:35,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:08:35,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:08:35,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:08:35,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:08:35,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:08:35,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:08:35,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:08:35,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:08:35,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:08:35,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:08:35,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:08:35,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:08:35,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:08:35,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:08:35,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:08:35,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:08:35,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:08:35,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:08:35,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-12-07 14:08:35,272 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:08:35,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:08:35,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:08:35,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:08:35,273 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:08:35,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:08:35,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:08:35,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:08:35,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:08:35,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:08:35,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:08:35,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:08:35,274 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 14:08:35,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:08:35,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:08:35,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:08:35,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:08:35,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:08:35,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:08:35,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:08:35,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:08:35,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:08:35,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:08:35,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:08:35,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:08:35,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:08:35,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:08:35,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:08:35,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer 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 -> 0233d496bfaf5cb1311bfa260a57f41458184795 [2019-12-07 14:08:35,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:08:35,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:08:35,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:08:35,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:08:35,393 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:08:35,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2019-12-07 14:08:35,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/data/e9aa684de/b74e81acaf3e491991670b7f7cf38b81/FLAGbfd11412e [2019-12-07 14:08:35,842 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:08:35,842 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2019-12-07 14:08:35,846 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/data/e9aa684de/b74e81acaf3e491991670b7f7cf38b81/FLAGbfd11412e [2019-12-07 14:08:35,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/data/e9aa684de/b74e81acaf3e491991670b7f7cf38b81 [2019-12-07 14:08:35,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:08:35,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:08:35,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:08:35,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:08:35,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:08:35,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:08:35" (1/1) ... [2019-12-07 14:08:35,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce49fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:35, skipping insertion in model container [2019-12-07 14:08:35,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:08:35" (1/1) ... [2019-12-07 14:08:35,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:08:35,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:08:36,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:08:36,025 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:08:36,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:08:36,045 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:08:36,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36 WrapperNode [2019-12-07 14:08:36,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:08:36,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:08:36,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:08:36,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:08:36,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... [2019-12-07 14:08:36,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... [2019-12-07 14:08:36,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:08:36,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:08:36,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:08:36,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:08:36,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... [2019-12-07 14:08:36,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... [2019-12-07 14:08:36,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... [2019-12-07 14:08:36,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... [2019-12-07 14:08:36,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... [2019-12-07 14:08:36,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... [2019-12-07 14:08:36,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... [2019-12-07 14:08:36,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:08:36,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:08:36,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:08:36,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:08:36,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:08:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:08:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:08:36,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:08:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:08:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:08:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:08:36,244 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:08:36,244 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 14:08:36,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:08:36 BoogieIcfgContainer [2019-12-07 14:08:36,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:08:36,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:08:36,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:08:36,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:08:36,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:08:35" (1/3) ... [2019-12-07 14:08:36,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77235e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:08:36, skipping insertion in model container [2019-12-07 14:08:36,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:36" (2/3) ... [2019-12-07 14:08:36,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77235e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:08:36, skipping insertion in model container [2019-12-07 14:08:36,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:08:36" (3/3) ... [2019-12-07 14:08:36,250 INFO L109 eAbstractionObserver]: Analyzing ICFG 4BitCounterPointer.c [2019-12-07 14:08:36,256 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:08:36,260 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 14:08:36,268 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 14:08:36,282 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:08:36,282 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:08:36,282 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:08:36,282 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:08:36,282 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:08:36,282 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:08:36,282 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:08:36,282 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:08:36,291 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-12-07 14:08:36,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:08:36,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2019-12-07 14:08:36,327 INFO L249 CegarLoopResult]: At program point L33(lines 6 34) the Hoare annotation is: true [2019-12-07 14:08:36,328 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:08:36,328 INFO L246 CegarLoopResult]: For program point L15-1(lines 15 32) no Hoare annotation was computed. [2019-12-07 14:08:36,328 INFO L246 CegarLoopResult]: For program point L15-3(lines 15 32) no Hoare annotation was computed. [2019-12-07 14:08:36,328 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:08:36,328 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:08:36,328 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:08:36,328 INFO L246 CegarLoopResult]: For program point L24(lines 24 29) no Hoare annotation was computed. [2019-12-07 14:08:36,328 INFO L249 CegarLoopResult]: At program point L24-2(lines 15 32) the Hoare annotation is: true [2019-12-07 14:08:36,328 INFO L246 CegarLoopResult]: For program point L20(lines 20 30) no Hoare annotation was computed. [2019-12-07 14:08:36,329 INFO L246 CegarLoopResult]: For program point L16(lines 16 31) no Hoare annotation was computed. [2019-12-07 14:08:36,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:08:36 BoogieIcfgContainer [2019-12-07 14:08:36,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:08:36,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:08:36,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:08:36,337 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:08:36,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:08:36" (3/4) ... [2019-12-07 14:08:36,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:08:36,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 14:08:36,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 14:08:36,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:08:36,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_75e30001-9d12-4337-8ca2-a75b816d9641/bin/uautomizer/witness.graphml [2019-12-07 14:08:36,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:08:36,381 INFO L168 Benchmark]: Toolchain (without parser) took 522.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:08:36,382 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:08:36,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:08:36,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:08:36,382 INFO L168 Benchmark]: Boogie Preprocessor took 13.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:08:36,383 INFO L168 Benchmark]: RCFGBuilder took 163.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:08:36,383 INFO L168 Benchmark]: TraceAbstraction took 88.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:08:36,383 INFO L168 Benchmark]: Witness Printer took 43.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:08:36,385 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 163.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 88.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 43.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...