./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/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 af383046837f49b57572febe7198ecca5fffa750 ................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/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 af383046837f49b57572febe7198ecca5fffa750 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:36:38,214 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:36:38,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:36:38,222 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:36:38,222 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:36:38,223 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:36:38,224 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:36:38,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:36:38,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:36:38,227 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:36:38,228 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:36:38,228 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:36:38,228 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:36:38,229 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:36:38,230 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:36:38,231 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:36:38,232 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:36:38,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:36:38,234 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:36:38,235 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:36:38,236 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:36:38,237 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:36:38,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:36:38,239 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:36:38,239 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:36:38,240 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:36:38,241 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:36:38,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:36:38,242 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:36:38,243 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:36:38,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:36:38,244 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:36:38,244 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:36:38,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:36:38,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:36:38,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:36:38,246 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 10:36:38,256 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:36:38,256 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:36:38,257 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:36:38,257 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:36:38,257 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:36:38,257 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:36:38,258 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:36:38,258 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:36:38,258 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:36:38,258 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:36:38,258 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:36:38,258 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:36:38,259 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:36:38,259 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:36:38,259 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:36:38,259 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:36:38,261 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:36:38,261 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:36:38,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:36:38,261 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:36:38,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:36:38,261 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:36:38,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:36:38,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:36:38,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:36:38,262 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:36:38,262 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 10:36:38,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:36:38,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:36:38,263 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_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-11-10 10:36:38,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:36:38,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:36:38,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:36:38,299 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:36:38,300 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:36:38,300 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-11-10 10:36:38,345 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data/eeddcd30d/876bc05f4faf4d589ddc3ab70c286ba2/FLAG9c4da5751 [2018-11-10 10:36:38,664 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:36:38,665 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-11-10 10:36:38,669 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data/eeddcd30d/876bc05f4faf4d589ddc3ab70c286ba2/FLAG9c4da5751 [2018-11-10 10:36:38,681 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data/eeddcd30d/876bc05f4faf4d589ddc3ab70c286ba2 [2018-11-10 10:36:38,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:36:38,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 10:36:38,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:36:38,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:36:38,689 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:36:38,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:38" (1/1) ... [2018-11-10 10:36:38,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784dcdd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38, skipping insertion in model container [2018-11-10 10:36:38,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:38" (1/1) ... [2018-11-10 10:36:38,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:36:38,719 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:36:38,845 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:36:38,847 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:36:38,858 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:36:38,870 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:36:38,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38 WrapperNode [2018-11-10 10:36:38,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:36:38,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:36:38,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:36:38,871 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:36:38,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38" (1/1) ... [2018-11-10 10:36:38,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38" (1/1) ... [2018-11-10 10:36:38,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38" (1/1) ... [2018-11-10 10:36:38,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38" (1/1) ... [2018-11-10 10:36:38,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38" (1/1) ... [2018-11-10 10:36:38,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38" (1/1) ... [2018-11-10 10:36:38,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38" (1/1) ... [2018-11-10 10:36:38,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:36:38,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:36:38,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:36:38,891 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:36:38,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/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 [2018-11-10 10:36:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:36:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:36:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-11-10 10:36:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 10:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-11-10 10:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 10:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 10:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 10:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 10:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 10:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 10:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 10:36:39,072 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:36:39,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:39 BoogieIcfgContainer [2018-11-10 10:36:39,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:36:39,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:36:39,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:36:39,075 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:36:39,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:36:38" (1/3) ... [2018-11-10 10:36:39,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6552989d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:36:39, skipping insertion in model container [2018-11-10 10:36:39,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:38" (2/3) ... [2018-11-10 10:36:39,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6552989d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:36:39, skipping insertion in model container [2018-11-10 10:36:39,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:39" (3/3) ... [2018-11-10 10:36:39,078 INFO L112 eAbstractionObserver]: Analyzing ICFG float-zero-sum1_true-unreach-call_true-termination.i [2018-11-10 10:36:39,083 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:36:39,087 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:36:39,096 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:36:39,117 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:36:39,117 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:36:39,117 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:36:39,117 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:36:39,117 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:36:39,117 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:36:39,117 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:36:39,117 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:36:39,117 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:36:39,131 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-10 10:36:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:36:39,136 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:36:39,138 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:36:39,139 INFO L424 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:36:39,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:39,143 INFO L82 PathProgramCache]: Analyzing trace with hash -826202944, now seen corresponding path program 1 times [2018-11-10 10:36:39,144 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:36:39,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:36:39,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:39,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:39,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:36:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:36:39,232 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:36:39,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:36:39 BoogieIcfgContainer [2018-11-10 10:36:39,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:36:39,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:36:39,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:36:39,248 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:36:39,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:39" (3/4) ... [2018-11-10 10:36:39,251 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:36:39,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:36:39,251 INFO L168 Benchmark]: Toolchain (without parser) took 566.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -191.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:36:39,252 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:36:39,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:39,253 INFO L168 Benchmark]: Boogie Preprocessor took 20.03 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:39,253 INFO L168 Benchmark]: RCFGBuilder took 181.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 946.8 MB in the beginning and 1.2 GB in the end (delta: -223.9 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:39,254 INFO L168 Benchmark]: TraceAbstraction took 174.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:39,254 INFO L168 Benchmark]: Witness Printer took 2.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:36:39,257 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.03 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 181.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 946.8 MB in the beginning and 1.2 GB in the end (delta: -223.9 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 174.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L111] CALL f00(-0x1.6b890ep+29, 0x1.6b890ep+29) VAL [\old(b)=762388928] [L100] float sum = a + b; VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928] [L101] FCALL union mix m; VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2147483652:0}] [L102] FCALL m.f = sum VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2147483652:0}, sum=2147483651] [L103] EXPR, FCALL m.i VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2147483652:0}, m.i=2147483648, sum=2147483651] [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2147483652:0}, sum=2147483651] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:36:40,647 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:36:40,648 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:36:40,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:36:40,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:36:40,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:36:40,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:36:40,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:36:40,661 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:36:40,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:36:40,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:36:40,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:36:40,662 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:36:40,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:36:40,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:36:40,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:36:40,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:36:40,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:36:40,667 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:36:40,668 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:36:40,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:36:40,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:36:40,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:36:40,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:36:40,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:36:40,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:36:40,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:36:40,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:36:40,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:36:40,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:36:40,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:36:40,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:36:40,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:36:40,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:36:40,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:36:40,677 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:36:40,677 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 10:36:40,687 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:36:40,687 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:36:40,687 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:36:40,688 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:36:40,688 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:36:40,688 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:36:40,688 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:36:40,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:36:40,689 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:36:40,689 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:36:40,689 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:36:40,689 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:36:40,689 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:36:40,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:36:40,689 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:36:40,689 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:36:40,690 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:36:40,690 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:36:40,690 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:36:40,690 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:36:40,690 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:36:40,690 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:36:40,690 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:36:40,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:36:40,691 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:36:40,691 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:36:40,691 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:36:40,691 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 10:36:40,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:36:40,691 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:36:40,692 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:36:40,692 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_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-11-10 10:36:40,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:36:40,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:36:40,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:36:40,733 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:36:40,733 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:36:40,734 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-11-10 10:36:40,780 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data/b3819c983/4081198cae9a4808b16e184996840dae/FLAG7fec7d974 [2018-11-10 10:36:41,075 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:36:41,076 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-11-10 10:36:41,081 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data/b3819c983/4081198cae9a4808b16e184996840dae/FLAG7fec7d974 [2018-11-10 10:36:41,089 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/data/b3819c983/4081198cae9a4808b16e184996840dae [2018-11-10 10:36:41,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:36:41,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 10:36:41,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:36:41,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:36:41,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:36:41,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:41" (1/1) ... [2018-11-10 10:36:41,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7c4134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41, skipping insertion in model container [2018-11-10 10:36:41,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:41" (1/1) ... [2018-11-10 10:36:41,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:36:41,119 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:36:41,225 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:36:41,228 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:36:41,243 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:36:41,261 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:36:41,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41 WrapperNode [2018-11-10 10:36:41,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:36:41,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:36:41,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:36:41,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:36:41,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41" (1/1) ... [2018-11-10 10:36:41,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41" (1/1) ... [2018-11-10 10:36:41,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41" (1/1) ... [2018-11-10 10:36:41,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41" (1/1) ... [2018-11-10 10:36:41,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41" (1/1) ... [2018-11-10 10:36:41,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41" (1/1) ... [2018-11-10 10:36:41,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41" (1/1) ... [2018-11-10 10:36:41,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:36:41,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:36:41,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:36:41,283 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:36:41,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/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 [2018-11-10 10:36:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:36:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:36:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-11-10 10:36:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 10:36:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 10:36:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 10:36:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 10:36:41,488 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:36:41,513 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:36:41,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:41 BoogieIcfgContainer [2018-11-10 10:36:41,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:36:41,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:36:41,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:36:41,516 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:36:41,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:36:41" (1/3) ... [2018-11-10 10:36:41,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc5eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:36:41, skipping insertion in model container [2018-11-10 10:36:41,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:41" (2/3) ... [2018-11-10 10:36:41,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc5eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:36:41, skipping insertion in model container [2018-11-10 10:36:41,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:41" (3/3) ... [2018-11-10 10:36:41,519 INFO L112 eAbstractionObserver]: Analyzing ICFG float-zero-sum1_true-unreach-call_true-termination.i [2018-11-10 10:36:41,527 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:36:41,531 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:36:41,540 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:36:41,560 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:36:41,561 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:36:41,561 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:36:41,561 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:36:41,561 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:36:41,561 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:36:41,561 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:36:41,561 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:36:41,562 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:36:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-10 10:36:41,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:36:41,574 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:36:41,574 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:36:41,576 INFO L424 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:36:41,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:41,579 INFO L82 PathProgramCache]: Analyzing trace with hash -826202944, now seen corresponding path program 1 times [2018-11-10 10:36:41,582 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:36:41,582 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 10:36:41,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:41,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:36:41,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 10:36:41,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 10:36:41,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 10:36:41,720 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:36:41,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:36:41,728 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:33 [2018-11-10 10:36:41,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-11-10 10:36:41,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-11-10 10:36:41,749 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 10:36:41,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:36:41,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:36:41,753 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:21 [2018-11-10 10:36:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:36:41,777 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:36:41,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:36:41,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:36:41,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:36:41,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:36:41,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:36:41,801 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 6 states. [2018-11-10 10:36:41,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:36:41,956 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-11-10 10:36:41,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 10:36:41,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-11-10 10:36:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:36:41,963 INFO L225 Difference]: With dead ends: 33 [2018-11-10 10:36:41,963 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 10:36:41,966 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:36:41,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 10:36:41,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 10:36:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 10:36:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 10:36:41,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-11-10 10:36:41,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:36:41,987 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:36:41,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:36:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:36:41,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:36:41,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 10:36:42,029 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:36:42,029 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:36:42,029 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:36:42,029 INFO L428 ceAbstractionStarter]: At program point f00ENTRY(lines 99 106) the Hoare annotation is: true [2018-11-10 10:36:42,029 INFO L425 ceAbstractionStarter]: For program point f00Err0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-11-10 10:36:42,029 INFO L425 ceAbstractionStarter]: For program point f00EXIT(lines 99 106) no Hoare annotation was computed. [2018-11-10 10:36:42,029 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point f00FINAL(lines 99 106) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point L101-1(line 101) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point L101-2(line 101) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point L101-3(line 101) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:36:42,030 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 10:36:42,030 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:36:42,030 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:36:42,031 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-10 10:36:42,031 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 108 113) the Hoare annotation is: true [2018-11-10 10:36:42,031 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 108 113) no Hoare annotation was computed. [2018-11-10 10:36:42,031 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 108 113) no Hoare annotation was computed. [2018-11-10 10:36:42,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:36:42 BoogieIcfgContainer [2018-11-10 10:36:42,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:36:42,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:36:42,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:36:42,033 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:36:42,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:41" (3/4) ... [2018-11-10 10:36:42,036 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:36:42,041 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:36:42,041 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure f00 [2018-11-10 10:36:42,041 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:36:42,043 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 10:36:42,044 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 10:36:42,044 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:36:42,065 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3c387c2-6fbb-4ac3-84c8-da4f9cc39c1e/bin-2019/uautomizer/witness.graphml [2018-11-10 10:36:42,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:36:42,066 INFO L168 Benchmark]: Toolchain (without parser) took 974.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:42,067 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:36:42,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.29 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 937.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:42,067 INFO L168 Benchmark]: Boogie Preprocessor took 20.56 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:42,068 INFO L168 Benchmark]: RCFGBuilder took 230.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -210.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:42,068 INFO L168 Benchmark]: TraceAbstraction took 519.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:42,068 INFO L168 Benchmark]: Witness Printer took 32.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:42,070 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 169.29 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 937.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.56 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 230.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -210.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 519.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * Witness Printer took 32.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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 4 procedures, 23 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 17 SDslu, 44 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 1166 SizeOfPredicates, 8 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 9 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...