./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 .......................................................................................................................................................................................................................................... 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_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 .................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:58:20,970 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:58:20,971 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:58:20,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:58:20,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:58:20,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:58:20,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:58:20,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:58:20,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:58:20,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:58:20,980 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:58:20,980 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:58:20,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:58:20,981 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:58:20,982 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:58:20,982 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:58:20,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:58:20,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:58:20,985 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:58:20,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:58:20,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:58:20,986 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:58:20,988 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:58:20,988 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:58:20,988 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:58:20,988 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:58:20,989 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:58:20,989 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:58:20,989 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:58:20,990 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:58:20,990 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:58:20,990 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:58:20,991 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:58:20,991 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:58:20,991 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:58:20,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:58:20,992 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 14:58:20,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:58:20,999 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:58:20,999 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:58:20,999 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:58:20,999 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 14:58:21,000 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:58:21,000 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:58:21,001 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:58:21,001 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:58:21,001 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:58:21,001 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:58:21,001 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:58:21,001 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:58:21,001 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:58:21,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:58:21,001 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:58:21,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:58:21,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:58:21,002 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 14:58:21,002 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:58:21,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:58:21,002 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_9cc377cc-2ffe-4e05-9ad0-a37591121674/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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-12-02 14:58:21,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:58:21,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:58:21,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:58:21,028 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:58:21,028 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:58:21,028 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-02 14:58:21,063 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data/20f01f238/75b6dfb845844bce8f53561ca9692ae2/FLAG534e439b4 [2018-12-02 14:58:21,509 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:58:21,510 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-02 14:58:21,514 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data/20f01f238/75b6dfb845844bce8f53561ca9692ae2/FLAG534e439b4 [2018-12-02 14:58:21,523 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data/20f01f238/75b6dfb845844bce8f53561ca9692ae2 [2018-12-02 14:58:21,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:58:21,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:58:21,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:58:21,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:58:21,528 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:58:21,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a03d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21, skipping insertion in model container [2018-12-02 14:58:21,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:58:21,543 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:58:21,636 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:58:21,639 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:58:21,650 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:58:21,657 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:58:21,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21 WrapperNode [2018-12-02 14:58:21,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:58:21,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:58:21,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:58:21,658 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:58:21,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:58:21,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:58:21,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:58:21,670 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:58:21,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... [2018-12-02 14:58:21,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:58:21,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:58:21,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:58:21,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:58:21,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/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 [2018-12-02 14:58:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:58:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:58:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:58:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:58:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:58:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:58:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 14:58:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 14:58:21,810 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:58:21,810 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 14:58:21,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:21 BoogieIcfgContainer [2018-12-02 14:58:21,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:58:21,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:58:21,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:58:21,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:58:21,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:58:21" (1/3) ... [2018-12-02 14:58:21,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf37515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:58:21, skipping insertion in model container [2018-12-02 14:58:21,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:21" (2/3) ... [2018-12-02 14:58:21,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf37515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:58:21, skipping insertion in model container [2018-12-02 14:58:21,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:21" (3/3) ... [2018-12-02 14:58:21,815 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-12-02 14:58:21,820 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:58:21,824 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:58:21,833 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:58:21,850 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 14:58:21,850 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:58:21,850 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:58:21,850 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:58:21,851 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:58:21,851 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:58:21,851 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:58:21,851 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:58:21,851 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:58:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-02 14:58:21,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 14:58:21,864 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:58:21,864 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:58:21,865 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:58:21,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:58:21,869 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-02 14:58:21,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:58:21,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:58:21,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:58:21,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:58:21,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:58:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:58:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:58:21,931 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 14:58:21,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:58:21 BoogieIcfgContainer [2018-12-02 14:58:21,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:58:21,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:58:21,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:58:21,944 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:58:21,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:21" (3/4) ... [2018-12-02 14:58:21,947 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 14:58:21,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:58:21,947 INFO L168 Benchmark]: Toolchain (without parser) took 422.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -129.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:58:21,948 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:58:21,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.69 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:21,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:58:21,949 INFO L168 Benchmark]: Boogie Preprocessor took 10.88 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:21,950 INFO L168 Benchmark]: RCFGBuilder took 130.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:21,950 INFO L168 Benchmark]: TraceAbstraction took 132.62 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:21,951 INFO L168 Benchmark]: Witness Printer took 2.70 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. [2018-12-02 14:58:21,953 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.69 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.88 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 130.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 132.62 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.70 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x,y,r; [L9] x = 77617. [L10] y = 33096. [L11] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.0s 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=17occurred 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, 9 NumberOfCodeBlocks, 9 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 0.1.23-635dfa2 [2018-12-02 14:58:23,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:58:23,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:58:23,215 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:58:23,215 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:58:23,216 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:58:23,216 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:58:23,217 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:58:23,218 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:58:23,218 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:58:23,219 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:58:23,219 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:58:23,219 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:58:23,220 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:58:23,220 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:58:23,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:58:23,221 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:58:23,222 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:58:23,223 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:58:23,223 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:58:23,224 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:58:23,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:58:23,226 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:58:23,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:58:23,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:58:23,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:58:23,227 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:58:23,227 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:58:23,228 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:58:23,228 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:58:23,228 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:58:23,229 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:58:23,229 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:58:23,229 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:58:23,229 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:58:23,230 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:58:23,230 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 14:58:23,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:58:23,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:58:23,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:58:23,238 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:58:23,238 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:58:23,238 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:58:23,239 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 14:58:23,239 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:58:23,239 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:58:23,239 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:58:23,239 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:58:23,239 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:58:23,239 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:58:23,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:58:23,240 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 14:58:23,240 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 14:58:23,240 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:58:23,240 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:58:23,240 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:58:23,240 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:58:23,240 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:58:23,241 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:58:23,241 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:58:23,241 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:58:23,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:58:23,241 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:58:23,241 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:58:23,241 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:58:23,241 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 14:58:23,242 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:58:23,242 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 14:58:23,242 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 14:58:23,242 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_9cc377cc-2ffe-4e05-9ad0-a37591121674/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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-12-02 14:58:23,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:58:23,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:58:23,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:58:23,270 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:58:23,270 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:58:23,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-02 14:58:23,305 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data/35fa962a5/bf62b970165e4bb38b6699c411facef3/FLAG7685f063e [2018-12-02 14:58:23,629 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:58:23,630 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-02 14:58:23,633 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data/35fa962a5/bf62b970165e4bb38b6699c411facef3/FLAG7685f063e [2018-12-02 14:58:24,038 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/data/35fa962a5/bf62b970165e4bb38b6699c411facef3 [2018-12-02 14:58:24,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:58:24,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:58:24,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:58:24,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:58:24,043 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:58:24,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe18e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24, skipping insertion in model container [2018-12-02 14:58:24,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:58:24,060 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:58:24,151 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:58:24,157 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:58:24,170 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:58:24,179 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:58:24,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24 WrapperNode [2018-12-02 14:58:24,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:58:24,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:58:24,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:58:24,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:58:24,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:58:24,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:58:24,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:58:24,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:58:24,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... [2018-12-02 14:58:24,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:58:24,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:58:24,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:58:24,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:58:24,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/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 [2018-12-02 14:58:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:58:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:58:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:58:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:58:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:58:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:58:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 14:58:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 14:58:24,363 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:58:24,363 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 14:58:24,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:24 BoogieIcfgContainer [2018-12-02 14:58:24,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:58:24,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:58:24,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:58:24,366 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:58:24,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:58:24" (1/3) ... [2018-12-02 14:58:24,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423dd439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:58:24, skipping insertion in model container [2018-12-02 14:58:24,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:24" (2/3) ... [2018-12-02 14:58:24,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423dd439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:58:24, skipping insertion in model container [2018-12-02 14:58:24,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:24" (3/3) ... [2018-12-02 14:58:24,369 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-12-02 14:58:24,375 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:58:24,379 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:58:24,387 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:58:24,405 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 14:58:24,406 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:58:24,406 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:58:24,406 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:58:24,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:58:24,406 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:58:24,406 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:58:24,406 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:58:24,406 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:58:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-02 14:58:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 14:58:24,420 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:58:24,420 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:58:24,422 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:58:24,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:58:24,425 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-02 14:58:24,428 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:58:24,428 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/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 [2018-12-02 14:58:24,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:58:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:58:35,759 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:58:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:58:35,840 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:58:35,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:58:35,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 14:58:35,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 14:58:35,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 14:58:35,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 14:58:35,941 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-12-02 14:58:35,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:58:35,974 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-02 14:58:35,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 14:58:35,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-02 14:58:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:58:35,979 INFO L225 Difference]: With dead ends: 24 [2018-12-02 14:58:35,979 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 14:58:35,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:58:35,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 14:58:35,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 14:58:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 14:58:35,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 14:58:36,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-02 14:58:36,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:58:36,000 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 14:58:36,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 14:58:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 14:58:36,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:58:36,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 14:58:36,038 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-02 14:58:36,039 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:58:36,039 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:58:36,039 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 14:58:36,039 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 14:58:36,039 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:58:36,039 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-12-02 14:58:36,039 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 77617.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 33096.0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven .cse2 .cse0)))) main_~r~0) [2018-12-02 14:58:36,039 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-12-02 14:58:36,039 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-02 14:58:36,040 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-12-02 14:58:36,040 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-12-02 14:58:36,040 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-12-02 14:58:36,040 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-12-02 14:58:36,040 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-02 14:58:36,040 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-02 14:58:36,040 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-12-02 14:58:36,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:58:36 BoogieIcfgContainer [2018-12-02 14:58:36,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:58:36,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:58:36,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:58:36,042 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:58:36,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:24" (3/4) ... [2018-12-02 14:58:36,045 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:58:36,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 14:58:36,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 14:58:36,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-02 14:58:36,051 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 14:58:36,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 14:58:36,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 14:58:36,072 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9cc377cc-2ffe-4e05-9ad0-a37591121674/bin-2019/uautomizer/witness.graphml [2018-12-02 14:58:36,072 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:58:36,073 INFO L168 Benchmark]: Toolchain (without parser) took 12032.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -116.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:36,074 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:58:36,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.13 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:36,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.77 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:58:36,074 INFO L168 Benchmark]: Boogie Preprocessor took 14.47 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:36,075 INFO L168 Benchmark]: RCFGBuilder took 154.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:36,075 INFO L168 Benchmark]: TraceAbstraction took 11677.41 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:36,075 INFO L168 Benchmark]: Witness Printer took 30.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:58:36,077 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.13 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.77 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.47 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 154.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11677.41 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Witness Printer took 30.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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, 17 locations, 1 error locations. SAFE Result, 11.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 195 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 10.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 6 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...