./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/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 8ccc35369aa7fc4059706b8166915b481ecdc09d ................................................................................................................................................................................................................. 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_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/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 8ccc35369aa7fc4059706b8166915b481ecdc09d ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:53:56,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:53:56,371 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:53:56,379 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:53:56,379 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:53:56,380 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:53:56,380 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:53:56,382 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:53:56,383 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:53:56,383 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:53:56,384 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:53:56,384 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:53:56,384 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:53:56,385 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:53:56,386 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:53:56,386 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:53:56,387 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:53:56,388 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:53:56,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:53:56,391 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:53:56,392 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:53:56,392 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:53:56,394 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:53:56,394 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:53:56,394 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:53:56,395 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:53:56,396 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:53:56,396 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:53:56,397 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:53:56,398 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:53:56,398 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:53:56,398 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:53:56,398 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:53:56,399 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:53:56,399 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:53:56,400 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:53:56,400 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 08:53:56,410 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:53:56,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:53:56,411 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:53:56,411 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 08:53:56,412 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:53:56,412 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:53:56,412 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:53:56,412 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:53:56,412 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:53:56,412 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:53:56,413 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:53:56,413 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:53:56,413 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:53:56,413 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:53:56,413 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:53:56,413 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:53:56,413 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:53:56,413 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:53:56,413 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 08:53:56,414 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 08:53:56,414 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:53:56,414 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:53:56,414 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 08:53:56,414 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:53:56,414 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:53:56,414 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:53:56,414 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 08:53:56,414 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:53:56,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:53:56,415 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_6e5997d7-49af-4477-bd50-0d7aeb62c98d/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 -> 8ccc35369aa7fc4059706b8166915b481ecdc09d [2018-12-02 08:53:56,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:53:56,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:53:56,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:53:56,446 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:53:56,446 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:53:56,447 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i [2018-12-02 08:53:56,482 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data/dc6245fa8/c87a2a936570425fad1734054ae4de92/FLAG2a38a2cc5 [2018-12-02 08:53:56,787 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:53:56,787 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i [2018-12-02 08:53:56,791 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data/dc6245fa8/c87a2a936570425fad1734054ae4de92/FLAG2a38a2cc5 [2018-12-02 08:53:56,799 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data/dc6245fa8/c87a2a936570425fad1734054ae4de92 [2018-12-02 08:53:56,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:53:56,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:53:56,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:53:56,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:53:56,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:53:56,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdc723e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56, skipping insertion in model container [2018-12-02 08:53:56,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:53:56,820 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:53:56,910 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:53:56,913 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:53:56,925 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:53:56,933 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:53:56,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56 WrapperNode [2018-12-02 08:53:56,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:53:56,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:53:56,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:53:56,934 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:53:56,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:53:56,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:53:56,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:53:56,953 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:53:56,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... [2018-12-02 08:53:56,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:53:56,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:53:56,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:53:56,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:53:56,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/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 [2018-12-02 08:53:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:53:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:53:57,105 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:53:57,106 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-02 08:53:57,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:57 BoogieIcfgContainer [2018-12-02 08:53:57,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:53:57,106 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 08:53:57,106 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 08:53:57,112 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 08:53:57,112 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:57" (1/1) ... [2018-12-02 08:53:57,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:53:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:53:57,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-02 08:53:57,139 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-02 08:53:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 08:53:57,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:53:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:53:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:53:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:53:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:53:57,204 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-02 08:53:57,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:53:57 ImpRootNode [2018-12-02 08:53:57,215 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 08:53:57,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:53:57,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:53:57,215 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:53:57,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:57" (3/4) ... [2018-12-02 08:53:57,218 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 08:53:57,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:53:57,218 INFO L168 Benchmark]: Toolchain (without parser) took 417.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:53:57,219 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:53:57,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.15 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:53:57,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.32 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:53:57,220 INFO L168 Benchmark]: Boogie Preprocessor took 9.82 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:53:57,221 INFO L168 Benchmark]: RCFGBuilder took 142.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:53:57,221 INFO L168 Benchmark]: CodeCheck took 108.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:53:57,222 INFO L168 Benchmark]: Witness Printer took 2.65 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:53:57,224 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, 15 locations, 3 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 someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L5] float f1=0x1.000000p-1f; [L6] float f2=0x1.fffffep-126f; [L8] float res = f1 * f2; [L10] COND TRUE !(res == 0x1.0p-126f) [L10] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.15 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.32 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.82 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 142.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * CodeCheck took 108.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 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: 3.4 MB). Peak memory consumption was 3.4 MB. 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 0.1.23-635dfa2 [2018-12-02 08:53:58,514 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:53:58,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:53:58,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:53:58,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:53:58,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:53:58,522 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:53:58,523 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:53:58,524 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:53:58,524 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:53:58,525 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:53:58,525 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:53:58,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:53:58,526 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:53:58,526 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:53:58,527 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:53:58,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:53:58,528 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:53:58,529 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:53:58,530 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:53:58,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:53:58,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:53:58,532 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:53:58,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:53:58,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:53:58,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:53:58,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:53:58,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:53:58,534 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:53:58,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:53:58,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:53:58,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:53:58,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:53:58,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:53:58,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:53:58,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:53:58,536 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 08:53:58,544 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:53:58,544 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:53:58,544 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:53:58,545 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 08:53:58,545 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:53:58,545 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:53:58,545 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:53:58,545 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:53:58,546 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:53:58,546 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:53:58,546 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:53:58,546 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:53:58,546 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:53:58,546 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 08:53:58,546 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 08:53:58,546 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:53:58,547 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:53:58,547 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:53:58,547 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:53:58,547 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 08:53:58,547 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 08:53:58,547 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:53:58,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:53:58,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 08:53:58,548 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:53:58,548 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:53:58,548 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:53:58,548 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 08:53:58,548 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 08:53:58,548 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:53:58,548 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 08:53:58,548 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 08:53:58,549 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_6e5997d7-49af-4477-bd50-0d7aeb62c98d/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 -> 8ccc35369aa7fc4059706b8166915b481ecdc09d [2018-12-02 08:53:58,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:53:58,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:53:58,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:53:58,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:53:58,577 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:53:58,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i [2018-12-02 08:53:58,611 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data/9e4509832/e6ebb8024e6e41b294f9d489b1335240/FLAG664f797ac [2018-12-02 08:53:59,054 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:53:59,054 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i [2018-12-02 08:53:59,057 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data/9e4509832/e6ebb8024e6e41b294f9d489b1335240/FLAG664f797ac [2018-12-02 08:53:59,065 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/data/9e4509832/e6ebb8024e6e41b294f9d489b1335240 [2018-12-02 08:53:59,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:53:59,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:53:59,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:53:59,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:53:59,071 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:53:59,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f078546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59, skipping insertion in model container [2018-12-02 08:53:59,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:53:59,090 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:53:59,185 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:53:59,190 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:53:59,207 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:53:59,217 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:53:59,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59 WrapperNode [2018-12-02 08:53:59,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:53:59,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:53:59,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:53:59,218 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:53:59,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:53:59,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:53:59,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:53:59,244 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:53:59,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:53:59,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:53:59,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:53:59,259 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:53:59,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/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 [2018-12-02 08:53:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:53:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:53:59,431 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:53:59,431 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-02 08:53:59,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:59 BoogieIcfgContainer [2018-12-02 08:53:59,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:53:59,432 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 08:53:59,432 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 08:53:59,440 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 08:53:59,440 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:59" (1/1) ... [2018-12-02 08:53:59,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:53:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:53:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-02 08:53:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-02 08:53:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 08:53:59,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:53:59,506 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-02 08:53:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:53:59,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:53:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:53:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:53:59,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-02 08:53:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-02 08:53:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 08:53:59,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:53:59,819 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-02 08:54:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:54:00,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:54:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:54:01,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:54:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-02 08:54:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-02 08:54:01,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 08:54:01,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:54:01,094 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-02 08:54:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:54:01,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:54:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:54:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:54:01,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2018-12-02 08:54:01,334 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2018-12-02 08:54:01,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:54:01,335 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-02 08:54:01,340 INFO L779 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-12-02 08:54:01,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:54:01 ImpRootNode [2018-12-02 08:54:01,354 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 08:54:01,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:54:01,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:54:01,354 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:54:01,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:59" (3/4) ... [2018-12-02 08:54:01,357 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:54:01,364 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 08:54:01,364 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 08:54:01,390 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e5997d7-49af-4477-bd50-0d7aeb62c98d/bin-2019/ukojak/witness.graphml [2018-12-02 08:54:01,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:54:01,390 INFO L168 Benchmark]: Toolchain (without parser) took 2322.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:54:01,391 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:54:01,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.41 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:54:01,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.95 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:54:01,392 INFO L168 Benchmark]: Boogie Preprocessor took 15.26 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:54:01,392 INFO L168 Benchmark]: RCFGBuilder took 172.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:54:01,393 INFO L168 Benchmark]: CodeCheck took 1922.37 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: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:54:01,393 INFO L168 Benchmark]: Witness Printer took 35.46 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. [2018-12-02 08:54:01,395 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, 15 locations, 3 error locations. SAFE Result, 1.8s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 13 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 29]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.41 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.95 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.26 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 172.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1922.37 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: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Witness Printer took 35.46 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 proved your program to be correct! Received shutdown request...