./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3_true-unreach-call_true-termination.i --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_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/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 4e4f711715c9ba9b74051d365fc69961816436d0 ............................................................................................................................................................................................................. 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_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/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 4e4f711715c9ba9b74051d365fc69961816436d0 ............................................................................................................................................................................................................... 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 09:20:44,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:20:44,599 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:20:44,605 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:20:44,605 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:20:44,606 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:20:44,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:20:44,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:20:44,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:20:44,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:20:44,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:20:44,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:20:44,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:20:44,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:20:44,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:20:44,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:20:44,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:20:44,615 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:20:44,617 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:20:44,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:20:44,618 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:20:44,619 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:20:44,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:20:44,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:20:44,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:20:44,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:20:44,622 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:20:44,623 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:20:44,624 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:20:44,624 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:20:44,624 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:20:44,625 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:20:44,625 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:20:44,625 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:20:44,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:20:44,626 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:20:44,626 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:20:44,636 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:20:44,636 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:20:44,636 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:20:44,637 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:20:44,637 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:20:44,637 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:20:44,637 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:20:44,637 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:20:44,637 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:20:44,637 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:20:44,637 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:20:44,638 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:20:44,638 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:20:44,638 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:20:44,638 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:20:44,638 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:20:44,638 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:20:44,638 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:20:44,638 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:20:44,638 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:20:44,639 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:20:44,639 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:20:44,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:20:44,639 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:20:44,639 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:20:44,639 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:20:44,639 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:20:44,640 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:20:44,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:20:44,640 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_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/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 -> 4e4f711715c9ba9b74051d365fc69961816436d0 [2018-11-18 09:20:44,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:20:44,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:20:44,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:20:44,676 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:20:44,676 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:20:44,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3_true-unreach-call_true-termination.i [2018-11-18 09:20:44,722 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data/8549e1576/f8eb8aca760a440398f5697026598e6b/FLAG2958abf76 [2018-11-18 09:20:45,123 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:20:45,123 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3_true-unreach-call_true-termination.i [2018-11-18 09:20:45,127 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data/8549e1576/f8eb8aca760a440398f5697026598e6b/FLAG2958abf76 [2018-11-18 09:20:45,137 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data/8549e1576/f8eb8aca760a440398f5697026598e6b [2018-11-18 09:20:45,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:20:45,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:20:45,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:20:45,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:20:45,143 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:20:45,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7ab956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45, skipping insertion in model container [2018-11-18 09:20:45,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:20:45,163 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:20:45,264 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:20:45,267 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:20:45,275 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:20:45,283 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:20:45,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45 WrapperNode [2018-11-18 09:20:45,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:20:45,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:20:45,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:20:45,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:20:45,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:20:45,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:20:45,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:20:45,305 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:20:45,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:20:45,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:20:45,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:20:45,317 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:20:45,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/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 09:20:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:20:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:20:45,453 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:20:45,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:20:45 BoogieIcfgContainer [2018-11-18 09:20:45,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:20:45,454 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:20:45,454 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:20:45,460 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:20:45,461 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:20:45" (1/1) ... [2018-11-18 09:20:45,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:20:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 09:20:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 09:20:45,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 09:20:45,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:20:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:20:45,564 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 09:20:45,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:20:45 ImpRootNode [2018-11-18 09:20:45,576 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:20:45,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:20:45,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:20:45,576 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:20:45,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:20:45" (3/4) ... [2018-11-18 09:20:45,579 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:20:45,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:20:45,579 INFO L168 Benchmark]: Toolchain (without parser) took 439.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:20:45,580 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:20:45,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.92 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:20:45,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.94 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:20:45,581 INFO L168 Benchmark]: Boogie Preprocessor took 11.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:20:45,582 INFO L168 Benchmark]: RCFGBuilder took 136.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:20:45,582 INFO L168 Benchmark]: CodeCheck took 122.14 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:20:45,583 INFO L168 Benchmark]: Witness Printer took 2.84 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 09:20:45,585 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, 8 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 8, overapproximation of someBinaryArithmeticFLOAToperation at line 6. Possible FailurePath: [L6] float fs1=2.0f/6.0f; [L7] float fs2=fs1*6.0f; [L8] COND TRUE !((int)fs2==2) [L8] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.92 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.94 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 136.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 122.14 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.84 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 09:20:46,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:20:46,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:20:46,990 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:20:46,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:20:46,991 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:20:46,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:20:46,993 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:20:46,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:20:46,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:20:46,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:20:46,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:20:46,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:20:46,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:20:46,997 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:20:46,998 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:20:46,999 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:20:47,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:20:47,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:20:47,002 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:20:47,003 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:20:47,004 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:20:47,005 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:20:47,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:20:47,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:20:47,006 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:20:47,007 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:20:47,008 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:20:47,008 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:20:47,009 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:20:47,009 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:20:47,010 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:20:47,010 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:20:47,010 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:20:47,011 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:20:47,011 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:20:47,012 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 09:20:47,022 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:20:47,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:20:47,023 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:20:47,023 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:20:47,024 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:20:47,024 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:20:47,024 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:20:47,024 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:20:47,024 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:20:47,024 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:20:47,025 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:20:47,025 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:20:47,025 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:20:47,025 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:20:47,025 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:20:47,025 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:20:47,025 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:20:47,025 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:20:47,026 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:20:47,026 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:20:47,026 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:20:47,026 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:20:47,026 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:20:47,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:20:47,027 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:20:47,027 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:20:47,027 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:20:47,027 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 09:20:47,027 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 09:20:47,027 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:20:47,027 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:20:47,028 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:20:47,028 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_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/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 -> 4e4f711715c9ba9b74051d365fc69961816436d0 [2018-11-18 09:20:47,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:20:47,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:20:47,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:20:47,065 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:20:47,065 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:20:47,066 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3_true-unreach-call_true-termination.i [2018-11-18 09:20:47,102 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data/321bc47e4/3a67a17970564cf58b42323d56d219ff/FLAG5497e5a16 [2018-11-18 09:20:47,419 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:20:47,419 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3_true-unreach-call_true-termination.i [2018-11-18 09:20:47,422 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data/321bc47e4/3a67a17970564cf58b42323d56d219ff/FLAG5497e5a16 [2018-11-18 09:20:47,863 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/data/321bc47e4/3a67a17970564cf58b42323d56d219ff [2018-11-18 09:20:47,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:20:47,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:20:47,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:20:47,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:20:47,870 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:20:47,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:20:47" (1/1) ... [2018-11-18 09:20:47,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b68c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:47, skipping insertion in model container [2018-11-18 09:20:47,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:20:47" (1/1) ... [2018-11-18 09:20:47,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:20:47,894 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:20:48,008 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:20:48,013 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:20:48,023 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:20:48,034 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:20:48,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48 WrapperNode [2018-11-18 09:20:48,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:20:48,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:20:48,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:20:48,035 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:20:48,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:20:48,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:20:48,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:20:48,056 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:20:48,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:20:48,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:20:48,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:20:48,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:20:48,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:20:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/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 09:20:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:20:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:20:48,238 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:20:48,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:20:48 BoogieIcfgContainer [2018-11-18 09:20:48,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:20:48,239 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:20:48,239 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:20:48,246 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:20:48,247 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:20:48" (1/1) ... [2018-11-18 09:20:48,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:20:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:20:48,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 09:20:48,273 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 09:20:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 09:20:48,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:20:48,307 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 09:20:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:20:48,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:20:48,397 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 09:20:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:20:48,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-18 09:20:48,505 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-18 09:20:48,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:20:48,505 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-18 09:20:48,511 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:20:48,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:20:48 ImpRootNode [2018-11-18 09:20:48,517 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:20:48,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:20:48,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:20:48,518 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:20:48,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:20:48" (3/4) ... [2018-11-18 09:20:48,521 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:20:48,529 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:20:48,529 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:20:48,529 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 09:20:48,550 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fab4ccf2-ec66-41e0-b69b-7a6458c00bd6/bin-2019/ukojak/witness.graphml [2018-11-18 09:20:48,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:20:48,550 INFO L168 Benchmark]: Toolchain (without parser) took 684.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:20:48,551 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 09:20:48,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.49 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:20:48,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.41 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:20:48,552 INFO L168 Benchmark]: Boogie Preprocessor took 14.72 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 09:20:48,552 INFO L168 Benchmark]: RCFGBuilder took 167.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:20:48,553 INFO L168 Benchmark]: CodeCheck took 278.51 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:20:48,553 INFO L168 Benchmark]: Witness Printer took 32.24 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 09:20:48,556 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, 8 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 167.49 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.41 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.72 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 167.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * CodeCheck took 278.51 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 32.24 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 proved your program to be correct! Received shutdown request...