./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/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 af383046837f49b57572febe7198ecca5fffa750 .................................................................................................................................................................................................................... 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_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/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 af383046837f49b57572febe7198ecca5fffa750 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:54:06,525 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:54:06,526 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:54:06,532 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:54:06,532 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:54:06,533 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:54:06,533 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:54:06,534 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:54:06,535 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:54:06,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:54:06,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:54:06,536 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:54:06,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:54:06,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:54:06,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:54:06,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:54:06,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:54:06,539 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:54:06,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:54:06,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:54:06,541 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:54:06,542 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:54:06,543 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:54:06,543 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:54:06,543 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:54:06,543 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:54:06,544 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:54:06,544 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:54:06,545 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:54:06,545 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:54:06,545 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:54:06,546 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:54:06,546 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:54:06,546 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:54:06,546 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:54:06,547 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:54:06,547 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 18:54:06,554 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:54:06,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:54:06,554 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:54:06,555 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:54:06,555 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:54:06,555 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:54:06,555 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:54:06,555 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:54:06,555 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:54:06,555 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:54:06,555 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:54:06,555 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:54:06,556 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:54:06,556 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:54:06,556 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:54:06,556 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:54:06,557 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:54:06,557 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:54:06,557 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:54:06,557 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:54:06,557 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_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-12-01 18:54:06,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:54:06,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:54:06,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:54:06,587 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:54:06,587 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:54:06,588 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-01 18:54:06,632 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data/75919b87a/5bc1e678ca74418e86756d11cbe22a71/FLAGa55ff764d [2018-12-01 18:54:07,024 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:54:07,024 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-01 18:54:07,028 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data/75919b87a/5bc1e678ca74418e86756d11cbe22a71/FLAGa55ff764d [2018-12-01 18:54:07,036 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data/75919b87a/5bc1e678ca74418e86756d11cbe22a71 [2018-12-01 18:54:07,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:54:07,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:54:07,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:54:07,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:54:07,041 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:54:07,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff044c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07, skipping insertion in model container [2018-12-01 18:54:07,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:54:07,057 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:54:07,144 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:54:07,146 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:54:07,158 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:54:07,170 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:54:07,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07 WrapperNode [2018-12-01 18:54:07,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:54:07,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:54:07,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:54:07,171 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:54:07,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:54:07,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:54:07,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:54:07,219 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:54:07,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:54:07,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:54:07,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:54:07,230 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:54:07,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/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 [2018-12-01 18:54:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 18:54:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:54:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:54:07,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:54:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 18:54:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 18:54:07,374 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:54:07,374 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-01 18:54:07,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:54:07 BoogieIcfgContainer [2018-12-01 18:54:07,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:54:07,374 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:54:07,374 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:54:07,381 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:54:07,381 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:54:07" (1/1) ... [2018-12-01 18:54:07,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:54:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:07,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-01 18:54:07,410 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-01 18:54:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 18:54:07,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:54:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:54:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:54:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:54:07,510 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-01 18:54:07,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:54:07 ImpRootNode [2018-12-01 18:54:07,526 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:54:07,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:54:07,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:54:07,526 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:54:07,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:54:07" (3/4) ... [2018-12-01 18:54:07,529 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 18:54:07,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:54:07,529 INFO L168 Benchmark]: Toolchain (without parser) took 491.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:54:07,530 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-01 18:54:07,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:07,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:07,532 INFO L168 Benchmark]: Boogie Preprocessor took 11.68 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:07,532 INFO L168 Benchmark]: RCFGBuilder took 143.88 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:07,532 INFO L168 Benchmark]: CodeCheck took 151.42 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. [2018-12-01 18:54:07,533 INFO L168 Benchmark]: Witness Printer took 3.04 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. [2018-12-01 18:54:07,534 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, 0.1s 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, 3 NumberOfCodeBlocks, 3 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: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someUnaryDOUBLEoperation at line 111. Possible FailurePath: [L100] float sum = a + b; [L101] union mix m; [L102] m.f = sum [L103] EXPR m.i [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 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 47.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.68 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 143.88 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * CodeCheck took 151.42 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 3.04 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 [2018-12-01 18:54:08,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:54:08,836 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:54:08,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:54:08,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:54:08,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:54:08,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:54:08,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:54:08,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:54:08,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:54:08,846 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:54:08,847 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:54:08,847 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:54:08,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:54:08,848 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:54:08,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:54:08,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:54:08,850 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:54:08,851 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:54:08,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:54:08,852 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:54:08,853 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:54:08,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:54:08,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:54:08,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:54:08,854 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:54:08,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:54:08,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:54:08,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:54:08,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:54:08,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:54:08,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:54:08,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:54:08,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:54:08,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:54:08,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:54:08,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-01 18:54:08,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:54:08,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:54:08,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:54:08,866 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:54:08,867 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:54:08,867 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:54:08,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:54:08,867 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:54:08,867 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:54:08,867 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:54:08,867 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:54:08,867 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:54:08,868 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:54:08,868 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 18:54:08,868 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 18:54:08,868 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:54:08,868 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:54:08,868 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:54:08,868 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:54:08,868 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:54:08,869 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:54:08,869 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:54:08,869 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:54:08,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:54:08,869 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:54:08,869 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:54:08,869 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:54:08,870 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 18:54:08,870 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 18:54:08,870 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:54:08,870 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 18:54:08,870 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 18:54:08,870 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_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-12-01 18:54:08,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:54:08,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:54:08,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:54:08,898 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:54:08,898 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:54:08,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-01 18:54:08,934 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data/5b5eb5555/1c3d7227ac054eaaa6645d33dcc6b0aa/FLAGb18ad93e9 [2018-12-01 18:54:09,352 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:54:09,352 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-01 18:54:09,356 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data/5b5eb5555/1c3d7227ac054eaaa6645d33dcc6b0aa/FLAGb18ad93e9 [2018-12-01 18:54:09,364 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/data/5b5eb5555/1c3d7227ac054eaaa6645d33dcc6b0aa [2018-12-01 18:54:09,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:54:09,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:54:09,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:54:09,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:54:09,370 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:54:09,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3950fe1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09, skipping insertion in model container [2018-12-01 18:54:09,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:54:09,391 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:54:09,483 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:54:09,486 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:54:09,501 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:54:09,515 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:54:09,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09 WrapperNode [2018-12-01 18:54:09,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:54:09,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:54:09,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:54:09,516 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:54:09,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:54:09,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:54:09,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:54:09,538 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:54:09,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:54:09,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:54:09,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:54:09,553 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:54:09,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/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 [2018-12-01 18:54:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:54:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 18:54:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:54:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:54:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-01 18:54:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 18:54:09,698 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:54:09,732 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:54:09,733 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-01 18:54:09,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:54:09 BoogieIcfgContainer [2018-12-01 18:54:09,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:54:09,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:54:09,733 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:54:09,740 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:54:09,740 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:54:09" (1/1) ... [2018-12-01 18:54:09,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:54:09,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:09,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-01 18:54:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-01 18:54:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 18:54:09,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:09,800 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 18:54:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:09,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:54:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:54:09,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:09,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-12-01 18:54:09,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-12-01 18:54:09,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:54:09,925 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-12-01 18:54:09,930 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 18:54:09,937 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:09,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:54:09 ImpRootNode [2018-12-01 18:54:09,939 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:54:09,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:54:09,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:54:09,939 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:54:09,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:54:09" (3/4) ... [2018-12-01 18:54:09,941 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:54:09,947 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 18:54:09,947 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 18:54:09,947 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 18:54:09,969 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f68eac7e-a1b7-4ad2-ab5a-623a087b7d13/bin-2019/ukojak/witness.graphml [2018-12-01 18:54:09,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:54:09,970 INFO L168 Benchmark]: Toolchain (without parser) took 603.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:54:09,970 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-01 18:54:09,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.68 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. [2018-12-01 18:54:09,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.86 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. [2018-12-01 18:54:09,971 INFO L168 Benchmark]: Boogie Preprocessor took 15.22 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:54:09,971 INFO L168 Benchmark]: RCFGBuilder took 180.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:09,972 INFO L168 Benchmark]: CodeCheck took 205.44 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. [2018-12-01 18:54:09,972 INFO L168 Benchmark]: Witness Printer took 30.22 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:09,974 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, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 8 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 9 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: 103]: 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: 103]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.68 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 21.86 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. * Boogie Preprocessor took 15.22 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 180.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * CodeCheck took 205.44 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 30.22 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...