./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_overflow_true-termination.c_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_overflow_true-termination.c_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8f9d6dff962c1f511785f72ad5dc5ece1495e04 ............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:30:51,161 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:30:51,162 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:30:51,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:30:51,169 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:30:51,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:30:51,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:30:51,172 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:30:51,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:30:51,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:30:51,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:30:51,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:30:51,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:30:51,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:30:51,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:30:51,176 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:30:51,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:30:51,177 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:30:51,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:30:51,179 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:30:51,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:30:51,180 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:30:51,181 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:30:51,182 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:30:51,182 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:30:51,182 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:30:51,183 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:30:51,184 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:30:51,184 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:30:51,185 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:30:51,185 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:30:51,186 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:30:51,186 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:30:51,186 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:30:51,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:30:51,187 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:30:51,187 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 22:30:51,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:30:51,195 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:30:51,195 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:30:51,195 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:30:51,195 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:30:51,196 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:30:51,196 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:30:51,196 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:30:51,196 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:30:51,196 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:30:51,196 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:30:51,196 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:30:51,197 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:30:51,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:30:51,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:30:51,198 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:30:51,198 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:30:51,198 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 22:30:51,198 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:30:51,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:30:51,198 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8f9d6dff962c1f511785f72ad5dc5ece1495e04 [2018-11-22 22:30:51,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:30:51,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:30:51,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:30:51,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:30:51,231 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:30:51,232 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/test_overflow_true-termination.c_true-unreach-call.i [2018-11-22 22:30:51,268 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/data/df2e22086/101d9d365bb544a6bc4b1010ec328a88/FLAG90179e3d1 [2018-11-22 22:30:51,722 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:30:51,723 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/sv-benchmarks/c/ldv-regression/test_overflow_true-termination.c_true-unreach-call.i [2018-11-22 22:30:51,732 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/data/df2e22086/101d9d365bb544a6bc4b1010ec328a88/FLAG90179e3d1 [2018-11-22 22:30:51,743 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/data/df2e22086/101d9d365bb544a6bc4b1010ec328a88 [2018-11-22 22:30:51,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:30:51,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:30:51,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:30:51,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:30:51,749 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:30:51,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:30:51" (1/1) ... [2018-11-22 22:30:51,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28603259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51, skipping insertion in model container [2018-11-22 22:30:51,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:30:51" (1/1) ... [2018-11-22 22:30:51,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:30:51,787 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:30:52,011 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:30:52,015 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:30:52,045 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:30:52,158 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:30:52,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52 WrapperNode [2018-11-22 22:30:52,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:30:52,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:30:52,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:30:52,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:30:52,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... [2018-11-22 22:30:52,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... [2018-11-22 22:30:52,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:30:52,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:30:52,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:30:52,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:30:52,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... [2018-11-22 22:30:52,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... [2018-11-22 22:30:52,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... [2018-11-22 22:30:52,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... [2018-11-22 22:30:52,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... [2018-11-22 22:30:52,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... [2018-11-22 22:30:52,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... [2018-11-22 22:30:52,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:30:52,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:30:52,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:30:52,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:30:52,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/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 [2018-11-22 22:30:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure getService [2018-11-22 22:30:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getService [2018-11-22 22:30:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:30:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:30:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:30:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:30:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:30:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-22 22:30:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-22 22:30:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:30:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:30:52,352 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:30:52,353 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-22 22:30:52,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:30:52 BoogieIcfgContainer [2018-11-22 22:30:52,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:30:52,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:30:52,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:30:52,356 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:30:52,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:30:51" (1/3) ... [2018-11-22 22:30:52,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fad5622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:30:52, skipping insertion in model container [2018-11-22 22:30:52,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:52" (2/3) ... [2018-11-22 22:30:52,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fad5622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:30:52, skipping insertion in model container [2018-11-22 22:30:52,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:30:52" (3/3) ... [2018-11-22 22:30:52,359 INFO L112 eAbstractionObserver]: Analyzing ICFG test_overflow_true-termination.c_true-unreach-call.i [2018-11-22 22:30:52,367 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:30:52,373 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:30:52,386 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:30:52,408 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:30:52,408 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:30:52,408 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:30:52,408 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:30:52,408 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:30:52,409 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:30:52,409 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:30:52,409 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:30:52,409 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:30:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-22 22:30:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 22:30:52,422 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:30:52,423 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:30:52,425 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:30:52,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:30:52,430 INFO L82 PathProgramCache]: Analyzing trace with hash -2006926244, now seen corresponding path program 1 times [2018-11-22 22:30:52,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:30:52,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:30:52,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:30:52,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:30:52,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:30:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:30:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:30:52,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:30:52,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:30:52,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:30:52,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:30:52,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:30:52,566 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2018-11-22 22:30:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:30:52,585 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-11-22 22:30:52,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:30:52,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-22 22:30:52,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:30:52,592 INFO L225 Difference]: With dead ends: 27 [2018-11-22 22:30:52,592 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:30:52,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:30:52,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:30:52,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:30:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:30:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:30:52,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-11-22 22:30:52,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:30:52,610 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:30:52,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:30:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:30:52,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:30:52,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:30:52,635 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:30:52,635 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:30:52,635 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:30:52,635 INFO L448 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1605) no Hoare annotation was computed. [2018-11-22 22:30:52,636 INFO L448 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 1603 1606) no Hoare annotation was computed. [2018-11-22 22:30:52,636 INFO L448 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 1603 1606) no Hoare annotation was computed. [2018-11-22 22:30:52,636 INFO L451 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 1603 1606) the Hoare annotation is: true [2018-11-22 22:30:52,636 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:30:52,636 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 22:30:52,636 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:30:52,636 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:30:52,636 INFO L451 ceAbstractionStarter]: At program point L1617(line 1617) the Hoare annotation is: true [2018-11-22 22:30:52,636 INFO L448 ceAbstractionStarter]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2018-11-22 22:30:52,637 INFO L444 ceAbstractionStarter]: At program point L1618-2(line 1618) the Hoare annotation is: false [2018-11-22 22:30:52,637 INFO L448 ceAbstractionStarter]: For program point L1618-3(line 1618) no Hoare annotation was computed. [2018-11-22 22:30:52,637 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 1614 1621) the Hoare annotation is: true [2018-11-22 22:30:52,637 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 1614 1621) no Hoare annotation was computed. [2018-11-22 22:30:52,637 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1614 1621) no Hoare annotation was computed. [2018-11-22 22:30:52,637 INFO L448 ceAbstractionStarter]: For program point L1618(line 1618) no Hoare annotation was computed. [2018-11-22 22:30:52,637 INFO L448 ceAbstractionStarter]: For program point getServiceEXIT(lines 1624 1629) no Hoare annotation was computed. [2018-11-22 22:30:52,637 INFO L451 ceAbstractionStarter]: At program point getServiceENTRY(lines 1624 1629) the Hoare annotation is: true [2018-11-22 22:30:52,637 INFO L448 ceAbstractionStarter]: For program point getServiceFINAL(lines 1624 1629) no Hoare annotation was computed. [2018-11-22 22:30:52,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:30:52 BoogieIcfgContainer [2018-11-22 22:30:52,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:30:52,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:30:52,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:30:52,640 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:30:52,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:30:52" (3/4) ... [2018-11-22 22:30:52,642 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:30:52,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:30:52,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2018-11-22 22:30:52,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:30:52,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getService [2018-11-22 22:30:52,650 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 22:30:52,651 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 22:30:52,651 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:30:52,676 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c7b47edb-cf94-49f9-b2c9-e9bb24878414/bin-2019/uautomizer/witness.graphml [2018-11-22 22:30:52,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:30:52,677 INFO L168 Benchmark]: Toolchain (without parser) took 931.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 955.5 MB in the beginning and 1.0 GB in the end (delta: -83.4 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:30:52,678 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:30:52,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:30:52,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.10 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:30:52,679 INFO L168 Benchmark]: Boogie Preprocessor took 13.34 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. [2018-11-22 22:30:52,679 INFO L168 Benchmark]: RCFGBuilder took 157.05 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. [2018-11-22 22:30:52,680 INFO L168 Benchmark]: TraceAbstraction took 285.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:30:52,680 INFO L168 Benchmark]: Witness Printer took 36.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:30:52,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 412.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.10 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.34 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 157.05 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 285.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 36.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1605]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 8 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...