./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c --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_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/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 dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e ........................................................................................................................................................................................................................................ 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_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/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 dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e .................................................................................................................................................................................................................................................................................. 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 08:40:10,075 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:40:10,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:40:10,083 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:40:10,083 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:40:10,084 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:40:10,085 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:40:10,086 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:40:10,087 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:40:10,088 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:40:10,088 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:40:10,088 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:40:10,089 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:40:10,090 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:40:10,090 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:40:10,091 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:40:10,091 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:40:10,092 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:40:10,093 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:40:10,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:40:10,094 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:40:10,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:40:10,100 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:40:10,101 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:40:10,101 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:40:10,101 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:40:10,102 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:40:10,103 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:40:10,103 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:40:10,104 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:40:10,104 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:40:10,104 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:40:10,104 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:40:10,105 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:40:10,105 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:40:10,106 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:40:10,106 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 08:40:10,113 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:40:10,113 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:40:10,114 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:40:10,114 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:40:10,114 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:40:10,114 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:40:10,115 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 08:40:10,115 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:40:10,115 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:40:10,115 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:40:10,115 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:40:10,115 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:40:10,115 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:40:10,116 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:40:10,116 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:40:10,116 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:40:10,116 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:40:10,116 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:40:10,116 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:40:10,116 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:40:10,117 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:40:10,117 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:40:10,117 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:40:10,117 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:40:10,117 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:40:10,117 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:40:10,117 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 08:40:10,117 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:40:10,118 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:40:10,118 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_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/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 -> dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e [2018-11-10 08:40:10,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:40:10,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:40:10,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:40:10,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:40:10,151 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:40:10,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-11-10 08:40:10,187 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data/fefb78c28/f1b60897cd924e79b1ee9f8180ffb150/FLAG9332f63a4 [2018-11-10 08:40:10,579 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:40:10,580 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-11-10 08:40:10,584 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data/fefb78c28/f1b60897cd924e79b1ee9f8180ffb150/FLAG9332f63a4 [2018-11-10 08:40:10,592 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data/fefb78c28/f1b60897cd924e79b1ee9f8180ffb150 [2018-11-10 08:40:10,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:40:10,595 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 08:40:10,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:40:10,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:40:10,599 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:40:10,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:40:10" (1/1) ... [2018-11-10 08:40:10,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10, skipping insertion in model container [2018-11-10 08:40:10,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:40:10" (1/1) ... [2018-11-10 08:40:10,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:40:10,618 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:40:10,710 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:40:10,712 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:40:10,724 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:40:10,732 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:40:10,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10 WrapperNode [2018-11-10 08:40:10,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:40:10,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:40:10,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:40:10,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:40:10,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10" (1/1) ... [2018-11-10 08:40:10,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10" (1/1) ... [2018-11-10 08:40:10,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10" (1/1) ... [2018-11-10 08:40:10,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10" (1/1) ... [2018-11-10 08:40:10,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10" (1/1) ... [2018-11-10 08:40:10,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10" (1/1) ... [2018-11-10 08:40:10,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10" (1/1) ... [2018-11-10 08:40:10,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:40:10,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:40:10,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:40:10,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:40:10,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/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 08:40:10,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:40:10,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:40:10,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 08:40:10,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:40:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 08:40:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-10 08:40:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 08:40:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:40:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:40:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:40:10,929 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:40:10,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:40:10 BoogieIcfgContainer [2018-11-10 08:40:10,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:40:10,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:40:10,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:40:10,932 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:40:10,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:40:10" (1/3) ... [2018-11-10 08:40:10,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d66c363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:40:10, skipping insertion in model container [2018-11-10 08:40:10,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:10" (2/3) ... [2018-11-10 08:40:10,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d66c363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:40:10, skipping insertion in model container [2018-11-10 08:40:10,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:40:10" (3/3) ... [2018-11-10 08:40:10,935 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double_range_true-unreach-call_true-termination.c [2018-11-10 08:40:10,941 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:40:10,946 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 08:40:10,955 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 08:40:10,976 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 08:40:10,977 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:40:10,977 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:40:10,977 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:40:10,977 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:40:10,977 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:40:10,977 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:40:10,977 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:40:10,978 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:40:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-10 08:40:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 08:40:10,994 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:40:10,995 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:40:10,996 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:40:10,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:40:11,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-10 08:40:11,001 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:40:11,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:40:11,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:40:11,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:40:11,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:40:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:40:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:40:11,068 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 08:40:11,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:40:11 BoogieIcfgContainer [2018-11-10 08:40:11,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 08:40:11,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:40:11,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:40:11,085 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:40:11,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:40:10" (3/4) ... [2018-11-10 08:40:11,088 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 08:40:11,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:40:11,089 INFO L168 Benchmark]: Toolchain (without parser) took 494.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:40:11,091 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:40:11,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:40:11,092 INFO L168 Benchmark]: Boogie Preprocessor took 21.78 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:40:11,093 INFO L168 Benchmark]: RCFGBuilder took 174.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-11-10 08:40:11,094 INFO L168 Benchmark]: TraceAbstraction took 154.14 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:40:11,094 INFO L168 Benchmark]: Witness Printer took 3.99 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:40:11,097 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.78 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 174.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 154.14 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.99 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: 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. Possible FailurePath: [L10] double x; [L11] x = __VERIFIER_nondet_double() [L13] COND TRUE x >= -1e307 && x <= 1e307 VAL [x=2] [L14] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 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=18occurred 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, 10 NumberOfCodeBlocks, 10 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 08:40:12,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:40:12,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:40:12,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:40:12,522 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:40:12,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:40:12,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:40:12,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:40:12,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:40:12,526 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:40:12,527 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:40:12,527 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:40:12,528 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:40:12,529 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:40:12,529 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:40:12,530 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:40:12,531 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:40:12,532 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:40:12,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:40:12,534 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:40:12,535 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:40:12,536 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:40:12,538 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:40:12,538 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:40:12,538 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:40:12,539 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:40:12,539 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:40:12,540 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:40:12,540 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:40:12,541 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:40:12,541 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:40:12,542 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:40:12,542 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:40:12,542 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:40:12,543 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:40:12,543 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:40:12,544 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 08:40:12,554 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:40:12,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:40:12,555 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:40:12,555 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:40:12,555 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:40:12,556 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:40:12,556 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 08:40:12,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:40:12,556 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:40:12,556 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:40:12,556 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:40:12,556 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:40:12,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:40:12,557 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:40:12,557 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 08:40:12,557 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 08:40:12,557 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:40:12,557 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:40:12,557 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:40:12,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:40:12,558 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:40:12,558 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:40:12,558 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:40:12,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:40:12,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:40:12,558 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:40:12,559 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:40:12,559 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 08:40:12,559 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:40:12,559 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 08:40:12,559 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 08:40:12,559 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_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/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 -> dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e [2018-11-10 08:40:12,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:40:12,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:40:12,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:40:12,600 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:40:12,600 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:40:12,601 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-11-10 08:40:12,649 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data/846c0cc25/12dfa9e177ad488ea353723d03ef3d61/FLAG36e0551be [2018-11-10 08:40:12,969 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:40:12,969 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-11-10 08:40:12,973 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data/846c0cc25/12dfa9e177ad488ea353723d03ef3d61/FLAG36e0551be [2018-11-10 08:40:12,981 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/data/846c0cc25/12dfa9e177ad488ea353723d03ef3d61 [2018-11-10 08:40:12,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:40:12,984 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 08:40:12,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:40:12,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:40:12,988 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:40:12,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:40:12" (1/1) ... [2018-11-10 08:40:12,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121b5745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:12, skipping insertion in model container [2018-11-10 08:40:12,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:40:12" (1/1) ... [2018-11-10 08:40:12,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:40:13,012 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:40:13,116 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:40:13,121 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:40:13,133 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:40:13,143 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:40:13,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13 WrapperNode [2018-11-10 08:40:13,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:40:13,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:40:13,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:40:13,144 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:40:13,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13" (1/1) ... [2018-11-10 08:40:13,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13" (1/1) ... [2018-11-10 08:40:13,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13" (1/1) ... [2018-11-10 08:40:13,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13" (1/1) ... [2018-11-10 08:40:13,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13" (1/1) ... [2018-11-10 08:40:13,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13" (1/1) ... [2018-11-10 08:40:13,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13" (1/1) ... [2018-11-10 08:40:13,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:40:13,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:40:13,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:40:13,164 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:40:13,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/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 08:40:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:40:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:40:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 08:40:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:40:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 08:40:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-10 08:40:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 08:40:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:40:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:40:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:40:13,348 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:40:13,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:40:13 BoogieIcfgContainer [2018-11-10 08:40:13,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:40:13,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:40:13,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:40:13,351 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:40:13,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:40:12" (1/3) ... [2018-11-10 08:40:13,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db9df40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:40:13, skipping insertion in model container [2018-11-10 08:40:13,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:13" (2/3) ... [2018-11-10 08:40:13,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db9df40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:40:13, skipping insertion in model container [2018-11-10 08:40:13,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:40:13" (3/3) ... [2018-11-10 08:40:13,354 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double_range_true-unreach-call_true-termination.c [2018-11-10 08:40:13,362 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:40:13,369 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 08:40:13,382 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 08:40:13,401 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 08:40:13,401 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:40:13,401 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:40:13,401 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:40:13,401 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:40:13,401 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:40:13,401 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:40:13,402 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:40:13,402 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:40:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-10 08:40:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 08:40:13,414 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:40:13,415 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:40:13,416 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:40:13,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:40:13,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-10 08:40:13,422 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 08:40:13,423 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/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 08:40:13,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:40:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:40:13,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:40:13,522 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 08:40:13,523 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 08:40:13,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:40:13,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 08:40:13,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 08:40:13,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 08:40:13,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 08:40:13,548 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-10 08:40:13,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:40:13,610 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-11-10 08:40:13,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 08:40:13,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-10 08:40:13,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:40:13,615 INFO L225 Difference]: With dead ends: 28 [2018-11-10 08:40:13,616 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 08:40:13,618 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 08:40:13,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 08:40:13,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 08:40:13,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 08:40:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 08:40:13,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-10 08:40:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:40:13,636 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 08:40:13,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 08:40:13,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 08:40:13,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:40:13,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 08:40:13,673 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 08:40:13,673 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:40:13,674 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:40:13,674 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 08:40:13,674 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:40:13,674 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:40:13,674 INFO L421 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (fp.geq main_~x~0 (fp.neg ((_ to_fp 11 53) RNE 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) [2018-11-10 08:40:13,674 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 8 17) the Hoare annotation is: true [2018-11-10 08:40:13,674 INFO L425 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-11-10 08:40:13,674 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 8 17) no Hoare annotation was computed. [2018-11-10 08:40:13,674 INFO L425 ceAbstractionStarter]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2018-11-10 08:40:13,675 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 8 17) no Hoare annotation was computed. [2018-11-10 08:40:13,675 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 6) the Hoare annotation is: true [2018-11-10 08:40:13,675 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 6) no Hoare annotation was computed. [2018-11-10 08:40:13,675 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-10 08:40:13,675 INFO L425 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2018-11-10 08:40:13,675 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-10 08:40:13,675 INFO L425 ceAbstractionStarter]: For program point L6-3(line 6) no Hoare annotation was computed. [2018-11-10 08:40:13,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:40:13 BoogieIcfgContainer [2018-11-10 08:40:13,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 08:40:13,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:40:13,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:40:13,678 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:40:13,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:40:13" (3/4) ... [2018-11-10 08:40:13,682 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:40:13,688 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 08:40:13,689 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 08:40:13,689 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 08:40:13,692 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 08:40:13,692 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 08:40:13,693 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 08:40:13,717 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5aa18b06-d5c9-4bb9-818f-efdf185f91f3/bin-2019/uautomizer/witness.graphml [2018-11-10 08:40:13,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:40:13,718 INFO L168 Benchmark]: Toolchain (without parser) took 734.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 819.0 kB. Max. memory is 11.5 GB. [2018-11-10 08:40:13,719 INFO L168 Benchmark]: CDTParser took 0.16 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 08:40:13,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.13 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:40:13,719 INFO L168 Benchmark]: Boogie Preprocessor took 19.42 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 939.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:40:13,720 INFO L168 Benchmark]: RCFGBuilder took 184.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:40:13,720 INFO L168 Benchmark]: TraceAbstraction took 328.69 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: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:40:13,720 INFO L168 Benchmark]: Witness Printer took 39.35 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-10 08:40:13,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.13 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.42 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 939.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 184.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 328.69 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: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Witness Printer took 39.35 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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, 18 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 7 SDslu, 40 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 11 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 2 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 4 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...