./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/nan_double_false-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_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7dc1721e577997f4966a61524053c01b76a6be07 ............................................................................................................................................................................................................. 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_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7dc1721e577997f4966a61524053c01b76a6be07 ......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:38:01,076 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:38:01,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:38:01,091 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:38:01,092 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:38:01,093 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:38:01,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:38:01,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:38:01,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:38:01,102 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:38:01,104 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:38:01,105 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:38:01,106 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:38:01,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:38:01,107 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:38:01,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:38:01,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:38:01,113 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:38:01,115 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:38:01,116 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:38:01,127 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:38:01,129 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:38:01,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:38:01,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:38:01,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:38:01,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:38:01,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:38:01,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:38:01,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:38:01,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:38:01,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:38:01,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:38:01,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:38:01,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:38:01,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:38:01,144 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:38:01,146 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:38:01,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:38:01,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:38:01,165 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:38:01,166 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:38:01,167 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:38:01,168 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:38:01,168 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:38:01,169 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:38:01,169 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:38:01,169 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:38:01,169 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:38:01,169 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:38:01,169 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:38:01,170 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:38:01,170 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:38:01,170 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:38:01,170 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:38:01,170 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:38:01,170 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:38:01,171 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:38:01,171 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:38:01,171 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:38:01,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:38:01,171 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:38:01,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:38:01,172 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:38:01,172 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:38:01,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:38:01,172 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_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak 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 -> Kojak 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 -> 7dc1721e577997f4966a61524053c01b76a6be07 [2018-10-26 19:38:01,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:38:01,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:38:01,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:38:01,245 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:38:01,246 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:38:01,247 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/nan_double_false-unreach-call_true-termination.c [2018-10-26 19:38:01,306 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data/e79eb5bb8/5893780e587a402da6ada957d40eab32/FLAG7dcfce613 [2018-10-26 19:38:01,681 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:38:01,682 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/sv-benchmarks/c/float-benchs/nan_double_false-unreach-call_true-termination.c [2018-10-26 19:38:01,687 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data/e79eb5bb8/5893780e587a402da6ada957d40eab32/FLAG7dcfce613 [2018-10-26 19:38:01,700 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data/e79eb5bb8/5893780e587a402da6ada957d40eab32 [2018-10-26 19:38:01,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:38:01,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:38:01,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:38:01,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:38:01,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:38:01,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b54a010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01, skipping insertion in model container [2018-10-26 19:38:01,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:38:01,742 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:38:01,876 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:38:01,879 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:38:01,891 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:38:01,903 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:38:01,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01 WrapperNode [2018-10-26 19:38:01,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:38:01,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:38:01,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:38:01,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:38:01,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:38:01,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:38:01,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:38:01,942 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:38:01,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... [2018-10-26 19:38:01,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:38:01,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:38:01,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:38:01,960 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:38:01,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-10-26 19:38:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:38:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:38:02,328 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:38:02,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:38:02 BoogieIcfgContainer [2018-10-26 19:38:02,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:38:02,330 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:38:02,330 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:38:02,343 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:38:02,344 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:38:02" (1/1) ... [2018-10-26 19:38:02,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:38:02,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:02,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 19:38:02,397 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 19:38:02,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 19:38:02,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:38:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:38:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:38:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:38:02,541 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 19:38:02,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:38:02 ImpRootNode [2018-10-26 19:38:02,561 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:38:02,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:38:02,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:38:02,562 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:38:02,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:38:02" (3/4) ... [2018-10-26 19:38:02,567 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:38:02,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:38:02,568 INFO L168 Benchmark]: Toolchain (without parser) took 865.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:38:02,570 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:38:02,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.90 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:38:02,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.87 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:38:02,573 INFO L168 Benchmark]: Boogie Preprocessor took 18.07 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:38:02,575 INFO L168 Benchmark]: RCFGBuilder took 369.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -242.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:38:02,576 INFO L168 Benchmark]: CodeCheck took 231.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:38:02,577 INFO L168 Benchmark]: Witness Printer took 6.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:38:02,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - 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] CALL __VERIFIER_assert(x==x) [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 198.90 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 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 36.87 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.07 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 369.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -242.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * CodeCheck took 231.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. 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 [2018-10-26 19:38:04,803 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:38:04,805 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:38:04,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:38:04,817 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:38:04,818 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:38:04,819 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:38:04,821 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:38:04,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:38:04,824 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:38:04,826 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:38:04,826 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:38:04,827 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:38:04,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:38:04,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:38:04,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:38:04,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:38:04,833 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:38:04,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:38:04,837 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:38:04,838 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:38:04,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:38:04,843 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:38:04,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:38:04,843 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:38:04,844 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:38:04,846 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:38:04,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:38:04,847 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:38:04,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:38:04,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:38:04,850 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:38:04,850 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:38:04,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:38:04,852 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:38:04,852 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:38:04,853 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 19:38:04,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:38:04,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:38:04,869 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:38:04,869 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:38:04,870 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:38:04,870 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:38:04,870 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:38:04,870 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:38:04,871 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:38:04,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:38:04,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:38:04,871 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:38:04,871 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:38:04,871 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:38:04,872 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:38:04,872 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:38:04,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:38:04,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:38:04,872 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:38:04,872 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:38:04,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:38:04,875 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:38:04,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:38:04,875 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:38:04,876 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:38:04,876 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:38:04,876 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 19:38:04,876 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:38:04,876 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:38:04,876 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:38:04,877 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:38:04,877 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_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak 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 -> Kojak 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 -> 7dc1721e577997f4966a61524053c01b76a6be07 [2018-10-26 19:38:04,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:38:04,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:38:04,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:38:04,942 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:38:04,942 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:38:04,943 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/nan_double_false-unreach-call_true-termination.c [2018-10-26 19:38:04,999 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data/fd1e2e4bc/234c7d00b8744a2abb86d7aa887f8691/FLAGc372a3667 [2018-10-26 19:38:05,392 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:38:05,393 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/sv-benchmarks/c/float-benchs/nan_double_false-unreach-call_true-termination.c [2018-10-26 19:38:05,398 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data/fd1e2e4bc/234c7d00b8744a2abb86d7aa887f8691/FLAGc372a3667 [2018-10-26 19:38:05,410 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/data/fd1e2e4bc/234c7d00b8744a2abb86d7aa887f8691 [2018-10-26 19:38:05,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:38:05,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:38:05,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:38:05,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:38:05,421 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:38:05,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af034f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05, skipping insertion in model container [2018-10-26 19:38:05,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:38:05,455 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:38:05,611 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:38:05,617 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:38:05,631 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:38:05,646 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:38:05,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05 WrapperNode [2018-10-26 19:38:05,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:38:05,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:38:05,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:38:05,648 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:38:05,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:38:05,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:38:05,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:38:05,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:38:05,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... [2018-10-26 19:38:05,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:38:05,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:38:05,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:38:05,703 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:38:05,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:38:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-10-26 19:38:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:38:05,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:38:06,038 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:38:06,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:38:06 BoogieIcfgContainer [2018-10-26 19:38:06,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:38:06,039 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:38:06,040 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:38:06,051 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:38:06,052 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:38:06" (1/1) ... [2018-10-26 19:38:06,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:38:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 19:38:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 19:38:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 19:38:06,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:06,162 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 19:38:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:38:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:38:06,216 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 19:38:06,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:38:06 ImpRootNode [2018-10-26 19:38:06,238 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:38:06,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:38:06,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:38:06,238 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:38:06,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:38:06" (3/4) ... [2018-10-26 19:38:06,248 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 19:38:06,318 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c32665ab-4c01-46c9-99c2-bbe45cd39696/bin-2019/ukojak/witness.graphml [2018-10-26 19:38:06,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:38:06,319 INFO L168 Benchmark]: Toolchain (without parser) took 904.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:38:06,333 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-26 19:38:06,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.05 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:38:06,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.78 ms. Allocated memory is still 1.0 GB. Free memory is still 943.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:38:06,335 INFO L168 Benchmark]: Boogie Preprocessor took 20.98 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:38:06,336 INFO L168 Benchmark]: RCFGBuilder took 336.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 938.5 MB in the beginning and 1.2 GB in the end (delta: -221.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:38:06,337 INFO L168 Benchmark]: CodeCheck took 198.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:38:06,338 INFO L168 Benchmark]: Witness Printer took 80.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:38:06,344 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] double x; [L11] x = __VERIFIER_nondet_double() [L13] CALL __VERIFIER_assert(x==x) [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 231.05 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 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 33.78 ms. Allocated memory is still 1.0 GB. Free memory is still 943.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.98 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 336.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 938.5 MB in the beginning and 1.2 GB in the end (delta: -221.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 198.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Witness Printer took 80.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...