./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.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_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/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 f6874e83bb98ef964ab4624a7a111074df579069 .................................................................................................................................................................................................................. 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_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/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 f6874e83bb98ef964ab4624a7a111074df579069 ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:45:26,053 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:45:26,054 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:45:26,062 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:45:26,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:45:26,063 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:45:26,064 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:45:26,065 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:45:26,066 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:45:26,067 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:45:26,068 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:45:26,068 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:45:26,068 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:45:26,069 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:45:26,070 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:45:26,070 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:45:26,071 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:45:26,072 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:45:26,073 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:45:26,074 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:45:26,074 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:45:26,075 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:45:26,076 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:45:26,077 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:45:26,077 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:45:26,077 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:45:26,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:45:26,078 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:45:26,079 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:45:26,079 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:45:26,080 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:45:26,080 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:45:26,080 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:45:26,080 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:45:26,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:45:26,081 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:45:26,082 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:45:26,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:45:26,091 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:45:26,092 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:45:26,092 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:45:26,092 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:45:26,092 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:45:26,092 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:45:26,093 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:45:26,093 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:45:26,093 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:45:26,093 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:45:26,093 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:45:26,093 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:45:26,093 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:45:26,093 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:45:26,094 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:45:26,094 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:45:26,094 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:45:26,094 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:45:26,094 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:45:26,094 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:45:26,094 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:45:26,094 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:45:26,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:45:26,095 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:45:26,095 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:45:26,095 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:45:26,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:45:26,095 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_2c705c02-9f01-45f2-bb4a-f289ed4d3597/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 -> f6874e83bb98ef964ab4624a7a111074df579069 [2018-11-10 12:45:26,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:45:26,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:45:26,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:45:26,130 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:45:26,131 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:45:26,131 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-11-10 12:45:26,176 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data/679fa4c17/bffc2565712f47429e335dfc12c9e787/FLAG9e6919a87 [2018-11-10 12:45:26,490 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:45:26,490 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-11-10 12:45:26,495 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data/679fa4c17/bffc2565712f47429e335dfc12c9e787/FLAG9e6919a87 [2018-11-10 12:45:26,505 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data/679fa4c17/bffc2565712f47429e335dfc12c9e787 [2018-11-10 12:45:26,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:45:26,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:45:26,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:45:26,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:45:26,512 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:45:26,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26, skipping insertion in model container [2018-11-10 12:45:26,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:45:26,535 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:45:26,620 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:45:26,623 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:45:26,631 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:45:26,638 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:45:26,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26 WrapperNode [2018-11-10 12:45:26,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:45:26,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:45:26,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:45:26,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:45:26,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:45:26,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:45:26,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:45:26,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:45:26,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:45:26,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:45:26,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:45:26,679 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:45:26,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/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 12:45:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:45:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:45:26,881 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:45:26,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:45:26 BoogieIcfgContainer [2018-11-10 12:45:26,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:45:26,882 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:45:26,882 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:45:26,890 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:45:26,890 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:45:26" (1/1) ... [2018-11-10 12:45:26,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:45:26,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 12:45:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 12:45:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 12:45:26,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:26,982 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 12:45:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 12:45:26,988 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 12:45:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:45:26,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:45:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:45:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:45:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:45:27,017 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 12:45:27,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:45:27 ImpRootNode [2018-11-10 12:45:27,032 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:45:27,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:45:27,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:45:27,032 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:45:27,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:45:26" (3/4) ... [2018-11-10 12:45:27,035 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:45:27,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:45:27,036 INFO L168 Benchmark]: Toolchain (without parser) took 528.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:45:27,037 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:45:27,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.01 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:45:27,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.93 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:45:27,038 INFO L168 Benchmark]: Boogie Preprocessor took 14.58 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:45:27,039 INFO L168 Benchmark]: RCFGBuilder took 202.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:45:27,039 INFO L168 Benchmark]: CodeCheck took 149.78 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:45:27,039 INFO L168 Benchmark]: Witness Printer took 2.97 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 12:45:27,042 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, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L9] float x = 1.0f; [L10] float x1 = x/1.6f; [L12] COND FALSE !(x1 != x) [L18] CALL __VERIFIER_assert(x == 0) [L2] COND TRUE !(cond) [L2] __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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.01 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 24.93 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.58 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 202.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 149.78 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.97 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 12:45:28,445 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:45:28,446 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:45:28,453 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:45:28,454 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:45:28,454 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:45:28,455 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:45:28,456 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:45:28,457 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:45:28,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:45:28,458 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:45:28,458 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:45:28,459 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:45:28,460 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:45:28,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:45:28,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:45:28,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:45:28,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:45:28,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:45:28,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:45:28,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:45:28,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:45:28,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:45:28,468 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:45:28,469 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:45:28,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:45:28,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:45:28,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:45:28,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:45:28,472 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:45:28,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:45:28,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:45:28,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:45:28,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:45:28,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:45:28,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:45:28,474 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 12:45:28,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:45:28,485 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:45:28,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:45:28,486 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:45:28,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:45:28,486 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:45:28,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:45:28,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:45:28,487 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:45:28,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:45:28,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:45:28,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:45:28,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:45:28,487 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:45:28,487 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:45:28,487 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:45:28,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:45:28,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:45:28,488 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:45:28,488 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:45:28,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:45:28,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:45:28,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:45:28,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:45:28,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:45:28,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:45:28,489 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 12:45:28,489 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 12:45:28,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:45:28,489 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:45:28,490 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:45:28,490 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_2c705c02-9f01-45f2-bb4a-f289ed4d3597/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 -> f6874e83bb98ef964ab4624a7a111074df579069 [2018-11-10 12:45:28,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:45:28,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:45:28,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:45:28,528 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:45:28,528 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:45:28,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-11-10 12:45:28,563 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data/61ec24f59/b82bda7a0ecc4b1694ae69d8b17e3cf3/FLAG4dbf02030 [2018-11-10 12:45:28,950 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:45:28,951 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-11-10 12:45:28,954 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data/61ec24f59/b82bda7a0ecc4b1694ae69d8b17e3cf3/FLAG4dbf02030 [2018-11-10 12:45:28,963 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/bin-2019/ukojak/data/61ec24f59/b82bda7a0ecc4b1694ae69d8b17e3cf3 [2018-11-10 12:45:28,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:45:28,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:45:28,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:45:28,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:45:28,969 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:45:28,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:45:28" (1/1) ... [2018-11-10 12:45:28,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629197e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:28, skipping insertion in model container [2018-11-10 12:45:28,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:45:28" (1/1) ... [2018-11-10 12:45:28,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:45:28,991 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:45:29,113 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:45:29,118 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:45:29,130 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:45:29,138 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:45:29,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29 WrapperNode [2018-11-10 12:45:29,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:45:29,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:45:29,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:45:29,140 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:45:29,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:45:29,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:45:29,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:45:29,159 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:45:29,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:45:29,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:45:29,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:45:29,172 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:45:29,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:45:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c705c02-9f01-45f2-bb4a-f289ed4d3597/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 12:45:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:45:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:45:29,586 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:45:29,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:45:29 BoogieIcfgContainer [2018-11-10 12:45:29,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:45:29,588 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:45:29,588 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:45:29,596 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:45:29,597 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:45:29" (1/1) ... [2018-11-10 12:45:29,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:45:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 12:45:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 12:45:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 12:45:29,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:29,671 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:45:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:29,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:45:29,689 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 12:45:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 12:45:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 12:45:29,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:45:29,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:29,697 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:45:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:29,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:45:30,728 WARN L179 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 12:45:30,735 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 12:45:32,086 WARN L179 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 12:45:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-10 12:45:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-10 12:45:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:45:36,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:36,833 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:45:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:37,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:45:39,140 WARN L179 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 12:45:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:45:40,795 WARN L179 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-10 12:45:46,970 WARN L179 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 17 [2018-11-10 12:45:55,834 WARN L179 SmtUtils]: Spent 4.86 s on a formula simplification that was a NOOP. DAG size: 18 [2018-11-10 12:46:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:46:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-10 12:46:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-10 12:46:05,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:46:05,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:46:05,012 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:46:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 12:46:15,298 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:46:15,300 INFO L168 Benchmark]: Toolchain (without parser) took 46334.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 949.8 MB in the beginning and 1.1 GB in the end (delta: -115.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:46:15,301 INFO L168 Benchmark]: CDTParser took 0.11 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 12:46:15,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.93 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:46:15,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.95 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:46:15,302 INFO L168 Benchmark]: Boogie Preprocessor took 13.28 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:46:15,302 INFO L168 Benchmark]: RCFGBuilder took 414.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:46:15,303 INFO L168 Benchmark]: CodeCheck took 45711.78 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:46:15,305 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) * 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.93 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.95 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.28 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 414.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * CodeCheck took 45711.78 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...