./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/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 d83baf1cdb4ca03660244dae388672dd75d02b3f .................................................................................................................................................................................................................... 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_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/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 d83baf1cdb4ca03660244dae388672dd75d02b3f ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 01:32:39,360 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:32:39,361 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:32:39,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:32:39,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:32:39,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:32:39,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:32:39,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:32:39,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:32:39,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:32:39,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:32:39,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:32:39,373 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:32:39,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:32:39,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:32:39,375 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:32:39,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:32:39,377 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:32:39,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:32:39,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:32:39,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:32:39,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:32:39,381 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:32:39,381 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:32:39,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:32:39,382 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:32:39,382 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:32:39,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:32:39,383 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:32:39,384 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:32:39,384 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:32:39,384 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:32:39,384 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:32:39,384 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:32:39,385 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:32:39,385 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:32:39,386 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 01:32:39,396 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:32:39,396 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:32:39,397 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:32:39,397 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:32:39,397 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:32:39,397 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:32:39,397 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:32:39,398 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:32:39,398 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:32:39,398 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:32:39,398 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:32:39,398 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:32:39,398 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:32:39,398 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:32:39,399 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:32:39,399 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:32:39,399 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:32:39,399 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:32:39,399 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:32:39,399 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:32:39,399 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:32:39,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:32:39,400 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:32:39,400 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:32:39,400 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:32:39,400 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 01:32:39,400 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:32:39,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:32:39,400 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_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/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 -> d83baf1cdb4ca03660244dae388672dd75d02b3f [2018-11-10 01:32:39,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:32:39,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:32:39,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:32:39,436 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:32:39,437 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:32:39,437 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i [2018-11-10 01:32:39,479 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data/3b108677f/0b42c1e8b9b144e98a7d590e5e94a2da/FLAGa7f27385c [2018-11-10 01:32:39,876 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:32:39,877 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i [2018-11-10 01:32:39,880 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data/3b108677f/0b42c1e8b9b144e98a7d590e5e94a2da/FLAGa7f27385c [2018-11-10 01:32:39,891 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data/3b108677f/0b42c1e8b9b144e98a7d590e5e94a2da [2018-11-10 01:32:39,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:32:39,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:32:39,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:32:39,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:32:39,899 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:32:39,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:32:39" (1/1) ... [2018-11-10 01:32:39,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f26847f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:39, skipping insertion in model container [2018-11-10 01:32:39,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:32:39" (1/1) ... [2018-11-10 01:32:39,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:32:39,925 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:32:40,013 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:32:40,017 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:32:40,028 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:32:40,035 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:32:40,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40 WrapperNode [2018-11-10 01:32:40,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:32:40,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:32:40,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:32:40,036 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:32:40,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:32:40,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:32:40,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:32:40,055 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:32:40,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:32:40,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:32:40,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:32:40,064 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:32:40,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:32:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:32:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:32:40,209 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:32:40,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:32:40 BoogieIcfgContainer [2018-11-10 01:32:40,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:32:40,210 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 01:32:40,210 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 01:32:40,216 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 01:32:40,216 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:32:40" (1/1) ... [2018-11-10 01:32:40,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:32:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-10 01:32:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-10 01:32:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 01:32:40,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:32:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:32:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:32:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:32:40,321 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 01:32:40,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:32:40 ImpRootNode [2018-11-10 01:32:40,333 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 01:32:40,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:32:40,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:32:40,334 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:32:40,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:32:40" (3/4) ... [2018-11-10 01:32:40,336 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 01:32:40,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:32:40,337 INFO L168 Benchmark]: Toolchain (without parser) took 442.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:32:40,338 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:32:40,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.92 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:40,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.55 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:32:40,339 INFO L168 Benchmark]: Boogie Preprocessor took 8.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:40,340 INFO L168 Benchmark]: RCFGBuilder took 145.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:40,340 INFO L168 Benchmark]: CodeCheck took 123.59 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:40,341 INFO L168 Benchmark]: Witness Printer took 2.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:32:40,344 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, 12 locations, 2 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, 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: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 8, overapproximation of someBinaryArithmeticDOUBLEoperation at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L3] double x; [L4] int y; [L6] x=2 [L7] x-=0.6 [L8] y=x [L10] COND TRUE !(y==1) [L10] __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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.92 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 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 18.55 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.70 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 145.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 123.59 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.94 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 0.1.23-1dbac8b [2018-11-10 01:32:41,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:32:41,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:32:41,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:32:41,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:32:41,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:32:41,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:32:41,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:32:41,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:32:41,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:32:41,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:32:41,731 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:32:41,731 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:32:41,732 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:32:41,733 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:32:41,733 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:32:41,734 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:32:41,735 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:32:41,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:32:41,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:32:41,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:32:41,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:32:41,740 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:32:41,740 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:32:41,741 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:32:41,741 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:32:41,742 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:32:41,742 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:32:41,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:32:41,744 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:32:41,744 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:32:41,744 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:32:41,744 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:32:41,744 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:32:41,745 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:32:41,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:32:41,746 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 01:32:41,756 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:32:41,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:32:41,757 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:32:41,757 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:32:41,757 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:32:41,757 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:32:41,758 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:32:41,758 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:32:41,758 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:32:41,758 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:32:41,758 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:32:41,758 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:32:41,758 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:32:41,759 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 01:32:41,759 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 01:32:41,759 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:32:41,759 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:32:41,759 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:32:41,759 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:32:41,759 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:32:41,759 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:32:41,760 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:32:41,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:32:41,760 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:32:41,760 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:32:41,760 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:32:41,760 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 01:32:41,760 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 01:32:41,761 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:32:41,761 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 01:32:41,761 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 01:32:41,761 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_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/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 -> d83baf1cdb4ca03660244dae388672dd75d02b3f [2018-11-10 01:32:41,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:32:41,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:32:41,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:32:41,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:32:41,807 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:32:41,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i [2018-11-10 01:32:41,849 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data/4d365abe2/abbd70c698e9449892411bb3e52f7441/FLAGb238becc5 [2018-11-10 01:32:42,172 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:32:42,172 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/sv-benchmarks/c/floats-cbmc-regression/float1_true-unreach-call_true-termination.i [2018-11-10 01:32:42,175 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data/4d365abe2/abbd70c698e9449892411bb3e52f7441/FLAGb238becc5 [2018-11-10 01:32:42,183 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/data/4d365abe2/abbd70c698e9449892411bb3e52f7441 [2018-11-10 01:32:42,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:32:42,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:32:42,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:32:42,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:32:42,190 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:32:42,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20bfe8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42, skipping insertion in model container [2018-11-10 01:32:42,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:32:42,209 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:32:42,307 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:32:42,312 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:32:42,324 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:32:42,336 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:32:42,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42 WrapperNode [2018-11-10 01:32:42,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:32:42,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:32:42,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:32:42,337 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:32:42,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:32:42,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:32:42,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:32:42,357 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:32:42,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:32:42,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:32:42,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:32:42,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:32:42,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:32:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:32:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:32:42,554 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:32:42,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:32:42 BoogieIcfgContainer [2018-11-10 01:32:42,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:32:42,555 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 01:32:42,555 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 01:32:42,562 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 01:32:42,562 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:32:42" (1/1) ... [2018-11-10 01:32:42,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:32:42,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-10 01:32:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-10 01:32:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 01:32:42,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:42,626 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 01:32:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:42,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:32:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:42,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-11-10 01:32:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-11-10 01:32:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 01:32:42,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:42,747 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 01:32:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:42,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:32:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:42,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2018-11-10 01:32:42,853 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2018-11-10 01:32:42,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 01:32:42,853 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-10 01:32:42,859 INFO L778 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-11-10 01:32:42,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:32:42 ImpRootNode [2018-11-10 01:32:42,868 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 01:32:42,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:32:42,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:32:42,868 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:32:42,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:32:42" (3/4) ... [2018-11-10 01:32:42,871 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 01:32:42,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 01:32:42,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 01:32:42,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 01:32:42,902 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b6a3ee1-f74d-4930-9eb0-f1978637e72d/bin-2019/ukojak/witness.graphml [2018-11-10 01:32:42,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:32:42,903 INFO L168 Benchmark]: Toolchain (without parser) took 717.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:32:42,904 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:32:42,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.76 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 938.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:42,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.62 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:32:42,905 INFO L168 Benchmark]: Boogie Preprocessor took 11.37 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:42,905 INFO L168 Benchmark]: RCFGBuilder took 186.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -213.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:42,906 INFO L168 Benchmark]: CodeCheck took 312.55 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:42,906 INFO L168 Benchmark]: Witness Printer took 34.55 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. [2018-11-10 01:32:42,908 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, 12 locations, 2 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 12 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 3 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 5 NumberOfNonLiveVariables, 15 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 149.76 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 938.5 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 19.62 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.37 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 186.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -213.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * CodeCheck took 312.55 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 34.55 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...