./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1230_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_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/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 31da98a788dd1938c78053bade42bc512d4e8954 ................................................................................................................................................................................................................................................ 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_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/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 31da98a788dd1938c78053bade42bc512d4e8954 .................................................................................................................................................................................................................................................. 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 14:03:40,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:03:40,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:03:40,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:03:40,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:03:40,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:03:40,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:03:40,580 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:03:40,582 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:03:40,582 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:03:40,583 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:03:40,583 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:03:40,584 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:03:40,584 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:03:40,585 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:03:40,586 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:03:40,586 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:03:40,588 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:03:40,589 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:03:40,590 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:03:40,591 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:03:40,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:03:40,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:03:40,594 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:03:40,594 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:03:40,594 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:03:40,595 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:03:40,596 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:03:40,596 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:03:40,597 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:03:40,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:03:40,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:03:40,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:03:40,598 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:03:40,598 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:03:40,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:03:40,599 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 14:03:40,609 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:03:40,609 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:03:40,610 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:03:40,610 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:03:40,611 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:03:40,611 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:03:40,611 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:03:40,611 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:03:40,611 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:03:40,611 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:03:40,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:03:40,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:03:40,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:03:40,612 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:03:40,612 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:03:40,612 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:03:40,612 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:03:40,613 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:03:40,613 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:03:40,613 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:03:40,613 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:03:40,613 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:03:40,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:03:40,614 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:03:40,614 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:03:40,614 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:03:40,614 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:03:40,614 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:03:40,614 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:03:40,614 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_9de54e35-1000-4834-b116-45ac055c2594/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 -> 31da98a788dd1938c78053bade42bc512d4e8954 [2018-11-18 14:03:40,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:03:40,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:03:40,650 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:03:40,651 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:03:40,651 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:03:40,652 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-11-18 14:03:40,697 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data/c6080dd4e/3efcc3e56d7f4e7da90c4f3e03e2a5ef/FLAG4921ab259 [2018-11-18 14:03:41,019 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:03:41,019 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-11-18 14:03:41,024 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data/c6080dd4e/3efcc3e56d7f4e7da90c4f3e03e2a5ef/FLAG4921ab259 [2018-11-18 14:03:41,453 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data/c6080dd4e/3efcc3e56d7f4e7da90c4f3e03e2a5ef [2018-11-18 14:03:41,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:03:41,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:03:41,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:03:41,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:03:41,459 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:03:41,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717d7144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41, skipping insertion in model container [2018-11-18 14:03:41,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:03:41,479 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:03:41,586 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:03:41,588 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:03:41,600 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:03:41,612 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:03:41,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41 WrapperNode [2018-11-18 14:03:41,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:03:41,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:03:41,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:03:41,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:03:41,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:03:41,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:03:41,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:03:41,644 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:03:41,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... [2018-11-18 14:03:41,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:03:41,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:03:41,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:03:41,703 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:03:41,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/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 14:03:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-18 14:03:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-18 14:03:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 14:03:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:03:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:03:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:03:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 14:03:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:03:42,096 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:03:42,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:03:42 BoogieIcfgContainer [2018-11-18 14:03:42,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:03:42,097 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:03:42,097 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:03:42,110 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:03:42,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:03:42" (1/1) ... [2018-11-18 14:03:42,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:03:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:03:42,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-11-18 14:03:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-11-18 14:03:42,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 14:03:42,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:03:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:03:42,216 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 14:03:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:03:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-11-18 14:03:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-18 14:03:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 14:03:42,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:03:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:03:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:03:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:03:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:03:42,316 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 14:03:42,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:03:42 ImpRootNode [2018-11-18 14:03:42,339 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:03:42,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:03:42,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:03:42,339 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:03:42,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:03:42" (3/4) ... [2018-11-18 14:03:42,342 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 14:03:42,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:03:42,342 INFO L168 Benchmark]: Toolchain (without parser) took 886.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -108.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:42,344 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:03:42,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.86 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:42,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.51 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:03:42,345 INFO L168 Benchmark]: Boogie Preprocessor took 58.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:42,346 INFO L168 Benchmark]: RCFGBuilder took 394.28 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:42,346 INFO L168 Benchmark]: CodeCheck took 241.46 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:42,346 INFO L168 Benchmark]: Witness Printer took 3.04 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 14:03:42,349 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 2 procedures, 27 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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: 59]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L54] float x = 0.0f / 0.0f; [L55] float y = 0.0f / 0.0f; [L56] CALL, EXPR fmin_float(x, y) [L35] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L12] __uint32_t w; VAL [\old(x)=1, x=1] [L15] FCALL ieee_float_shape_type gf_u; [L16] FCALL gf_u.value = (x) [L17] EXPR, FCALL gf_u.word [L17] (w) = gf_u.word [L18] COND FALSE !(0) VAL [\old(x)=1, w=2139095041, x=1] [L20] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L22-L23] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L25-L26] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L28] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L31] RET return 0; [L35] EXPR __fpclassify_float(x) [L35] COND TRUE __fpclassify_float(x) == 0 [L36] RET return y; [L56] EXPR fmin_float(x, y) [L56] float res = fmin_float(x, y); [L58] CALL, EXPR isnan_float(res) [L44] RET return x != x; [L58] EXPR isnan_float(res) [L58] COND TRUE !isnan_float(res) [L59] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 155.86 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.51 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 394.28 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * CodeCheck took 241.46 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.04 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 14:03:43,766 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:03:43,767 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:03:43,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:03:43,775 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:03:43,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:03:43,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:03:43,778 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:03:43,779 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:03:43,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:03:43,780 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:03:43,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:03:43,781 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:03:43,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:03:43,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:03:43,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:03:43,783 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:03:43,784 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:03:43,785 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:03:43,786 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:03:43,787 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:03:43,788 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:03:43,789 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:03:43,789 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:03:43,790 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:03:43,790 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:03:43,791 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:03:43,791 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:03:43,792 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:03:43,792 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:03:43,793 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:03:43,793 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:03:43,793 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:03:43,793 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:03:43,794 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:03:43,794 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:03:43,795 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 14:03:43,804 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:03:43,805 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:03:43,805 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:03:43,805 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:03:43,806 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:03:43,806 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:03:43,806 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:03:43,806 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:03:43,806 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:03:43,806 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:03:43,807 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:03:43,807 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:03:43,807 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:03:43,807 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 14:03:43,807 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 14:03:43,807 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:03:43,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:03:43,807 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:03:43,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:03:43,808 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:03:43,808 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:03:43,808 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:03:43,808 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:03:43,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:03:43,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:03:43,808 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:03:43,808 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:03:43,809 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 14:03:43,809 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 14:03:43,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:03:43,809 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 14:03:43,809 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 14:03:43,809 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_9de54e35-1000-4834-b116-45ac055c2594/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 -> 31da98a788dd1938c78053bade42bc512d4e8954 [2018-11-18 14:03:43,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:03:43,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:03:43,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:03:43,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:03:43,850 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:03:43,851 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-11-18 14:03:43,896 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data/9dcfe8814/f354706a1c3c466da83c215f76a6ef33/FLAGa25f49603 [2018-11-18 14:03:44,218 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:03:44,218 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-11-18 14:03:44,222 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data/9dcfe8814/f354706a1c3c466da83c215f76a6ef33/FLAGa25f49603 [2018-11-18 14:03:44,230 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/data/9dcfe8814/f354706a1c3c466da83c215f76a6ef33 [2018-11-18 14:03:44,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:03:44,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:03:44,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:03:44,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:03:44,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:03:44,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a4379e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44, skipping insertion in model container [2018-11-18 14:03:44,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:03:44,262 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:03:44,396 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:03:44,400 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:03:44,416 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:03:44,433 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:03:44,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44 WrapperNode [2018-11-18 14:03:44,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:03:44,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:03:44,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:03:44,434 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:03:44,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:03:44,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:03:44,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:03:44,457 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:03:44,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:03:44,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:03:44,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:03:44,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:03:44,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:03:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/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 14:03:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-18 14:03:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-18 14:03:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:03:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 14:03:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:03:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:03:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 14:03:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:03:44,840 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:03:44,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:03:44 BoogieIcfgContainer [2018-11-18 14:03:44,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:03:44,841 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:03:44,841 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:03:44,847 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:03:44,848 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:03:44" (1/1) ... [2018-11-18 14:03:44,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:03:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:03:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-18 14:03:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-18 14:03:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 14:03:44,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:03:44,922 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 14:03:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:03:44,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:03:44,959 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 14:03:44,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:03:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-11-18 14:03:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 14:03:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 14:03:44,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:03:44,967 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 14:03:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:03:44,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:03:45,023 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 14:03:45,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:03:45,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2018-11-18 14:03:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-18 14:03:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 14:03:45,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:03:45,104 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 14:03:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:03:45,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:03:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:03:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:03:45,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2018-11-18 14:03:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-18 14:03:45,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:03:45,282 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-18 14:03:45,289 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 14:03:45,325 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:03:45,326 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:03:45,327 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:03:45,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:03:45 ImpRootNode [2018-11-18 14:03:45,327 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:03:45,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:03:45,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:03:45,328 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:03:45,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:03:44" (3/4) ... [2018-11-18 14:03:45,330 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:03:45,334 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-11-18 14:03:45,337 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-18 14:03:45,338 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 14:03:45,338 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 14:03:45,338 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 14:03:45,371 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9de54e35-1000-4834-b116-45ac055c2594/bin-2019/ukojak/witness.graphml [2018-11-18 14:03:45,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:03:45,372 INFO L168 Benchmark]: Toolchain (without parser) took 1139.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -57.9 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:45,373 INFO L168 Benchmark]: CDTParser took 0.17 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 14:03:45,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.18 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:45,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.85 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:03:45,374 INFO L168 Benchmark]: Boogie Preprocessor took 17.38 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:03:45,374 INFO L168 Benchmark]: RCFGBuilder took 366.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -137.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:45,375 INFO L168 Benchmark]: CodeCheck took 486.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:45,375 INFO L168 Benchmark]: Witness Printer took 43.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:03:45,377 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 2 procedures, 25 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 6 SDslu, 6 SDs, 0 SdLazy, 88 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575 SizeOfPredicates, 20 NumberOfNonLiveVariables, 125 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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: 59]: 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: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 200.18 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 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 22.85 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.38 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 366.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -137.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * CodeCheck took 486.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. * Witness Printer took 43.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...