./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/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 be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 ................................................................................................................................................................................................................... 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_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/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 be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 ...................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:24:27,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:24:27,123 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:24:27,131 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:24:27,131 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:24:27,132 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:24:27,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:24:27,133 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:24:27,134 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:24:27,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:24:27,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:24:27,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:24:27,136 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:24:27,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:24:27,138 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:24:27,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:24:27,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:24:27,140 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:24:27,141 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:24:27,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:24:27,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:24:27,143 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:24:27,144 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:24:27,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:24:27,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:24:27,145 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:24:27,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:24:27,146 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:24:27,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:24:27,147 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:24:27,147 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:24:27,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:24:27,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:24:27,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:24:27,148 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:24:27,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:24:27,149 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:24:27,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:24:27,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:24:27,157 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:24:27,157 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:24:27,158 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:24:27,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:24:27,158 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:24:27,158 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:24:27,158 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:24:27,158 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:24:27,159 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:24:27,159 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:24:27,159 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:24:27,159 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:24:27,159 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:24:27,159 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:24:27,159 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:24:27,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:24:27,160 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:24:27,160 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:24:27,160 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:24:27,160 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:24:27,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:24:27,160 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:24:27,161 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:24:27,161 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:24:27,161 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:24:27,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:24:27,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:24:27,161 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_228d483e-8eb1-4cc3-b0e4-07a5156b78db/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 -> be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 [2018-11-18 17:24:27,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:24:27,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:24:27,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:24:27,198 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:24:27,198 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:24:27,198 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-11-18 17:24:27,243 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data/6287171d1/0bc0d352cc69420788132712a2bfa87e/FLAG2707c1e16 [2018-11-18 17:24:27,652 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:24:27,652 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-11-18 17:24:27,656 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data/6287171d1/0bc0d352cc69420788132712a2bfa87e/FLAG2707c1e16 [2018-11-18 17:24:27,666 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data/6287171d1/0bc0d352cc69420788132712a2bfa87e [2018-11-18 17:24:27,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:24:27,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:24:27,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:27,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:24:27,672 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:24:27,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c2102d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27, skipping insertion in model container [2018-11-18 17:24:27,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:24:27,691 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:24:27,799 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:27,802 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:24:27,811 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:27,819 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:24:27,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27 WrapperNode [2018-11-18 17:24:27,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:27,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:27,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:24:27,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:24:27,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:27,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:24:27,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:24:27,837 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:24:27,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... [2018-11-18 17:24:27,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:24:27,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:24:27,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:24:27,848 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:24:27,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/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 [2018-11-18 17:24:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:24:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:24:28,003 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:24:28,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:28 BoogieIcfgContainer [2018-11-18 17:24:28,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:24:28,004 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:24:28,004 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:24:28,012 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:24:28,013 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:28" (1/1) ... [2018-11-18 17:24:28,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-18 17:24:28,051 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-18 17:24:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 17:24:28,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:28,135 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 17:24:28,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:24:28 ImpRootNode [2018-11-18 17:24:28,153 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:24:28,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:24:28,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:24:28,153 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:24:28,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:28" (3/4) ... [2018-11-18 17:24:28,156 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:24:28,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:24:28,157 INFO L168 Benchmark]: Toolchain (without parser) took 487.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:24:28,158 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:24:28,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.30 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:28,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:28,159 INFO L168 Benchmark]: Boogie Preprocessor took 10.49 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:24:28,159 INFO L168 Benchmark]: RCFGBuilder took 155.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:28,160 INFO L168 Benchmark]: CodeCheck took 149.19 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:28,160 INFO L168 Benchmark]: Witness Printer took 2.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:24:28,163 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, 9 locations, 1 error locations. UNSAFE Result, 0.1s 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: 25]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L1] int __return_main; [L7] float main__x = 1.0; [L8] float main__x1 = main__x / 2.5; VAL [__return_main=0] [L10] COND FALSE !(main__x1 != main__x) [L19] int __tmp_1; [L20] __tmp_1 = main__x == 0 [L21] int __VERIFIER_assert__cond; [L22] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L23] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L25] __VERIFIER_error() VAL [__return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 149.30 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 17.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.49 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 155.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 149.19 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 17:24:29,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:24:29,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:24:29,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:24:29,578 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:24:29,579 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:24:29,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:24:29,581 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:24:29,581 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:24:29,582 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:24:29,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:24:29,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:24:29,583 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:24:29,583 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:24:29,584 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:24:29,584 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:24:29,585 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:24:29,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:24:29,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:24:29,588 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:24:29,589 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:24:29,589 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:24:29,590 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:24:29,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:24:29,591 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:24:29,591 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:24:29,592 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:24:29,592 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:24:29,593 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:24:29,593 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:24:29,594 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:24:29,594 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:24:29,594 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:24:29,594 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:24:29,595 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:24:29,595 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:24:29,596 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 17:24:29,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:24:29,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:24:29,606 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:24:29,606 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:24:29,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:24:29,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:24:29,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:24:29,607 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:24:29,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:24:29,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:24:29,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:24:29,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:24:29,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:24:29,608 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:24:29,608 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:24:29,608 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:24:29,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:24:29,609 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:24:29,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:24:29,609 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:24:29,609 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:24:29,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:24:29,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:24:29,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:24:29,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:24:29,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:24:29,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:24:29,610 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 17:24:29,610 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:24:29,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:24:29,610 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:24:29,611 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:24:29,611 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_228d483e-8eb1-4cc3-b0e4-07a5156b78db/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 -> be771be9f49958c0d6d4d5ef96bf28c3ee3bd9a8 [2018-11-18 17:24:29,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:24:29,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:24:29,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:24:29,656 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:24:29,656 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:24:29,656 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-11-18 17:24:29,701 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data/cee943281/323029f88c464daf9a5d424bb2b5f56e/FLAGb3995d124 [2018-11-18 17:24:30,014 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:24:30,015 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/sv-benchmarks/c/floats-esbmc-regression/Float_div_true-unreach-call.i.p+cfa-reducer.c [2018-11-18 17:24:30,018 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data/cee943281/323029f88c464daf9a5d424bb2b5f56e/FLAGb3995d124 [2018-11-18 17:24:30,456 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/bin-2019/ukojak/data/cee943281/323029f88c464daf9a5d424bb2b5f56e [2018-11-18 17:24:30,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:24:30,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:24:30,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:30,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:24:30,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:24:30,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689feb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30, skipping insertion in model container [2018-11-18 17:24:30,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:24:30,480 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:24:30,587 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:30,592 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:24:30,601 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:30,611 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:24:30,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30 WrapperNode [2018-11-18 17:24:30,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:30,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:30,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:24:30,612 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:24:30,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:30,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:24:30,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:24:30,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:24:30,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... [2018-11-18 17:24:30,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:24:30,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:24:30,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:24:30,644 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:24:30,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_228d483e-8eb1-4cc3-b0e4-07a5156b78db/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 [2018-11-18 17:24:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:24:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:24:35,064 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:24:35,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:35 BoogieIcfgContainer [2018-11-18 17:24:35,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:24:35,065 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:24:35,066 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:24:35,072 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:24:35,072 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:35" (1/1) ... [2018-11-18 17:24:35,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:24:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-18 17:24:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-18 17:24:35,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 17:24:35,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:24:35,134 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:24:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:36,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:24:51,109 WARN L180 SmtUtils]: Spent 8.34 s on a formula simplification that was a NOOP. DAG size: 14 [2018-11-18 17:24:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:25:08,826 WARN L180 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 15 [2018-11-18 17:25:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:25:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-18 17:25:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-18 17:25:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 17:25:48,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:25:48,210 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:25:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 17:25:58,607 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) [2018-11-18 17:25:58,609 INFO L168 Benchmark]: Toolchain (without parser) took 88150.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -110.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:25:58,610 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-18 17:25:58,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.58 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:58,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.82 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:58,612 INFO L168 Benchmark]: Boogie Preprocessor took 12.86 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:25:58,612 INFO L168 Benchmark]: RCFGBuilder took 4420.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:58,613 INFO L168 Benchmark]: CodeCheck took 83543.62 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:58,616 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 0.15 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 152.58 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.82 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.86 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4420.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * CodeCheck took 83543.62 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...