./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 ........................................................................................................................................................................................................... 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_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 ................................................................................................................................................................................................................ 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 05:32:42,251 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:32:42,252 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:32:42,258 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:32:42,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:32:42,258 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:32:42,259 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:32:42,260 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:32:42,260 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:32:42,261 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:32:42,262 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:32:42,262 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:32:42,262 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:32:42,263 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:32:42,264 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:32:42,264 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:32:42,265 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:32:42,266 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:32:42,267 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:32:42,268 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:32:42,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:32:42,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:32:42,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:32:42,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:32:42,271 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:32:42,272 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:32:42,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:32:42,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:32:42,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:32:42,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:32:42,274 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:32:42,274 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:32:42,275 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:32:42,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:32:42,275 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:32:42,276 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:32:42,276 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:32:42,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:32:42,284 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:32:42,284 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:32:42,284 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:32:42,284 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:32:42,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:32:42,285 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:32:42,286 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:32:42,286 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:32:42,286 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:32:42,286 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:32:42,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:32:42,286 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:32:42,286 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:32:42,286 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:32:42,287 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:32:42,287 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:32:42,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:32:42,287 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_4dabface-f053-4712-97a5-f2534b4df9e7/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-11-10 05:32:42,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:32:42,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:32:42,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:32:42,323 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:32:42,324 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:32:42,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-11-10 05:32:42,369 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data/7228aff9e/cb7f436bab624395a721f13d1d67f0ae/FLAG97b614194 [2018-11-10 05:32:42,685 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:32:42,686 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-11-10 05:32:42,690 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data/7228aff9e/cb7f436bab624395a721f13d1d67f0ae/FLAG97b614194 [2018-11-10 05:32:42,700 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data/7228aff9e/cb7f436bab624395a721f13d1d67f0ae [2018-11-10 05:32:42,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:32:42,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:32:42,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:32:42,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:32:42,706 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:32:42,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdce2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42, skipping insertion in model container [2018-11-10 05:32:42,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:32:42,726 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:32:42,820 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:32:42,823 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:32:42,831 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:32:42,839 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:32:42,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42 WrapperNode [2018-11-10 05:32:42,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:32:42,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:32:42,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:32:42,840 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:32:42,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:32:42,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:32:42,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:32:42,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:32:42,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... [2018-11-10 05:32:42,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:32:42,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:32:42,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:32:42,865 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:32:42,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/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 [2018-11-10 05:32:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:32:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:32:43,014 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:32:43,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:32:43 BoogieIcfgContainer [2018-11-10 05:32:43,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:32:43,015 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:32:43,015 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:32:43,021 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:32:43,022 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:32:43" (1/1) ... [2018-11-10 05:32:43,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:32:43,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 05:32:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 05:32:43,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 05:32:43,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:32:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:32:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:32:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:32:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:32:43,132 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 05:32:43,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:32:43 ImpRootNode [2018-11-10 05:32:43,145 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:32:43,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:32:43,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:32:43,145 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:32:43,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:32:43" (3/4) ... [2018-11-10 05:32:43,148 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:32:43,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:32:43,149 INFO L168 Benchmark]: Toolchain (without parser) took 446.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:32:43,150 INFO L168 Benchmark]: CDTParser took 0.15 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 05:32:43,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:43,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.72 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:32:43,151 INFO L168 Benchmark]: Boogie Preprocessor took 7.98 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:43,152 INFO L168 Benchmark]: RCFGBuilder took 150.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:43,153 INFO L168 Benchmark]: CodeCheck took 129.64 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 05:32:43,153 INFO L168 Benchmark]: Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:32:43,156 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, 8 locations, 1 error locations. UNSAFE Result, 0.0s 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: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 8. Possible FailurePath: [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) [L10] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 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 16.72 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 7.98 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 150.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 129.64 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 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 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 [2018-11-10 05:32:44,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:32:44,583 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:32:44,591 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:32:44,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:32:44,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:32:44,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:32:44,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:32:44,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:32:44,595 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:32:44,596 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:32:44,596 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:32:44,596 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:32:44,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:32:44,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:32:44,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:32:44,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:32:44,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:32:44,601 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:32:44,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:32:44,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:32:44,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:32:44,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:32:44,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:32:44,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:32:44,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:32:44,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:32:44,607 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:32:44,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:32:44,608 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:32:44,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:32:44,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:32:44,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:32:44,609 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:32:44,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:32:44,610 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:32:44,611 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 05:32:44,622 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:32:44,622 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:32:44,622 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:32:44,623 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:32:44,623 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:32:44,623 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:32:44,623 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:32:44,623 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:32:44,624 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:32:44,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:32:44,624 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:32:44,624 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:32:44,624 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:32:44,624 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:32:44,624 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:32:44,624 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:32:44,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:32:44,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:32:44,625 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:32:44,625 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:32:44,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:32:44,625 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:32:44,625 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:32:44,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:32:44,626 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:32:44,626 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:32:44,626 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 05:32:44,626 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 05:32:44,626 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:32:44,626 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:32:44,626 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:32:44,627 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_4dabface-f053-4712-97a5-f2534b4df9e7/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-11-10 05:32:44,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:32:44,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:32:44,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:32:44,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:32:44,669 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:32:44,669 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-11-10 05:32:44,703 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data/037ed6b49/4f637d826f8f48ba892d5b0d59fd1004/FLAGd64e88914 [2018-11-10 05:32:45,085 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:32:45,085 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-11-10 05:32:45,089 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data/037ed6b49/4f637d826f8f48ba892d5b0d59fd1004/FLAGd64e88914 [2018-11-10 05:32:45,097 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/data/037ed6b49/4f637d826f8f48ba892d5b0d59fd1004 [2018-11-10 05:32:45,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:32:45,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:32:45,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:32:45,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:32:45,103 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:32:45,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf29406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45, skipping insertion in model container [2018-11-10 05:32:45,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:32:45,123 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:32:45,226 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:32:45,232 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:32:45,242 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:32:45,252 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:32:45,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45 WrapperNode [2018-11-10 05:32:45,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:32:45,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:32:45,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:32:45,254 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:32:45,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:32:45,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:32:45,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:32:45,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:32:45,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:32:45,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:32:45,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:32:45,286 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:32:45,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/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 [2018-11-10 05:32:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:32:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:32:45,470 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:32:45,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:32:45 BoogieIcfgContainer [2018-11-10 05:32:45,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:32:45,471 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:32:45,471 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:32:45,481 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:32:45,481 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:32:45" (1/1) ... [2018-11-10 05:32:45,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:32:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:45,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 05:32:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 05:32:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 05:32:45,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:32:45,543 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:32:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:32:45,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:32:45,788 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 05:32:46,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-10 05:32:46,084 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-10 05:32:46,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:32:46,085 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-10 05:32:46,092 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:32:46,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:32:46 ImpRootNode [2018-11-10 05:32:46,099 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:32:46,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:32:46,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:32:46,099 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:32:46,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:32:45" (3/4) ... [2018-11-10 05:32:46,103 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:32:46,111 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 05:32:46,111 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:32:46,111 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:32:46,138 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4dabface-f053-4712-97a5-f2534b4df9e7/bin-2019/ukojak/witness.graphml [2018-11-10 05:32:46,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:32:46,139 INFO L168 Benchmark]: Toolchain (without parser) took 1038.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -130.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:32:46,140 INFO L168 Benchmark]: CDTParser took 0.14 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 05:32:46,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.73 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 942.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:46,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.85 ms. Allocated memory is still 1.0 GB. Free memory is still 942.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:32:46,141 INFO L168 Benchmark]: Boogie Preprocessor took 10.96 ms. Allocated memory is still 1.0 GB. Free memory was 942.2 MB in the beginning and 936.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:46,141 INFO L168 Benchmark]: RCFGBuilder took 185.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 936.9 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:46,142 INFO L168 Benchmark]: CodeCheck took 627.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:46,142 INFO L168 Benchmark]: Witness Printer took 38.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:32:46,145 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, 8 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 10]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 151.73 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 942.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.85 ms. Allocated memory is still 1.0 GB. Free memory is still 942.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.96 ms. Allocated memory is still 1.0 GB. Free memory was 942.2 MB in the beginning and 936.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 185.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 936.9 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 627.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Witness Printer took 38.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...