./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_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/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_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/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_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/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_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/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 [2018-12-08 23:46:30,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:46:30,924 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:46:30,930 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:46:30,930 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:46:30,931 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:46:30,931 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:46:30,932 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:46:30,933 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:46:30,933 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:46:30,934 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:46:30,934 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:46:30,934 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:46:30,935 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:46:30,935 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:46:30,936 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:46:30,936 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:46:30,937 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:46:30,938 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:46:30,939 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:46:30,939 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:46:30,940 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:46:30,941 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:46:30,941 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:46:30,941 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:46:30,942 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:46:30,942 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:46:30,943 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:46:30,943 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:46:30,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:46:30,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:46:30,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:46:30,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:46:30,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:46:30,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:46:30,945 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:46:30,945 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 23:46:30,953 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:46:30,953 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:46:30,953 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:46:30,953 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 23:46:30,954 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:46:30,954 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:46:30,954 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:46:30,954 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:46:30,954 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:46:30,954 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:46:30,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:46:30,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:46:30,954 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:46:30,954 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:46:30,955 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:46:30,955 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:46:30,955 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:46:30,955 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:46:30,955 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 23:46:30,955 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 23:46:30,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:46:30,955 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:46:30,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:46:30,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:46:30,955 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:46:30,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:46:30,956 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 23:46:30,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:46:30,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:46:30,956 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_c300134c-5d96-4a7c-8348-815644b0d7a1/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 [2018-12-08 23:46:30,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:46:30,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:46:30,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:46:30,982 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:46:30,983 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:46:30,983 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-12-08 23:46:31,017 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data/38513d309/ac7958540c65475484961bbbd4f4951c/FLAG193079a19 [2018-12-08 23:46:31,467 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:46:31,467 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-12-08 23:46:31,471 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data/38513d309/ac7958540c65475484961bbbd4f4951c/FLAG193079a19 [2018-12-08 23:46:31,479 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data/38513d309/ac7958540c65475484961bbbd4f4951c [2018-12-08 23:46:31,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:46:31,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:46:31,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:31,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:46:31,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:46:31,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,486 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 08.12 11:46:31, skipping insertion in model container [2018-12-08 23:46:31,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:46:31,502 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:46:31,601 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:31,603 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:46:31,622 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:31,664 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:46:31,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31 WrapperNode [2018-12-08 23:46:31,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:31,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:31,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:46:31,665 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:46:31,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:31,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:46:31,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:46:31,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:46:31,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... [2018-12-08 23:46:31,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:46:31,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:46:31,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:46:31,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:46:31,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:46:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 23:46:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 23:46:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 23:46:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 23:46:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:46:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:46:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 23:46:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 23:46:32,009 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:46:32,010 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-08 23:46:32,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:32 BoogieIcfgContainer [2018-12-08 23:46:32,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:46:32,010 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 23:46:32,010 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 23:46:32,017 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 23:46:32,017 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:32" (1/1) ... [2018-12-08 23:46:32,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:32,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-12-08 23:46:32,044 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-12-08 23:46:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 23:46:32,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:32,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:32,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:32,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2018-12-08 23:46:32,111 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2018-12-08 23:46:32,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 23:46:32,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:46:32,171 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 23:46:32,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:46:32 ImpRootNode [2018-12-08 23:46:32,189 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 23:46:32,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:46:32,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:46:32,190 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:46:32,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:32" (3/4) ... [2018-12-08 23:46:32,192 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 23:46:32,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:46:32,193 INFO L168 Benchmark]: Toolchain (without parser) took 711.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -99.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:32,194 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-08 23:46:32,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:32,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:32,195 INFO L168 Benchmark]: Boogie Preprocessor took 17.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:32,195 INFO L168 Benchmark]: RCFGBuilder took 300.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:32,196 INFO L168 Benchmark]: CodeCheck took 178.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:32,196 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:32,198 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 0.12 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 182.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.54 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 300.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * CodeCheck took 178.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:46:33,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:46:33,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:46:33,534 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:46:33,534 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:46:33,535 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:46:33,536 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:46:33,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:46:33,537 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:46:33,538 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:46:33,538 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:46:33,538 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:46:33,539 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:46:33,539 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:46:33,540 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:46:33,540 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:46:33,541 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:46:33,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:46:33,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:46:33,543 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:46:33,544 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:46:33,544 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:46:33,545 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:46:33,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:46:33,546 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:46:33,546 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:46:33,547 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:46:33,547 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:46:33,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:46:33,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:46:33,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:46:33,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:46:33,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:46:33,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:46:33,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:46:33,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:46:33,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 23:46:33,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:46:33,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:46:33,558 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:46:33,558 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 23:46:33,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:46:33,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:46:33,558 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:46:33,558 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:46:33,559 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:46:33,559 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:46:33,559 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:46:33,559 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:46:33,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:46:33,559 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 23:46:33,559 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 23:46:33,559 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:46:33,560 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:46:33,560 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:46:33,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:46:33,560 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 23:46:33,560 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 23:46:33,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:46:33,560 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:46:33,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:46:33,561 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:46:33,561 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:46:33,561 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:46:33,561 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 23:46:33,561 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 23:46:33,561 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:46:33,561 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 23:46:33,562 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 23:46:33,562 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_c300134c-5d96-4a7c-8348-815644b0d7a1/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 [2018-12-08 23:46:33,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:46:33,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:46:33,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:46:33,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:46:33,589 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:46:33,589 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-12-08 23:46:33,625 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data/ddb3b0233/e3715302f78e4782a7fa36b3accc0986/FLAG2f9fb45b5 [2018-12-08 23:46:33,984 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:46:33,985 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-12-08 23:46:33,989 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data/ddb3b0233/e3715302f78e4782a7fa36b3accc0986/FLAG2f9fb45b5 [2018-12-08 23:46:34,369 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/data/ddb3b0233/e3715302f78e4782a7fa36b3accc0986 [2018-12-08 23:46:34,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:46:34,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:46:34,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:34,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:46:34,376 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:46:34,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45734aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34, skipping insertion in model container [2018-12-08 23:46:34,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:46:34,396 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:46:34,502 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:34,507 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:46:34,533 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:46:34,551 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:46:34,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34 WrapperNode [2018-12-08 23:46:34,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:46:34,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:34,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:46:34,553 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:46:34,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:46:34,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:46:34,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:46:34,579 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:46:34,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... [2018-12-08 23:46:34,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:46:34,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:46:34,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:46:34,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:46:34,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:46:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:46:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 23:46:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 23:46:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 23:46:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:46:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:46:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 23:46:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 23:46:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 23:46:34,778 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:46:35,265 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:46:36,265 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:46:36,265 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-08 23:46:36,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:36 BoogieIcfgContainer [2018-12-08 23:46:36,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:46:36,266 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 23:46:36,266 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 23:46:36,272 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 23:46:36,272 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:36" (1/1) ... [2018-12-08 23:46:36,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:46:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:36,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-12-08 23:46:36,299 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-12-08 23:46:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 23:46:36,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:36,332 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:36,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2018-12-08 23:46:36,361 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2018-12-08 23:46:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 23:46:36,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:36,363 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:36,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:36,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-12-08 23:46:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-12-08 23:46:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 23:46:36,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:36,685 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:36,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-12-08 23:46:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-12-08 23:46:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 23:46:38,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:38,839 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:38,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2018-12-08 23:46:39,733 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2018-12-08 23:46:39,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 23:46:39,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:39,734 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:39,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2018-12-08 23:46:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-12-08 23:46:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 23:46:39,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:39,752 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:39,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-12-08 23:46:40,183 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-12-08 23:46:40,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 23:46:40,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:40,184 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:40,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:40,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-12-08 23:46:40,211 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-12-08 23:46:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 23:46:40,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:40,212 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:40,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2018-12-08 23:46:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2018-12-08 23:46:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 23:46:40,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:40,361 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:40,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:40,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2018-12-08 23:46:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2018-12-08 23:46:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 23:46:40,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:40,619 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:40,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2018-12-08 23:46:40,960 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2018-12-08 23:46:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 23:46:40,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:40,962 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:40,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2018-12-08 23:46:41,543 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2018-12-08 23:46:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 23:46:41,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:41,544 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:41,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2018-12-08 23:46:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2018-12-08 23:46:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 23:46:41,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:41,862 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:41,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2018-12-08 23:46:42,207 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2018-12-08 23:46:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 23:46:42,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:42,208 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:42,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:42,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:42,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-12-08 23:46:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-12-08 23:46:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 23:46:42,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:42,638 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:42,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:42,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2018-12-08 23:46:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2018-12-08 23:46:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 23:46:42,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:42,968 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:43,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2018-12-08 23:46:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2018-12-08 23:46:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 23:46:43,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:43,628 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:43,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:43,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:44,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2018-12-08 23:46:44,000 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2018-12-08 23:46:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 23:46:44,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:44,001 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:44,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:44,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2018-12-08 23:46:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2018-12-08 23:46:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 23:46:44,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:44,444 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:44,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:44,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2018-12-08 23:46:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2018-12-08 23:46:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 23:46:44,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:44,921 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:44,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:45,029 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2018-12-08 23:46:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2018-12-08 23:46:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 23:46:45,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:45,367 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:45,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:45,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:45,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2018-12-08 23:46:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2018-12-08 23:46:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 23:46:45,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:45,814 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:45,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2018-12-08 23:46:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2018-12-08 23:46:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 23:46:46,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:46,356 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:46,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:46,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2018-12-08 23:46:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2018-12-08 23:46:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 23:46:46,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:46,877 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:46,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:47,622 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-12-08 23:46:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 70 transitions. [2018-12-08 23:46:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2018-12-08 23:46:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 23:46:47,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:47,906 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:47,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2018-12-08 23:46:48,495 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2018-12-08 23:46:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 23:46:48,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:48,496 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:48,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2018-12-08 23:46:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2018-12-08 23:46:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 23:46:49,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:49,289 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:49,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-12-08 23:46:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-12-08 23:46:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 23:46:49,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:49,922 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:49,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2018-12-08 23:46:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2018-12-08 23:46:50,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 23:46:50,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:50,588 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:50,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2018-12-08 23:46:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2018-12-08 23:46:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 23:46:51,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:51,280 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:51,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:52,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2018-12-08 23:46:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2018-12-08 23:46:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 23:46:52,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:52,030 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:52,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 55 states and 84 transitions. [2018-12-08 23:46:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2018-12-08 23:46:53,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 23:46:53,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:53,042 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:53,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:46:54,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 86 transitions. [2018-12-08 23:46:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2018-12-08 23:46:54,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 23:46:54,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:46:54,432 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 23:46:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:46:54,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:46:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-12-08 23:46:54,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:46:54,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2018-12-08 23:46:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-12-08 23:46:54,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 23:46:54,927 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-12-08 23:46:54,933 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 23:46:54,982 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 23:46:54,988 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-08 23:46:54,989 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 23:46:54,989 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 23:46:54,989 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:46:54,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:46:54 ImpRootNode [2018-12-08 23:46:54,990 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 23:46:54,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:46:54,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:46:54,990 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:46:54,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:46:36" (3/4) ... [2018-12-08 23:46:54,993 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 23:46:54,999 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-08 23:46:54,999 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 23:46:55,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == \result [2018-12-08 23:46:55,032 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c300134c-5d96-4a7c-8348-815644b0d7a1/bin-2019/ukojak/witness.graphml [2018-12-08 23:46:55,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:46:55,033 INFO L168 Benchmark]: Toolchain (without parser) took 20661.06 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 128.5 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:55,033 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:55,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.88 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:55,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.10 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. [2018-12-08 23:46:55,034 INFO L168 Benchmark]: Boogie Preprocessor took 49.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:55,034 INFO L168 Benchmark]: RCFGBuilder took 1636.87 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: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:55,034 INFO L168 Benchmark]: CodeCheck took 18723.74 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -65.8 MB). Peak memory consumption was 139.2 MB. Max. memory is 11.5 GB. [2018-12-08 23:46:55,034 INFO L168 Benchmark]: Witness Printer took 42.52 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:46:55,035 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, 18.6s 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, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.3s 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 178.88 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 26.10 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 49.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1636.87 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: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * CodeCheck took 18723.74 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -65.8 MB). Peak memory consumption was 139.2 MB. Max. memory is 11.5 GB. * Witness Printer took 42.52 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...