./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/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_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/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_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/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_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/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 0.1.23-5842f4b [2018-11-18 17:13:59,362 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:13:59,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:13:59,370 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:13:59,371 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:13:59,371 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:13:59,372 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:13:59,373 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:13:59,374 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:13:59,375 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:13:59,375 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:13:59,376 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:13:59,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:13:59,377 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:13:59,377 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:13:59,378 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:13:59,378 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:13:59,379 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:13:59,380 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:13:59,381 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:13:59,382 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:13:59,382 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:13:59,384 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:13:59,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:13:59,384 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:13:59,385 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:13:59,385 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:13:59,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:13:59,386 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:13:59,387 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:13:59,387 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:13:59,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:13:59,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:13:59,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:13:59,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:13:59,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:13:59,388 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:13:59,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:13:59,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:13:59,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:13:59,399 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:13:59,399 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:13:59,399 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:13:59,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:13:59,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:13:59,400 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:13:59,400 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:13:59,400 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:13:59,400 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:13:59,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:13:59,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:13:59,401 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:13:59,401 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:13:59,401 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:13:59,401 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:13:59,401 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:13:59,401 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:13:59,401 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:13:59,402 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:13:59,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:13:59,402 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:13:59,402 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:13:59,402 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:13:59,402 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:13:59,402 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:13:59,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:13:59,403 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_441bdc2f-59f0-4c72-b318-6f4c76efd649/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 [2018-11-18 17:13:59,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:13:59,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:13:59,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:13:59,441 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:13:59,441 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:13:59,442 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-18 17:13:59,486 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data/d47945879/e4b459eda2ee48aa97c5e4cc0ee7d569/FLAGa4f16c338 [2018-11-18 17:13:59,883 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:13:59,884 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-18 17:13:59,889 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data/d47945879/e4b459eda2ee48aa97c5e4cc0ee7d569/FLAGa4f16c338 [2018-11-18 17:13:59,899 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data/d47945879/e4b459eda2ee48aa97c5e4cc0ee7d569 [2018-11-18 17:13:59,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:13:59,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:13:59,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:13:59,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:13:59,904 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:13:59,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:13:59" (1/1) ... [2018-11-18 17:13:59,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e791d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:13:59, skipping insertion in model container [2018-11-18 17:13:59,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:13:59" (1/1) ... [2018-11-18 17:13:59,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:13:59,927 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:14:00,049 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:14:00,051 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:14:00,070 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:14:00,117 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:14:00,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00 WrapperNode [2018-11-18 17:14:00,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:14:00,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:14:00,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:14:00,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:14:00,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:14:00,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:14:00,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:14:00,148 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:14:00,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:14:00,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:14:00,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:14:00,170 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:14:00,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:14:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 17:14:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:14:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 17:14:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:14:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:14:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:14:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:14:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:14:00,507 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:14:00,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:14:00 BoogieIcfgContainer [2018-11-18 17:14:00,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:14:00,508 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:14:00,508 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:14:00,517 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:14:00,517 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:14:00" (1/1) ... [2018-11-18 17:14:00,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:14:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-18 17:14:00,552 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-18 17:14:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:14:00,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:00,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:00,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-11-18 17:14:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-11-18 17:14:00,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:14:00,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:14:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:14:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:14:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:14:00,709 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 17:14:00,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:14:00 ImpRootNode [2018-11-18 17:14:00,734 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:14:00,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:14:00,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:14:00,735 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:14:00,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:14:00" (3/4) ... [2018-11-18 17:14:00,739 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:14:00,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:14:00,739 INFO L168 Benchmark]: Toolchain (without parser) took 838.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:14:00,741 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:14:00,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:14:00,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.78 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. [2018-11-18 17:14:00,743 INFO L168 Benchmark]: Boogie Preprocessor took 20.76 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. [2018-11-18 17:14:00,743 INFO L168 Benchmark]: RCFGBuilder took 337.90 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:14:00,743 INFO L168 Benchmark]: CodeCheck took 226.47 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:14:00,744 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:14:00,746 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, 39 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; [L102] CALL, EXPR __ieee754_sqrtf(x) [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] FCALL ieee_float_shape_type gf_u; [L21] FCALL gf_u.value = (x) [L22] EXPR, FCALL gf_u.word [L22] (ix) = gf_u.word [L23] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L24] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] RET return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L102] EXPR __ieee754_sqrtf(x) [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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 216.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.78 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 20.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 337.90 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * CodeCheck took 226.47 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.66 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 0.1.23-5842f4b [2018-11-18 17:14:02,138 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:14:02,139 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:14:02,146 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:14:02,147 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:14:02,147 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:14:02,148 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:14:02,149 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:14:02,150 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:14:02,151 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:14:02,152 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:14:02,152 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:14:02,152 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:14:02,155 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:14:02,156 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:14:02,156 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:14:02,157 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:14:02,158 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:14:02,159 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:14:02,160 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:14:02,161 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:14:02,162 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:14:02,163 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:14:02,163 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:14:02,164 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:14:02,164 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:14:02,165 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:14:02,165 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:14:02,166 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:14:02,167 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:14:02,167 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:14:02,167 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:14:02,168 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:14:02,168 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:14:02,168 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:14:02,169 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:14:02,169 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 17:14:02,179 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:14:02,179 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:14:02,180 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:14:02,180 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:14:02,180 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:14:02,181 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:14:02,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:14:02,181 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:14:02,181 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:14:02,181 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:14:02,181 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:14:02,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:14:02,182 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:14:02,182 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:14:02,182 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:14:02,182 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:14:02,182 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:14:02,182 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:14:02,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:14:02,183 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:14:02,183 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:14:02,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:14:02,183 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:14:02,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:14:02,183 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:14:02,184 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:14:02,184 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:14:02,184 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 17:14:02,184 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:14:02,184 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:14:02,184 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:14:02,184 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:14:02,185 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_441bdc2f-59f0-4c72-b318-6f4c76efd649/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 [2018-11-18 17:14:02,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:14:02,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:14:02,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:14:02,222 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:14:02,223 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:14:02,223 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-18 17:14:02,258 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data/649f6bba3/8858dc6ac34146c1a6f00deb1f3cb568/FLAG2f34aed73 [2018-11-18 17:14:02,656 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:14:02,657 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-18 17:14:02,662 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data/649f6bba3/8858dc6ac34146c1a6f00deb1f3cb568/FLAG2f34aed73 [2018-11-18 17:14:02,670 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/data/649f6bba3/8858dc6ac34146c1a6f00deb1f3cb568 [2018-11-18 17:14:02,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:14:02,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:14:02,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:14:02,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:14:02,677 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:14:02,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1c7639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02, skipping insertion in model container [2018-11-18 17:14:02,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:14:02,705 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:14:02,839 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:14:02,843 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:14:02,866 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:14:02,882 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:14:02,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02 WrapperNode [2018-11-18 17:14:02,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:14:02,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:14:02,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:14:02,883 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:14:02,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:14:02,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:14:02,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:14:02,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:14:02,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... [2018-11-18 17:14:02,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:14:02,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:14:02,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:14:02,975 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:14:02,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:14:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:14:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 17:14:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:14:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 17:14:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:14:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:14:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 17:14:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 17:14:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:14:03,662 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:14:04,342 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:14:04,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:14:04 BoogieIcfgContainer [2018-11-18 17:14:04,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:14:04,343 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:14:04,343 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:14:04,349 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:14:04,349 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:14:04" (1/1) ... [2018-11-18 17:14:04,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:14:04,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-18 17:14:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-18 17:14:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:14:04,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:04,414 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:04,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:04,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-11-18 17:14:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-11-18 17:14:04,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:14:04,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:04,446 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:04,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:04,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-11-18 17:14:04,816 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-11-18 17:14:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 17:14:04,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:04,817 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:04,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-11-18 17:14:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-11-18 17:14:06,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 17:14:06,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:06,420 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:06,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:07,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2018-11-18 17:14:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2018-11-18 17:14:07,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:14:07,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:07,341 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:07,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-11-18 17:14:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-11-18 17:14:07,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 17:14:07,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:07,356 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:07,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2018-11-18 17:14:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2018-11-18 17:14:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:14:07,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:07,763 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:07,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:07,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2018-11-18 17:14:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2018-11-18 17:14:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:14:07,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:07,795 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:07,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2018-11-18 17:14:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-11-18 17:14:07,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:14:07,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:07,916 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:07,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2018-11-18 17:14:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-11-18 17:14:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 17:14:08,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:08,107 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:08,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2018-11-18 17:14:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-11-18 17:14:08,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:14:08,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:08,314 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:08,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2018-11-18 17:14:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2018-11-18 17:14:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:14:08,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:08,537 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:08,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:08,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2018-11-18 17:14:08,814 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-11-18 17:14:08,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:14:08,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:08,815 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:08,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:08,887 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:09,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:09,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2018-11-18 17:14:09,079 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2018-11-18 17:14:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 17:14:09,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:09,080 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:09,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2018-11-18 17:14:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2018-11-18 17:14:09,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 17:14:09,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:09,364 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:09,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:09,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-11-18 17:14:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-11-18 17:14:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:14:09,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:09,657 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:09,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-11-18 17:14:10,014 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-11-18 17:14:10,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 17:14:10,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:10,015 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:10,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:10,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2018-11-18 17:14:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2018-11-18 17:14:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 17:14:10,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:10,341 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:10,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2018-11-18 17:14:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2018-11-18 17:14:10,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 17:14:10,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:10,743 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:10,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2018-11-18 17:14:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2018-11-18 17:14:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 17:14:11,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:11,115 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:11,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:11,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:11,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-11-18 17:14:11,509 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-11-18 17:14:11,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:14:11,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:11,510 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:11,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:11,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2018-11-18 17:14:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2018-11-18 17:14:11,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 17:14:11,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:11,930 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:11,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 65 states and 86 transitions. [2018-11-18 17:14:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2018-11-18 17:14:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 17:14:12,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:12,367 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:12,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 67 states and 89 transitions. [2018-11-18 17:14:12,857 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2018-11-18 17:14:12,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 17:14:12,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:12,858 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:12,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2018-11-18 17:14:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2018-11-18 17:14:13,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:14:13,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:13,396 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:13,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2018-11-18 17:14:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2018-11-18 17:14:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 17:14:13,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:13,906 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:13,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2018-11-18 17:14:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2018-11-18 17:14:14,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 17:14:14,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:14,431 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:14,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:15,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2018-11-18 17:14:15,049 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2018-11-18 17:14:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 17:14:15,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:15,050 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:15,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:15,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:15,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 77 states and 104 transitions. [2018-11-18 17:14:15,624 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2018-11-18 17:14:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 17:14:15,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:15,625 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:15,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2018-11-18 17:14:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2018-11-18 17:14:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 17:14:16,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:16,251 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:16,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2018-11-18 17:14:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2018-11-18 17:14:16,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 17:14:16,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:16,973 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:17,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:17,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 83 states and 113 transitions. [2018-11-18 17:14:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2018-11-18 17:14:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 17:14:17,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:17,728 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:17,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:14:18,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:18,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 85 states and 116 transitions. [2018-11-18 17:14:18,437 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2018-11-18 17:14:18,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 17:14:18,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:14:18,438 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:14:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:14:18,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:14:18,521 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2018-11-18 17:14:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:14:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2018-11-18 17:14:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-18 17:14:18,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:14:18,954 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-18 17:14:18,962 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:14:18,999 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 17:14:19,006 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 17:14:19,007 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 17:14:19,007 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 17:14:19,008 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:14:19,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:14:19 ImpRootNode [2018-11-18 17:14:19,008 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:14:19,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:14:19,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:14:19,009 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:14:19,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:14:04" (3/4) ... [2018-11-18 17:14:19,011 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:14:19,017 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-18 17:14:19,017 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:14:19,017 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:14:19,033 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == \result [2018-11-18 17:14:19,054 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_441bdc2f-59f0-4c72-b318-6f4c76efd649/bin-2019/ukojak/witness.graphml [2018-11-18 17:14:19,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:14:19,055 INFO L168 Benchmark]: Toolchain (without parser) took 16382.70 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.4 MB). Free memory was 950.8 MB in the beginning and 984.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 298.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:14:19,056 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:14:19,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.51 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:14:19,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.56 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:14:19,056 INFO L168 Benchmark]: Boogie Preprocessor took 61.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:14:19,057 INFO L168 Benchmark]: RCFGBuilder took 1367.60 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:14:19,057 INFO L168 Benchmark]: CodeCheck took 14665.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 984.1 MB in the end (delta: 102.7 MB). Peak memory consumption was 290.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:14:19,057 INFO L168 Benchmark]: Witness Printer took 46.04 ms. Allocated memory is still 1.4 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:14:19,058 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, 39 locations, 1 error locations. SAFE Result, 14.5s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 939524096 SDtfs, 1073741820 SDslu, 939524080 SDs, 0 SdLazy, 536870788 SolverSat, -268435568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10120 GetRequests, 9985 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3901 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1224 NumberOfCodeBlocks, 1224 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1191 ConstructedInterpolants, 3 QuantifiedInterpolants, 166363 SizeOfPredicates, 54 NumberOfNonLiveVariables, 3385 ConjunctsInSsa, 390 ConjunctsInUnsatCore, 33 InterpolantComputations, 9 PerfectInterpolantSequences, 650/5850 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.51 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 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 30.56 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1367.60 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * CodeCheck took 14665.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 984.1 MB in the end (delta: 102.7 MB). Peak memory consumption was 290.9 MB. Max. memory is 11.5 GB. * Witness Printer took 46.04 ms. Allocated memory is still 1.4 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...