./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_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_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc ........................................................................................................................................................................................................................................ 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_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:56:25,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:56:25,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:56:25,872 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:56:25,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:56:25,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:56:25,874 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:56:25,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:56:25,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:56:25,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:56:25,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:56:25,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:56:25,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:56:25,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:56:25,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:56:25,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:56:25,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:56:25,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:56:25,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:56:25,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:56:25,882 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:56:25,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:56:25,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:56:25,884 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:56:25,884 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:56:25,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:56:25,885 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:56:25,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:56:25,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:56:25,886 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:56:25,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:56:25,887 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:56:25,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:56:25,887 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:56:25,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:56:25,888 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:56:25,888 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 20:56:25,895 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:56:25,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:56:25,896 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:56:25,896 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 20:56:25,896 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:56:25,896 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:56:25,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:56:25,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:56:25,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:56:25,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:56:25,897 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 20:56:25,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:56:25,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:56:25,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 20:56:25,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:56:25,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:56:25,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:56:25,898 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 20:56:25,898 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:56:25,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:56:25,898 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_169d9d1b-234f-4f7c-a575-678e4d8a109d/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-12-02 20:56:25,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:56:25,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:56:25,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:56:25,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:56:25,924 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:56:25,925 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-12-02 20:56:25,959 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data/0cc0c713d/6629d9ed226840c99487923c50072df2/FLAG309397128 [2018-12-02 20:56:26,344 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:56:26,345 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-12-02 20:56:26,349 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data/0cc0c713d/6629d9ed226840c99487923c50072df2/FLAG309397128 [2018-12-02 20:56:26,356 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data/0cc0c713d/6629d9ed226840c99487923c50072df2 [2018-12-02 20:56:26,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:56:26,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:56:26,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:56:26,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:56:26,361 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:56:26,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e9f86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26, skipping insertion in model container [2018-12-02 20:56:26,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:56:26,378 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:56:26,475 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:56:26,477 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:56:26,495 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:56:26,507 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:56:26,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26 WrapperNode [2018-12-02 20:56:26,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:56:26,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:56:26,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:56:26,508 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:56:26,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:56:26,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:56:26,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:56:26,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:56:26,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:56:26,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:56:26,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:56:26,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:56:26,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/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 [2018-12-02 20:56:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 20:56:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 20:56:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 20:56:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:56:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:56:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:56:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 20:56:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:56:26,871 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:56:26,871 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 20:56:26,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:26 BoogieIcfgContainer [2018-12-02 20:56:26,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:56:26,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 20:56:26,872 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 20:56:26,880 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 20:56:26,881 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:26" (1/1) ... [2018-12-02 20:56:26,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:56:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-12-02 20:56:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-12-02 20:56:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 20:56:26,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:26,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2018-12-02 20:56:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2018-12-02 20:56:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 20:56:26,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:56:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:56:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:56:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:56:27,050 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-02 20:56:27,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:56:27 ImpRootNode [2018-12-02 20:56:27,075 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 20:56:27,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:56:27,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:56:27,075 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:56:27,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:26" (3/4) ... [2018-12-02 20:56:27,079 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 20:56:27,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:56:27,079 INFO L168 Benchmark]: Toolchain (without parser) took 720.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -104.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:27,081 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:56:27,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.48 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 941.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:27,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:27,082 INFO L168 Benchmark]: Boogie Preprocessor took 18.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:56:27,082 INFO L168 Benchmark]: RCFGBuilder took 285.36 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: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:27,083 INFO L168 Benchmark]: CodeCheck took 202.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:27,083 INFO L168 Benchmark]: Witness Printer took 3.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:56:27,085 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, 37 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 57 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of bitwiseAnd at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 27. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L101] float x = 0.0f; [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (ix) = gf_u.word [L24] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L102] float res = __ieee754_sqrtf(x); [L105] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L105] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L106] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] * 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.48 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 941.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.15 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. * RCFGBuilder took 285.36 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: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * CodeCheck took 202.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:56:28,313 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:56:28,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:56:28,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:56:28,321 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:56:28,322 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:56:28,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:56:28,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:56:28,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:56:28,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:56:28,326 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:56:28,326 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:56:28,327 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:56:28,327 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:56:28,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:56:28,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:56:28,329 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:56:28,330 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:56:28,332 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:56:28,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:56:28,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:56:28,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:56:28,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:56:28,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:56:28,336 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:56:28,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:56:28,337 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:56:28,338 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:56:28,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:56:28,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:56:28,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:56:28,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:56:28,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:56:28,340 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:56:28,341 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:56:28,341 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:56:28,341 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 20:56:28,352 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:56:28,352 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:56:28,353 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:56:28,353 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 20:56:28,353 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:56:28,353 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:56:28,354 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:56:28,354 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:56:28,355 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:56:28,355 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:56:28,355 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 20:56:28,355 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 20:56:28,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:56:28,355 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:56:28,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 20:56:28,355 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:56:28,356 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:56:28,356 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:56:28,356 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 20:56:28,356 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 20:56:28,356 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:56:28,356 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 20:56:28,356 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 20:56:28,356 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_169d9d1b-234f-4f7c-a575-678e4d8a109d/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-12-02 20:56:28,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:56:28,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:56:28,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:56:28,388 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:56:28,388 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:56:28,389 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-12-02 20:56:28,424 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data/9e28061aa/9a4a4a6e986b43bd8d203642677b029d/FLAG231b3899e [2018-12-02 20:56:28,863 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:56:28,864 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-12-02 20:56:28,867 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data/9e28061aa/9a4a4a6e986b43bd8d203642677b029d/FLAG231b3899e [2018-12-02 20:56:28,875 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/data/9e28061aa/9a4a4a6e986b43bd8d203642677b029d [2018-12-02 20:56:28,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:56:28,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:56:28,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:56:28,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:56:28,881 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:56:28,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:28" (1/1) ... [2018-12-02 20:56:28,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:28, skipping insertion in model container [2018-12-02 20:56:28,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:28" (1/1) ... [2018-12-02 20:56:28,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:56:28,898 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:56:28,995 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:56:28,999 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:56:29,019 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:56:29,034 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:56:29,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29 WrapperNode [2018-12-02 20:56:29,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:56:29,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:56:29,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:56:29,035 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:56:29,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2018-12-02 20:56:29,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2018-12-02 20:56:29,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:56:29,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:56:29,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:56:29,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:56:29,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2018-12-02 20:56:29,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2018-12-02 20:56:29,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2018-12-02 20:56:29,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2018-12-02 20:56:29,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2018-12-02 20:56:29,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2018-12-02 20:56:29,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2018-12-02 20:56:29,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:56:29,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:56:29,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:56:29,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:56:29,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/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 [2018-12-02 20:56:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 20:56:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:56:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 20:56:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:56:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:56:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 20:56:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 20:56:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:56:29,243 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 20:56:29,716 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 20:56:30,741 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:56:30,741 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 20:56:30,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:30 BoogieIcfgContainer [2018-12-02 20:56:30,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:56:30,742 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 20:56:30,742 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 20:56:30,749 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 20:56:30,750 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:30" (1/1) ... [2018-12-02 20:56:30,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:56:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-12-02 20:56:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-12-02 20:56:30,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 20:56:30,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:30,823 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:30,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:30,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:30,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2018-12-02 20:56:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2018-12-02 20:56:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 20:56:30,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:30,852 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:30,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:30,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-12-02 20:56:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-12-02 20:56:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 20:56:31,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:31,160 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:31,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:33,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-12-02 20:56:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-12-02 20:56:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:56:33,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:33,301 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:33,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2018-12-02 20:56:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2018-12-02 20:56:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:56:34,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:34,097 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:34,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2018-12-02 20:56:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-12-02 20:56:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:56:34,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:34,114 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:34,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-12-02 20:56:34,793 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-12-02 20:56:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:56:34,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:34,795 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:34,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-12-02 20:56:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-12-02 20:56:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:56:34,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:34,836 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:34,856 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2018-12-02 20:56:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2018-12-02 20:56:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:56:35,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:35,023 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:35,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:35,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2018-12-02 20:56:35,314 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2018-12-02 20:56:35,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:56:35,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:35,317 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:35,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:35,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:35,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2018-12-02 20:56:35,557 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2018-12-02 20:56:35,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:56:35,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:35,558 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:35,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:35,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2018-12-02 20:56:35,900 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2018-12-02 20:56:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 20:56:35,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:35,901 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:35,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:36,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2018-12-02 20:56:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2018-12-02 20:56:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 20:56:36,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:36,220 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:36,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:36,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:36,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2018-12-02 20:56:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2018-12-02 20:56:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 20:56:36,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:36,509 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:36,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-12-02 20:56:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-12-02 20:56:36,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 20:56:36,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:36,798 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:36,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2018-12-02 20:56:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2018-12-02 20:56:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 20:56:37,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:37,173 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:37,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:37,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2018-12-02 20:56:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2018-12-02 20:56:37,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 20:56:37,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:37,532 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:37,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:37,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2018-12-02 20:56:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2018-12-02 20:56:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 20:56:37,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:37,947 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:37,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2018-12-02 20:56:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2018-12-02 20:56:38,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 20:56:38,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:38,354 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:38,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:38,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2018-12-02 20:56:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2018-12-02 20:56:38,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 20:56:38,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:38,787 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:38,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2018-12-02 20:56:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2018-12-02 20:56:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 20:56:39,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:39,265 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:39,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:39,379 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:39,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:39,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2018-12-02 20:56:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2018-12-02 20:56:39,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 20:56:39,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:39,739 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:39,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:40,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2018-12-02 20:56:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2018-12-02 20:56:40,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 20:56:40,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:40,410 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:40,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2018-12-02 20:56:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2018-12-02 20:56:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 20:56:40,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:40,917 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:40,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 70 transitions. [2018-12-02 20:56:41,500 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2018-12-02 20:56:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 20:56:41,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:41,501 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:41,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2018-12-02 20:56:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2018-12-02 20:56:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 20:56:42,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:42,061 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:42,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2018-12-02 20:56:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2018-12-02 20:56:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 20:56:42,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:42,912 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:42,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:43,052 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-12-02 20:56:43,552 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-12-02 20:56:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 20:56:43,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:43,553 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:43,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2018-12-02 20:56:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2018-12-02 20:56:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 20:56:44,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:44,211 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:44,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:44,358 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:44,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2018-12-02 20:56:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2018-12-02 20:56:44,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 20:56:44,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:44,889 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:44,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2018-12-02 20:56:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2018-12-02 20:56:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 20:56:45,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:45,631 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:45,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:46,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 55 states and 84 transitions. [2018-12-02 20:56:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2018-12-02 20:56:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 20:56:46,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:46,630 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:46,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 86 transitions. [2018-12-02 20:56:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2018-12-02 20:56:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 20:56:47,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:47,504 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 20:56:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:47,578 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:56:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-12-02 20:56:47,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:47,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2018-12-02 20:56:47,979 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-12-02 20:56:47,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 20:56:47,979 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-12-02 20:56:47,985 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 20:56:48,020 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 20:56:48,026 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 20:56:48,026 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 20:56:48,026 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 20:56:48,027 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 20:56:48,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:56:48 ImpRootNode [2018-12-02 20:56:48,027 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 20:56:48,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:56:48,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:56:48,027 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:56:48,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:30" (3/4) ... [2018-12-02 20:56:48,030 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 20:56:48,035 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 20:56:48,035 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 20:56:48,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == \result [2018-12-02 20:56:48,066 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_169d9d1b-234f-4f7c-a575-678e4d8a109d/bin-2019/ukojak/witness.graphml [2018-12-02 20:56:48,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:56:48,067 INFO L168 Benchmark]: Toolchain (without parser) took 19189.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 337.1 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -237.0 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:48,068 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:56:48,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.56 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:48,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.17 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. [2018-12-02 20:56:48,068 INFO L168 Benchmark]: Boogie Preprocessor took 54.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -201.3 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:48,068 INFO L168 Benchmark]: RCFGBuilder took 1626.56 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: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:48,068 INFO L168 Benchmark]: CodeCheck took 17284.75 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 202.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.1 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:48,069 INFO L168 Benchmark]: Witness Printer took 39.23 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:56:48,070 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, 37 locations, 1 error locations. SAFE Result, 17.2s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 536870912 SDtfs, 805306372 SDslu, 536870912 SDs, 0 SdLazy, 268435340 SolverSat, -268435568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7428 GetRequests, 7293 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3901 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 846 NumberOfCodeBlocks, 846 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 813 ConstructedInterpolants, 3 QuantifiedInterpolants, 60767 SizeOfPredicates, 54 NumberOfNonLiveVariables, 3100 ConjunctsInSsa, 398 ConjunctsInUnsatCore, 33 InterpolantComputations, 9 PerfectInterpolantSequences, 325/2925 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: 106]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 155.56 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.17 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. * Boogie Preprocessor took 54.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -201.3 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1626.56 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: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * CodeCheck took 17284.75 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 202.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.1 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. * Witness Printer took 39.23 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...