./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/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 1d363a30f559764c47bcb73d637f2d7196a1b97b ...................................................................................................................................................................................................................................................................................................................... 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_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/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 1d363a30f559764c47bcb73d637f2d7196a1b97b ....................................................................................................................................................................................................... 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-aa41828 [2018-11-23 12:09:35,764 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:09:35,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:09:35,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:09:35,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:09:35,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:09:35,773 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:09:35,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:09:35,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:09:35,776 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:09:35,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:09:35,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:09:35,777 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:09:35,778 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:09:35,779 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:09:35,779 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:09:35,780 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:09:35,781 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:09:35,782 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:09:35,783 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:09:35,784 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:09:35,784 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:09:35,786 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:09:35,786 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:09:35,786 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:09:35,787 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:09:35,788 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:09:35,788 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:09:35,789 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:09:35,789 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:09:35,790 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:09:35,790 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:09:35,790 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:09:35,790 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:09:35,791 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:09:35,791 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:09:35,792 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 12:09:35,801 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:09:35,801 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:09:35,801 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:09:35,801 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:09:35,802 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:09:35,802 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:09:35,802 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:09:35,802 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:09:35,802 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:09:35,803 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:09:35,803 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:09:35,803 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:09:35,803 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:09:35,803 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:09:35,803 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:09:35,803 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:09:35,803 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:09:35,804 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:09:35,804 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:09:35,804 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:09:35,804 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:09:35,804 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:09:35,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:09:35,804 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:09:35,805 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:09:35,805 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:09:35,805 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:09:35,805 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:09:35,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:09:35,805 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_5d11392e-0ab3-46fe-8625-95b445d94e98/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 -> 1d363a30f559764c47bcb73d637f2d7196a1b97b [2018-11-23 12:09:35,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:09:35,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:09:35,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:09:35,839 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:09:35,839 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:09:35,840 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-23 12:09:35,875 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data/2e7a6f834/d917cc3c111c4610ba099e9e1123b1fd/FLAG8bf26a131 [2018-11-23 12:09:36,270 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:09:36,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-23 12:09:36,274 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data/2e7a6f834/d917cc3c111c4610ba099e9e1123b1fd/FLAG8bf26a131 [2018-11-23 12:09:36,282 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data/2e7a6f834/d917cc3c111c4610ba099e9e1123b1fd [2018-11-23 12:09:36,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:09:36,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:09:36,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:09:36,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:09:36,288 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:09:36,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36, skipping insertion in model container [2018-11-23 12:09:36,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:09:36,315 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:09:36,448 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:09:36,452 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:09:36,463 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:09:36,478 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:09:36,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36 WrapperNode [2018-11-23 12:09:36,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:09:36,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:09:36,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:09:36,479 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:09:36,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:09:36,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:09:36,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:09:36,506 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:09:36,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:09:36,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:09:36,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:09:36,553 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:09:36,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/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 [2018-11-23 12:09:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:09:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:09:36,690 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:09:36,691 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 12:09:36,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:09:36 BoogieIcfgContainer [2018-11-23 12:09:36,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:09:36,691 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:09:36,691 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:09:36,698 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:09:36,698 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:09:36" (1/1) ... [2018-11-23 12:09:36,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:09:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:09:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 12:09:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 12:09:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 12:09:36,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:09:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:09:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:09:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:09:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:09:36,810 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~x~0, main_~x1~0;main_~x~0 := 1.0;main_~x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~x~0, 1.6); VAL [ULTIMATE.start_main_~x~0=1.0] [?] BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume !~someBinaryDOUBLEComparisonOperation(main_~x1~0, main_~x~0);}EndParallelComposition__VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~x~0, ~convertINTToDOUBLE(0)) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~x~0=1.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~x~0=1.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~x~0=1.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] havoc main_#res; [?] havoc main_~x~0, main_~x1~0; [L9] main_~x~0 := 1.0; [L10] main_~x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~x~0, 1.6); VAL [main_~x~0=1.0] [L12-L16] assume !~someBinaryDOUBLEComparisonOperation(main_~x1~0, main_~x~0); [L18] __VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~x~0, ~convertINTToDOUBLE(0)) then 1 else 0); [L18] havoc __VERIFIER_assert_~cond; [L2] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [L2] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [L2] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~x~0, main_~x1~0; [L9] main_~x~0 := 1.0; [L10] main_~x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~x~0, 1.6); VAL [main_~x~0=1.0] [L12-L16] assume !~someBinaryDOUBLEComparisonOperation(main_~x1~0, main_~x~0); [L18] __VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~x~0, ~convertINTToDOUBLE(0)) then 1 else 0); [L18] havoc __VERIFIER_assert_~cond; [L2] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [L2] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [L2] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [?] havoc main_#res; [?] havoc main_~x~0, main_~x1~0; [L9] main_~x~0 := 1.0; [L10] main_~x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~x~0, 1.6); VAL [main_~x~0=1.0] [L12-L16] COND TRUE !~someBinaryDOUBLEComparisonOperation(main_~x1~0, main_~x~0) [L18] __VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~x~0, ~convertINTToDOUBLE(0)) then 1 else 0); [L18] havoc __VERIFIER_assert_~cond; [L2] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [L2] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [L2] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~x~0, main_~x1~0; [L9] main_~x~0 := 1.0; [L10] main_~x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~x~0, 1.6); VAL [main_~x~0=1.0] [L12-L16] COND TRUE !~someBinaryDOUBLEComparisonOperation(main_~x1~0, main_~x~0) [L18] __VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~x~0, ~convertINTToDOUBLE(0)) then 1 else 0); [L18] havoc __VERIFIER_assert_~cond; [L2] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [L2] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [L2] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0] [L9] ~x~0 := 1.0; [L10] ~x1~0 := ~someBinaryArithmeticDOUBLEoperation(~x~0, 1.6); [L12-L16] COND TRUE !~someBinaryDOUBLEComparisonOperation(~x1~0, ~x~0) [L2] ~cond := #in~cond; [L2] COND TRUE 0 == ~cond [L2] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L9] ~x~0 := 1.0; [L10] ~x1~0 := ~someBinaryArithmeticDOUBLEoperation(~x~0, 1.6); [L12-L16] COND TRUE !~someBinaryDOUBLEComparisonOperation(~x1~0, ~x~0) [L2] ~cond := #in~cond; [L2] COND TRUE 0 == ~cond [L2] assert false; [L9] double x = 1.0; [L10] double x1 = x/1.6; [L12] COND FALSE !(x1 != x) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() ----- [2018-11-23 12:09:36,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:09:36 ImpRootNode [2018-11-23 12:09:36,831 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:09:36,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:09:36,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:09:36,832 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:09:36,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:09:36" (3/4) ... [2018-11-23 12:09:36,834 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 12:09:36,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:09:36,835 INFO L168 Benchmark]: Toolchain (without parser) took 550.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 954.8 MB in the beginning and 1.2 GB in the end (delta: -222.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:09:36,836 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:09:36,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:36,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.44 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:36,838 INFO L168 Benchmark]: Boogie Preprocessor took 47.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 941.4 MB in the beginning and 1.2 GB in the end (delta: -261.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:36,839 INFO L168 Benchmark]: RCFGBuilder took 138.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:36,839 INFO L168 Benchmark]: CodeCheck took 139.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:36,839 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:09:36,842 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, 10 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 12, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L9] double x = 1.0; [L10] double x1 = x/1.6; [L12] COND FALSE !(x1 != x) [L2] COND TRUE !(cond) [L2] __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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 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 26.44 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 941.4 MB in the beginning and 1.2 GB in the end (delta: -261.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 138.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * CodeCheck took 139.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 12:09:38,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:09:38,277 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:09:38,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:09:38,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:09:38,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:09:38,288 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:09:38,289 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:09:38,290 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:09:38,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:09:38,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:09:38,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:09:38,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:09:38,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:09:38,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:09:38,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:09:38,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:09:38,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:09:38,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:09:38,299 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:09:38,299 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:09:38,300 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:09:38,302 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:09:38,302 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:09:38,302 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:09:38,303 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:09:38,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:09:38,304 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:09:38,305 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:09:38,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:09:38,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:09:38,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:09:38,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:09:38,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:09:38,308 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:09:38,308 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:09:38,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 12:09:38,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:09:38,319 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:09:38,320 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:09:38,320 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:09:38,320 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:09:38,320 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:09:38,321 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:09:38,321 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:09:38,321 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:09:38,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:09:38,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:09:38,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:09:38,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:09:38,322 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 12:09:38,322 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 12:09:38,322 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:09:38,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:09:38,323 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:09:38,323 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:09:38,323 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:09:38,323 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:09:38,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:09:38,323 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:09:38,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:09:38,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:09:38,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:09:38,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:09:38,324 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 12:09:38,324 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 12:09:38,324 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:09:38,324 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 12:09:38,324 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 12:09:38,325 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_5d11392e-0ab3-46fe-8625-95b445d94e98/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 -> 1d363a30f559764c47bcb73d637f2d7196a1b97b [2018-11-23 12:09:38,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:09:38,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:09:38,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:09:38,368 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:09:38,368 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:09:38,369 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-23 12:09:38,411 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data/2d216786f/a353a34407fa4fdcae791bdcd1dbcd9d/FLAG4213a0907 [2018-11-23 12:09:38,810 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:09:38,810 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-23 12:09:38,813 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data/2d216786f/a353a34407fa4fdcae791bdcd1dbcd9d/FLAG4213a0907 [2018-11-23 12:09:38,822 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/bin-2019/ukojak/data/2d216786f/a353a34407fa4fdcae791bdcd1dbcd9d [2018-11-23 12:09:38,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:09:38,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:09:38,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:09:38,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:09:38,828 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:09:38,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:09:38" (1/1) ... [2018-11-23 12:09:38,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da8cef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:38, skipping insertion in model container [2018-11-23 12:09:38,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:09:38" (1/1) ... [2018-11-23 12:09:38,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:09:38,854 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:09:38,972 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:09:38,978 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:09:38,990 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:09:39,000 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:09:39,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39 WrapperNode [2018-11-23 12:09:39,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:09:39,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:09:39,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:09:39,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:09:39,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:09:39,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:09:39,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:09:39,025 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:09:39,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:09:39,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:09:39,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:09:39,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:09:39,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d11392e-0ab3-46fe-8625-95b445d94e98/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 [2018-11-23 12:09:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:09:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:09:39,900 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:09:39,900 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 12:09:39,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:09:39 BoogieIcfgContainer [2018-11-23 12:09:39,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:09:39,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:09:39,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:09:39,907 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:09:39,908 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:09:39" (1/1) ... [2018-11-23 12:09:39,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:09:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:09:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 12:09:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 12:09:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 12:09:39,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:09:39,973 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-23 12:09:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:09:41,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:09:44,043 WARN L180 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 11 [2018-11-23 12:09:44,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:09:45,294 WARN L180 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-23 12:10:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:10:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-23 12:10:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-23 12:10:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 12:10:10,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:10:10,632 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-23 12:10:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-23 12:10:22,035 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:505) 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) [2018-11-23 12:10:22,037 INFO L168 Benchmark]: Toolchain (without parser) took 43213.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:10:22,038 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:10:22,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.09 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:10:22,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.65 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:10:22,040 INFO L168 Benchmark]: Boogie Preprocessor took 14.10 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:10:22,040 INFO L168 Benchmark]: RCFGBuilder took 861.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:10:22,040 INFO L168 Benchmark]: CodeCheck took 42135.92 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:10:22,043 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:505) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.09 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 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 23.65 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.10 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 861.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * CodeCheck took 42135.92 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...