./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/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 c9c4c4712c0b03f250e94d62f797a284bfa7b46f ................................................................................................................................................................................................................... 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_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/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 c9c4c4712c0b03f250e94d62f797a284bfa7b46f ................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:37:57,831 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:37:57,832 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:37:57,841 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:37:57,841 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:37:57,842 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:37:57,843 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:37:57,844 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:37:57,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:37:57,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:37:57,846 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:37:57,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:37:57,847 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:37:57,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:37:57,848 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:37:57,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:37:57,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:37:57,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:37:57,852 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:37:57,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:37:57,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:37:57,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:37:57,857 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:37:57,857 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:37:57,857 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:37:57,858 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:37:57,859 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:37:57,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:37:57,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:37:57,861 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:37:57,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:37:57,861 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:37:57,861 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:37:57,862 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:37:57,862 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:37:57,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:37:57,863 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 11:37:57,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:37:57,874 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:37:57,874 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:37:57,874 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:37:57,875 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:37:57,875 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:37:57,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:37:57,875 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:37:57,875 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:37:57,875 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:37:57,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:37:57,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:37:57,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:37:57,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:37:57,876 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:37:57,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:37:57,876 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:37:57,876 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:37:57,876 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:37:57,877 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:37:57,877 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:37:57,877 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:37:57,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:37:57,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:37:57,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:37:57,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:37:57,878 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 11:37:57,878 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:37:57,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:37:57,878 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_88fb85d3-167e-43c9-9d22-9681e314de88/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 -> c9c4c4712c0b03f250e94d62f797a284bfa7b46f [2018-12-09 11:37:57,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:37:57,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:37:57,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:37:57,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:37:57,904 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:37:57,904 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i [2018-12-09 11:37:57,939 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data/3ce9cc9b7/4a88f685300242beb97565fddd2417da/FLAG9fde00654 [2018-12-09 11:37:58,367 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:37:58,367 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i [2018-12-09 11:37:58,371 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data/3ce9cc9b7/4a88f685300242beb97565fddd2417da/FLAG9fde00654 [2018-12-09 11:37:58,379 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data/3ce9cc9b7/4a88f685300242beb97565fddd2417da [2018-12-09 11:37:58,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:37:58,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:37:58,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:37:58,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:37:58,384 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:37:58,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58, skipping insertion in model container [2018-12-09 11:37:58,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:37:58,399 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:37:58,484 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:37:58,487 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:37:58,495 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:37:58,502 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:37:58,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58 WrapperNode [2018-12-09 11:37:58,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:37:58,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:37:58,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:37:58,503 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:37:58,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:37:58,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:37:58,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:37:58,521 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:37:58,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:37:58,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:37:58,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:37:58,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:37:58,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:37:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:37:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:37:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:37:58,670 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:37:58,671 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 11:37:58,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:37:58 BoogieIcfgContainer [2018-12-09 11:37:58,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:37:58,671 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:37:58,671 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:37:58,677 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:37:58,677 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:37:58" (1/1) ... [2018-12-09 11:37:58,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:37:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:37:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-09 11:37:58,704 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-09 11:37:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 11:37:58,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:37:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:37:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:37:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:37:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:37:58,772 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-09 11:37:58,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 11:37:58 ImpRootNode [2018-12-09 11:37:58,783 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 11:37:58,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:37:58,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:37:58,784 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:37:58,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:37:58" (3/4) ... [2018-12-09 11:37:58,786 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:37:58,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:37:58,787 INFO L168 Benchmark]: Toolchain (without parser) took 405.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:37:58,788 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:37:58,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 120.41 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:37:58,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.52 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:37:58,789 INFO L168 Benchmark]: Boogie Preprocessor took 38.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:37:58,789 INFO L168 Benchmark]: RCFGBuilder took 112.23 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:37:58,790 INFO L168 Benchmark]: CodeCheck took 111.98 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:37:58,790 INFO L168 Benchmark]: Witness Printer took 2.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:37:58,793 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 someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L9] float x = 1.0f; [L10] float x1 = x/2.5f; [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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 120.41 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 17.52 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 112.23 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * CodeCheck took 111.98 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:38:00,052 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:38:00,053 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:38:00,059 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:38:00,059 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:38:00,059 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:38:00,060 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:38:00,061 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:38:00,061 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:38:00,062 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:38:00,062 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:38:00,062 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:38:00,063 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:38:00,063 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:38:00,064 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:38:00,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:38:00,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:38:00,065 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:38:00,067 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:38:00,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:38:00,068 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:38:00,069 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:38:00,070 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:38:00,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:38:00,070 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:38:00,070 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:38:00,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:38:00,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:38:00,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:38:00,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:38:00,073 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:38:00,073 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:38:00,073 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:38:00,074 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:38:00,074 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:38:00,074 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:38:00,074 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 11:38:00,084 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:38:00,084 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:38:00,085 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:38:00,085 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:38:00,086 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:38:00,086 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:38:00,086 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:38:00,086 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:38:00,086 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:38:00,086 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:38:00,087 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:38:00,087 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:38:00,087 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:38:00,087 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 11:38:00,087 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 11:38:00,087 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:38:00,088 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:38:00,088 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:38:00,088 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:38:00,088 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:38:00,088 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:38:00,088 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:38:00,089 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:38:00,089 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:38:00,089 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:38:00,089 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:38:00,089 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:38:00,089 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 11:38:00,089 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 11:38:00,090 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:38:00,090 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 11:38:00,090 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 11:38:00,090 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_88fb85d3-167e-43c9-9d22-9681e314de88/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 -> c9c4c4712c0b03f250e94d62f797a284bfa7b46f [2018-12-09 11:38:00,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:38:00,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:38:00,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:38:00,124 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:38:00,124 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:38:00,125 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i [2018-12-09 11:38:00,159 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data/dcfb83e08/0e83f2dd140c4095b1a773f1f50d6588/FLAG740371e71 [2018-12-09 11:38:00,495 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:38:00,495 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i [2018-12-09 11:38:00,498 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data/dcfb83e08/0e83f2dd140c4095b1a773f1f50d6588/FLAG740371e71 [2018-12-09 11:38:00,894 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/data/dcfb83e08/0e83f2dd140c4095b1a773f1f50d6588 [2018-12-09 11:38:00,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:38:00,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:38:00,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:38:00,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:38:00,900 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:38:00,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:38:00" (1/1) ... [2018-12-09 11:38:00,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63407dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:00, skipping insertion in model container [2018-12-09 11:38:00,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:38:00" (1/1) ... [2018-12-09 11:38:00,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:38:00,917 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:38:01,008 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:38:01,013 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:38:01,022 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:38:01,031 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:38:01,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01 WrapperNode [2018-12-09 11:38:01,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:38:01,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:38:01,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:38:01,032 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:38:01,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:38:01,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:38:01,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:38:01,052 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:38:01,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:38:01,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:38:01,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:38:01,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:38:01,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:38:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88fb85d3-167e-43c9-9d22-9681e314de88/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:38:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:38:01,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:38:01,398 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:38:01,398 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 11:38:01,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:38:01 BoogieIcfgContainer [2018-12-09 11:38:01,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:38:01,399 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:38:01,399 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:38:01,405 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:38:01,406 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:38:01" (1/1) ... [2018-12-09 11:38:01,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:38:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:38:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-09 11:38:01,432 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-09 11:38:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 11:38:01,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:38:01,465 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 11:38:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:01,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:38:02,111 WARN L180 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 11:38:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:38:03,040 WARN L180 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-09 11:38:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:38:05,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-09 11:38:05,869 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-09 11:38:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 11:38:05,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:38:05,870 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 11:38:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:06,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:38:08,026 WARN L180 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-12-09 11:38:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:38:09,156 WARN L180 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-09 11:38:12,882 WARN L180 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 17 [2018-12-09 11:38:17,102 WARN L180 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 18 [2018-12-09 11:38:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:38:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 11:38:21,460 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 11:38:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 11:38:21,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:38:21,463 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 11:38:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:38:22,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:38:24,111 WARN L180 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-12-09 11:38:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:38:25,387 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-09 11:38:31,414 WARN L180 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 21 [2018-12-09 11:38:36,349 WARN L180 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-09 11:38:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:38:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-12-09 11:38:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-12-09 11:38:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 11:38:42,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:38:42,573 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 11:38:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-09 11:38:52,901 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:509) 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) [2018-12-09 11:38:52,904 INFO L168 Benchmark]: Toolchain (without parser) took 52007.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -94.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:38:52,905 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:38:52,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.65 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:38:52,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.20 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:38:52,906 INFO L168 Benchmark]: Boogie Preprocessor took 15.74 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:38:52,906 INFO L168 Benchmark]: RCFGBuilder took 330.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:38:52,907 INFO L168 Benchmark]: CodeCheck took 51504.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:38:52,909 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:509) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.65 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.20 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.74 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * CodeCheck took 51504.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...