./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/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 94c7e44bedb585ab09170efda1a99dc421396ccb ....................................................................................................................................................................................................................................... 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_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/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 94c7e44bedb585ab09170efda1a99dc421396ccb .......................................................................................................................................................................................................................... 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 15:10:29,033 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:10:29,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:10:29,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:10:29,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:10:29,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:10:29,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:10:29,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:10:29,043 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:10:29,043 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:10:29,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:10:29,044 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:10:29,044 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:10:29,045 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:10:29,045 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:10:29,046 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:10:29,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:10:29,047 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:10:29,048 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:10:29,049 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:10:29,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:10:29,050 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:10:29,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:10:29,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:10:29,051 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:10:29,052 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:10:29,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:10:29,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:10:29,053 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:10:29,054 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:10:29,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:10:29,054 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:10:29,054 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:10:29,054 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:10:29,055 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:10:29,055 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:10:29,055 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 15:10:29,062 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:10:29,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:10:29,063 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:10:29,063 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 15:10:29,064 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:10:29,064 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:10:29,064 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:10:29,064 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:10:29,064 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:10:29,064 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:10:29,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:10:29,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:10:29,065 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:10:29,065 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:10:29,065 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:10:29,065 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:10:29,065 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:10:29,065 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:10:29,065 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:10:29,065 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:10:29,066 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:10:29,066 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:10:29,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:10:29,066 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:10:29,066 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:10:29,066 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:10:29,066 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 15:10:29,066 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:10:29,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:10:29,066 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_3ee4206d-20cf-4530-9dc8-6b51e8252136/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 -> 94c7e44bedb585ab09170efda1a99dc421396ccb [2018-12-01 15:10:29,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:10:29,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:10:29,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:10:29,092 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:10:29,092 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:10:29,093 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c [2018-12-01 15:10:29,126 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data/1d28af886/2f68132324ae4fbd9188ac51caac92bb/FLAG485a16bd9 [2018-12-01 15:10:29,511 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:10:29,511 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c [2018-12-01 15:10:29,514 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data/1d28af886/2f68132324ae4fbd9188ac51caac92bb/FLAG485a16bd9 [2018-12-01 15:10:29,522 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data/1d28af886/2f68132324ae4fbd9188ac51caac92bb [2018-12-01 15:10:29,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:10:29,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:10:29,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:10:29,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:10:29,527 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:10:29,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7faede09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29, skipping insertion in model container [2018-12-01 15:10:29,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:10:29,543 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:10:29,631 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:10:29,633 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:10:29,646 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:10:29,658 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:10:29,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29 WrapperNode [2018-12-01 15:10:29,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:10:29,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:10:29,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:10:29,659 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:10:29,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:10:29,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:10:29,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:10:29,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:10:29,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:10:29,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:10:29,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:10:29,728 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:10:29,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/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 15:10:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-01 15:10:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 15:10:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 15:10:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:10:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:10:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:10:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 15:10:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:10:29,901 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:10:29,901 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-01 15:10:29,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:10:29 BoogieIcfgContainer [2018-12-01 15:10:29,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:10:29,902 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:10:29,902 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:10:29,909 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:10:29,909 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:10:29" (1/1) ... [2018-12-01 15:10:29,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:10:29,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:10:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-01 15:10:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-01 15:10:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 15:10:29,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:10:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:10:30,043 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 15:10:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:10:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-12-01 15:10:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-12-01 15:10:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 15:10:30,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:10:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:10:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:10:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:10:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:10:30,148 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-01 15:10:30,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:10:30 ImpRootNode [2018-12-01 15:10:30,164 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:10:30,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:10:30,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:10:30,164 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:10:30,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:10:29" (3/4) ... [2018-12-01 15:10:30,167 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 15:10:30,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:10:30,167 INFO L168 Benchmark]: Toolchain (without parser) took 643.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -106.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:30,169 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:10:30,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.22 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:30,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:30,170 INFO L168 Benchmark]: Boogie Preprocessor took 15.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:30,170 INFO L168 Benchmark]: RCFGBuilder took 173.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:30,171 INFO L168 Benchmark]: CodeCheck took 261.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:30,171 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:10:30,173 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, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 11]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryArithmeticDOUBLEoperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of to_real at line 26. Possible FailurePath: [L41] double a,r; [L43] a = __VERIFIER_nondet_double() [L21] double xi, xsi, temp; [L22] signed int cond, exp; [L23] union double_int A_u, xi_u; [L24] A_u.d = A [L25] EXPR A_u.i [L25] exp = (signed int) ((A_u.i & 0x7FF0000000000000) >> 52) - 1023 [L26] xi_u.d = 1 [L27] xi_u.i = (((long long)(1023-exp)) << 52) [L28] EXPR xi_u.d [L28] xi = xi_u.d [L29] cond = 1 [L30] COND TRUE \read(cond) [L31] xsi = 2*xi-A*xi*xi [L32] temp = xsi-xi [L33] cond = ((temp > 1e-10) || (temp < -1e-10)) [L34] xi = xsi [L30] COND FALSE !(\read(cond)) [L36] return xi; [L36] return xi; [L36] return xi; [L46] r = inv(a) [L11] COND TRUE !(cond) [L11] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.22 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 173.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 261.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:10:31,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:10:31,530 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:10:31,536 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:10:31,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:10:31,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:10:31,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:10:31,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:10:31,538 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:10:31,539 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:10:31,539 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:10:31,539 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:10:31,540 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:10:31,540 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:10:31,541 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:10:31,541 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:10:31,541 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:10:31,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:10:31,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:10:31,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:10:31,544 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:10:31,545 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:10:31,546 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:10:31,546 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:10:31,546 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:10:31,547 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:10:31,547 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:10:31,547 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:10:31,548 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:10:31,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:10:31,549 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:10:31,549 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:10:31,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:10:31,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:10:31,550 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:10:31,550 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:10:31,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-01 15:10:31,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:10:31,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:10:31,558 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:10:31,558 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 15:10:31,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:10:31,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:10:31,559 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:10:31,559 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:10:31,560 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:10:31,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:10:31,560 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:10:31,560 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:10:31,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:10:31,560 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:10:31,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:10:31,560 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:10:31,560 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:10:31,560 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:10:31,561 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 15:10:31,561 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 15:10:31,561 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:10:31,561 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 15:10:31,561 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 15:10:31,561 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_3ee4206d-20cf-4530-9dc8-6b51e8252136/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 -> 94c7e44bedb585ab09170efda1a99dc421396ccb [2018-12-01 15:10:31,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:10:31,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:10:31,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:10:31,593 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:10:31,593 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:10:31,593 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c [2018-12-01 15:10:31,639 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data/ed0b90bba/e5282dbda5d8477e96259f160caa6dd0/FLAGd1b7e0436 [2018-12-01 15:10:32,036 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:10:32,036 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c [2018-12-01 15:10:32,040 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data/ed0b90bba/e5282dbda5d8477e96259f160caa6dd0/FLAGd1b7e0436 [2018-12-01 15:10:32,048 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/data/ed0b90bba/e5282dbda5d8477e96259f160caa6dd0 [2018-12-01 15:10:32,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:10:32,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:10:32,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:10:32,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:10:32,053 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:10:32,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e2f300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32, skipping insertion in model container [2018-12-01 15:10:32,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:10:32,069 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:10:32,162 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:10:32,165 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:10:32,180 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:10:32,197 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:10:32,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32 WrapperNode [2018-12-01 15:10:32,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:10:32,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:10:32,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:10:32,198 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:10:32,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:10:32,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:10:32,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:10:32,222 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:10:32,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... [2018-12-01 15:10:32,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:10:32,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:10:32,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:10:32,241 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:10:32,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/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 15:10:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-01 15:10:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-01 15:10:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-12-01 15:10:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:10:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:10:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:10:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-12-01 15:10:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:10:32,423 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 15:10:42,544 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:10:42,544 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-01 15:10:42,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:10:42 BoogieIcfgContainer [2018-12-01 15:10:42,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:10:42,544 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:10:42,545 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:10:42,551 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:10:42,551 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:10:42" (1/1) ... [2018-12-01 15:10:42,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:10:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:10:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-01 15:10:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-01 15:10:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 15:10:42,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:10:42,624 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 15:10:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:10:42,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:10:42,652 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 15:10:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:10:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 1 states and 0 transitions. [2018-12-01 15:10:42,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1 states and 0 transitions. [2018-12-01 15:10:42,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:10:42,656 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-12-01 15:10:42,662 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 15:10:42,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:10:42 ImpRootNode [2018-12-01 15:10:42,667 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:10:42,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:10:42,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:10:42,668 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:10:42,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:10:42" (3/4) ... [2018-12-01 15:10:42,670 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:10:42,675 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 15:10:42,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 15:10:42,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 15:10:42,701 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ee4206d-20cf-4530-9dc8-6b51e8252136/bin-2019/ukojak/witness.graphml [2018-12-01 15:10:42,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:10:42,701 INFO L168 Benchmark]: Toolchain (without parser) took 10651.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -115.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:10:42,702 INFO L168 Benchmark]: CDTParser took 0.17 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 15:10:42,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.05 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:42,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.54 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 15:10:42,703 INFO L168 Benchmark]: Boogie Preprocessor took 19.07 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 15:10:42,703 INFO L168 Benchmark]: RCFGBuilder took 10303.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:42,703 INFO L168 Benchmark]: CodeCheck took 122.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:42,704 INFO L168 Benchmark]: Witness Printer took 33.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:10:42,705 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, 1 error locations. SAFE Result, 0.0s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 11 ConjunctsInSsa, 1 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: 11]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 146.05 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.54 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 19.07 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 10303.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 122.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Witness Printer took 33.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...