./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c --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_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/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 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 .................................................................................................................................................................................................................. 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_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/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 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:27:24,405 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:27:24,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:27:24,413 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:27:24,414 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:27:24,414 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:27:24,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:27:24,416 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:27:24,416 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:27:24,417 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:27:24,417 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:27:24,417 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:27:24,418 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:27:24,418 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:27:24,419 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:27:24,419 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:27:24,419 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:27:24,420 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:27:24,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:27:24,422 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:27:24,423 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:27:24,423 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:27:24,424 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:27:24,425 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:27:24,425 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:27:24,425 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:27:24,425 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:27:24,426 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:27:24,426 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:27:24,427 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:27:24,427 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:27:24,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:27:24,428 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:27:24,428 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:27:24,429 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:27:24,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:27:24,430 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 17:27:24,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:27:24,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:27:24,438 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:27:24,438 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:27:24,438 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:27:24,438 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:27:24,439 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:27:24,439 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:27:24,439 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:27:24,439 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:27:24,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:27:24,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:27:24,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:27:24,440 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:27:24,440 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:27:24,440 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:27:24,440 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:27:24,440 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:27:24,440 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:27:24,441 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:27:24,441 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:27:24,441 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:27:24,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:27:24,441 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:27:24,441 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:27:24,442 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:27:24,442 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:27:24,442 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:27:24,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:27:24,442 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_588e7fb0-0f35-454f-a3bc-72fc27019455/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 -> 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 [2018-12-08 17:27:24,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:27:24,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:27:24,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:27:24,479 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:27:24,480 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:27:24,480 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c [2018-12-08 17:27:24,516 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data/36342d914/d7e3485c1846493cb129472217db688e/FLAG4e85b8292 [2018-12-08 17:27:24,890 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:27:24,891 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c [2018-12-08 17:27:24,894 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data/36342d914/d7e3485c1846493cb129472217db688e/FLAG4e85b8292 [2018-12-08 17:27:24,903 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data/36342d914/d7e3485c1846493cb129472217db688e [2018-12-08 17:27:24,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:27:24,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:27:24,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:27:24,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:27:24,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:27:24,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:27:24" (1/1) ... [2018-12-08 17:27:24,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a37943a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:24, skipping insertion in model container [2018-12-08 17:27:24,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:27:24" (1/1) ... [2018-12-08 17:27:24,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:27:24,925 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:27:25,008 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:27:25,011 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:27:25,019 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:27:25,028 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:27:25,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25 WrapperNode [2018-12-08 17:27:25,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:27:25,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:27:25,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:27:25,029 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:27:25,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:27:25,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:27:25,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:27:25,048 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:27:25,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:27:25,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:27:25,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:27:25,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:27:25,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/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 [2018-12-08 17:27:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:27:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:27:25,199 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:27:25,200 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-08 17:27:25,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:25 BoogieIcfgContainer [2018-12-08 17:27:25,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:27:25,200 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:27:25,200 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:27:25,207 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:27:25,207 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:25" (1/1) ... [2018-12-08 17:27:25,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:27:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-08 17:27:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-08 17:27:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 17:27:25,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:27:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:27:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:27:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:27:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:27:25,310 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-08 17:27:25,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:27:25 ImpRootNode [2018-12-08 17:27:25,322 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:27:25,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:27:25,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:27:25,323 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:27:25,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:25" (3/4) ... [2018-12-08 17:27:25,325 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 17:27:25,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:27:25,326 INFO L168 Benchmark]: Toolchain (without parser) took 420.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:27:25,327 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-08 17:27:25,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.79 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. [2018-12-08 17:27:25,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.26 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. [2018-12-08 17:27:25,328 INFO L168 Benchmark]: Boogie Preprocessor took 38.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:27:25,328 INFO L168 Benchmark]: RCFGBuilder took 113.70 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:27:25,329 INFO L168 Benchmark]: CodeCheck took 122.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:27:25,329 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:27:25,332 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: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryArithmeticFLOAToperation at line 18. Possible FailurePath: [L12] float x, y, z; [L14] x = __VERIFIER_nondet_float() [L17] COND TRUE x <= -1e-20f || x >= 1e-20f [L18] y = x * x [L8] COND TRUE !(cond) [L8] __VERIFIER_error() * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.79 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 18.26 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 38.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 113.70 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * CodeCheck took 122.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 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 0.1.23-635dfa2 [2018-12-08 17:27:26,635 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:27:26,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:27:26,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:27:26,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:27:26,642 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:27:26,643 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:27:26,644 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:27:26,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:27:26,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:27:26,645 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:27:26,645 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:27:26,646 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:27:26,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:27:26,647 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:27:26,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:27:26,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:27:26,649 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:27:26,650 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:27:26,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:27:26,651 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:27:26,651 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:27:26,653 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:27:26,653 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:27:26,653 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:27:26,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:27:26,654 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:27:26,654 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:27:26,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:27:26,655 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:27:26,655 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:27:26,656 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:27:26,656 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:27:26,656 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:27:26,657 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:27:26,657 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:27:26,657 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 17:27:26,664 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:27:26,664 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:27:26,665 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:27:26,665 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:27:26,665 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:27:26,666 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:27:26,666 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:27:26,666 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:27:26,666 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:27:26,666 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:27:26,666 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:27:26,666 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:27:26,667 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:27:26,667 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 17:27:26,667 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 17:27:26,667 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:27:26,667 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:27:26,667 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:27:26,667 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:27:26,667 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:27:26,668 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:27:26,668 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:27:26,668 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:27:26,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:27:26,668 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:27:26,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:27:26,668 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:27:26,668 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 17:27:26,669 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 17:27:26,669 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:27:26,669 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 17:27:26,669 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 17:27:26,669 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_588e7fb0-0f35-454f-a3bc-72fc27019455/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 -> 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 [2018-12-08 17:27:26,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:27:26,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:27:26,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:27:26,698 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:27:26,698 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:27:26,699 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c [2018-12-08 17:27:26,735 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data/357a1cd94/79493c842bff4e5382ffd3197f9525ee/FLAG4f1e08cc7 [2018-12-08 17:27:27,120 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:27:27,120 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c [2018-12-08 17:27:27,124 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data/357a1cd94/79493c842bff4e5382ffd3197f9525ee/FLAG4f1e08cc7 [2018-12-08 17:27:27,132 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/data/357a1cd94/79493c842bff4e5382ffd3197f9525ee [2018-12-08 17:27:27,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:27:27,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:27:27,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:27:27,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:27:27,137 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:27:27,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265c0857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27, skipping insertion in model container [2018-12-08 17:27:27,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:27:27,152 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:27:27,236 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:27:27,240 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:27:27,249 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:27:27,257 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:27:27,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27 WrapperNode [2018-12-08 17:27:27,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:27:27,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:27:27,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:27:27,259 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:27:27,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:27:27,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:27:27,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:27:27,279 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:27:27,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:27:27,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:27:27,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:27:27,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:27:27,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/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 [2018-12-08 17:27:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:27:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:27:27,919 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:27:27,919 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-08 17:27:27,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:27 BoogieIcfgContainer [2018-12-08 17:27:27,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:27:27,920 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:27:27,920 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:27:27,926 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:27:27,926 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:27:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-08 17:27:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-08 17:27:27,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 17:27:27,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:27:27,986 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 17:27:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:28,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:27:29,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:27:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:27:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-08 17:27:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-08 17:27:32,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:27:32,013 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-12-08 17:27:32,018 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 17:27:32,029 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 17:27:32,031 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 17:27:32,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:27:32 ImpRootNode [2018-12-08 17:27:32,032 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:27:32,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:27:32,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:27:32,032 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:27:32,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:27" (3/4) ... [2018-12-08 17:27:32,034 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:27:32,040 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 17:27:32,040 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 17:27:32,040 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:27:32,063 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_588e7fb0-0f35-454f-a3bc-72fc27019455/bin-2019/ukojak/witness.graphml [2018-12-08 17:27:32,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:27:32,063 INFO L168 Benchmark]: Toolchain (without parser) took 4929.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:27:32,064 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. [2018-12-08 17:27:32,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.93 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:27:32,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.29 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. [2018-12-08 17:27:32,065 INFO L168 Benchmark]: Boogie Preprocessor took 12.77 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. [2018-12-08 17:27:32,065 INFO L168 Benchmark]: RCFGBuilder took 628.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:27:32,066 INFO L168 Benchmark]: CodeCheck took 4111.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:27:32,066 INFO L168 Benchmark]: Witness Printer took 31.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:27:32,068 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. SAFE Result, 4.0s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 4 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 * 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 122.93 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.29 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 12.77 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 628.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * CodeCheck took 4111.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Witness Printer took 31.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...