./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/inv_Newton_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_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/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 94c7e44bedb585ab09170efda1a99dc421396ccb ............................................................................................................................................................................................................................................................ 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_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/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 94c7e44bedb585ab09170efda1a99dc421396ccb ............................................................................................................................................................................................................................ 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 11:26:11,615 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:26:11,616 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:26:11,622 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:26:11,623 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:26:11,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:26:11,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:26:11,625 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:26:11,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:26:11,627 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:26:11,627 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:26:11,627 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:26:11,628 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:26:11,629 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:26:11,630 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:26:11,631 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:26:11,631 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:26:11,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:26:11,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:26:11,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:26:11,635 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:26:11,636 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:26:11,638 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:26:11,638 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:26:11,638 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:26:11,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:26:11,640 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:26:11,640 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:26:11,641 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:26:11,641 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:26:11,642 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:26:11,642 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:26:11,642 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:26:11,642 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:26:11,643 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:26:11,644 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:26:11,644 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:26:11,654 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:26:11,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:26:11,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:26:11,655 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:26:11,656 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:26:11,656 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:26:11,656 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:26:11,656 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:26:11,656 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:26:11,656 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:26:11,656 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:26:11,657 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:26:11,657 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:26:11,657 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:26:11,657 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:26:11,657 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:26:11,657 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:26:11,657 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:26:11,657 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:26:11,657 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:26:11,658 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:26:11,658 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:26:11,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:26:11,658 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:26:11,658 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:26:11,658 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:26:11,658 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:26:11,658 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:26:11,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:26:11,658 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_c576535c-066b-43e4-9de2-9140fde032f8/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 -> 94c7e44bedb585ab09170efda1a99dc421396ccb [2018-11-18 11:26:11,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:26:11,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:26:11,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:26:11,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:26:11,692 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:26:11,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c [2018-11-18 11:26:11,727 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data/a23018427/551e0b2e39bd489cb6065f87f414d6dd/FLAGe01362a9a [2018-11-18 11:26:12,120 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:26:12,121 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c [2018-11-18 11:26:12,124 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data/a23018427/551e0b2e39bd489cb6065f87f414d6dd/FLAGe01362a9a [2018-11-18 11:26:12,136 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data/a23018427/551e0b2e39bd489cb6065f87f414d6dd [2018-11-18 11:26:12,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:26:12,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:26:12,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:26:12,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:26:12,141 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:26:12,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ae4871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12, skipping insertion in model container [2018-11-18 11:26:12,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:26:12,160 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:26:12,264 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:26:12,267 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:26:12,281 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:26:12,293 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:26:12,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12 WrapperNode [2018-11-18 11:26:12,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:26:12,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:26:12,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:26:12,294 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:26:12,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:26:12,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:26:12,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:26:12,321 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:26:12,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:26:12,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:26:12,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:26:12,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:26:12,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/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 11:26:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:26:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:26:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:26:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:26:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:26:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:26:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:26:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:26:12,607 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:26:12,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:26:12 BoogieIcfgContainer [2018-11-18 11:26:12,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:26:12,607 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:26:12,607 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:26:12,616 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:26:12,617 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:26:12" (1/1) ... [2018-11-18 11:26:12,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:26:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 11:26:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 11:26:12,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 11:26:12,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:26:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:12,755 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 11:26:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:26:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 11:26:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 11:26:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:26:12,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:26:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:12,821 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 11:26:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:26:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-18 11:26:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-18 11:26:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 11:26:12,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:26:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:26:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:26:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:26:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:26:12,928 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-11-18 11:26:12,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:26:12 ImpRootNode [2018-11-18 11:26:12,947 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:26:12,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:26:12,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:26:12,948 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:26:12,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:26:12" (3/4) ... [2018-11-18 11:26:12,951 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:26:12,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:26:12,952 INFO L168 Benchmark]: Toolchain (without parser) took 813.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:26:12,953 INFO L168 Benchmark]: CDTParser took 0.11 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 11:26:12,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.27 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:26:12,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.74 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:26:12,954 INFO L168 Benchmark]: Boogie Preprocessor took 54.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:26:12,955 INFO L168 Benchmark]: RCFGBuilder took 230.03 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:26:12,955 INFO L168 Benchmark]: CodeCheck took 339.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:26:12,956 INFO L168 Benchmark]: Witness Printer took 3.53 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 11:26:12,959 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, 13 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 12 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 11]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryArithmeticDOUBLEoperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of to_real at line 26. Possible FailurePath: [L41] double a,r; [L43] a = __VERIFIER_nondet_double() [L46] CALL, EXPR inv(a) [L21] double xi, xsi, temp; [L22] signed int cond, exp; [L23] FCALL union double_int A_u, xi_u; [L24] FCALL A_u.d = A [L25] EXPR, FCALL A_u.i [L25] exp = (signed int) ((A_u.i & 0x7FF0000000000000) >> 52) - 1023 [L26] FCALL xi_u.d = 1 [L27] FCALL xi_u.i = (((long long)(1023-exp)) << 52) [L28] EXPR, FCALL xi_u.d [L28] xi = xi_u.d [L29] cond = 1 [L30] COND TRUE \read(cond) [L31] xsi = 2*xi-A*xi*xi [L32] temp = xsi-xi [L33] cond = ((temp > 1e-10) || (temp < -1e-10)) [L34] xi = xsi [L30] COND FALSE !(\read(cond)) [L36] return xi; [L36] return xi; [L36] RET return xi; [L46] EXPR inv(a) [L46] r = inv(a) [L48] CALL __VERIFIER_assert(r >= 0 && r <= 0.06) [L11] COND TRUE !(cond) [L11] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 154.27 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 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 27.74 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 230.03 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 339.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.53 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 11:26:14,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:26:14,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:26:14,420 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:26:14,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:26:14,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:26:14,422 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:26:14,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:26:14,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:26:14,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:26:14,425 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:26:14,425 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:26:14,426 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:26:14,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:26:14,427 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:26:14,427 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:26:14,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:26:14,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:26:14,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:26:14,432 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:26:14,433 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:26:14,434 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:26:14,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:26:14,436 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:26:14,436 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:26:14,436 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:26:14,437 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:26:14,438 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:26:14,438 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:26:14,439 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:26:14,439 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:26:14,439 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:26:14,439 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:26:14,440 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:26:14,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:26:14,442 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:26:14,442 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 11:26:14,452 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:26:14,452 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:26:14,453 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:26:14,453 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:26:14,453 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:26:14,454 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:26:14,454 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:26:14,454 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:26:14,454 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:26:14,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:26:14,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:26:14,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:26:14,455 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:26:14,455 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:26:14,455 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:26:14,455 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:26:14,455 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:26:14,455 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:26:14,455 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:26:14,455 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:26:14,456 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:26:14,456 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:26:14,456 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:26:14,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:26:14,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:26:14,458 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:26:14,458 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:26:14,459 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 11:26:14,459 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 11:26:14,459 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:26:14,459 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:26:14,459 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:26:14,459 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_c576535c-066b-43e4-9de2-9140fde032f8/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 -> 94c7e44bedb585ab09170efda1a99dc421396ccb [2018-11-18 11:26:14,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:26:14,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:26:14,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:26:14,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:26:14,500 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:26:14,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c [2018-11-18 11:26:14,535 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data/63c206372/94afdd2158094cdba12db815945d68f8/FLAG8ddcd608d [2018-11-18 11:26:14,928 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:26:14,928 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/sv-benchmarks/c/float-benchs/inv_Newton_true-unreach-call.c [2018-11-18 11:26:14,932 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data/63c206372/94afdd2158094cdba12db815945d68f8/FLAG8ddcd608d [2018-11-18 11:26:14,941 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/data/63c206372/94afdd2158094cdba12db815945d68f8 [2018-11-18 11:26:14,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:26:14,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:26:14,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:26:14,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:26:14,947 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:26:14,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:26:14" (1/1) ... [2018-11-18 11:26:14,949 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 11:26:14, skipping insertion in model container [2018-11-18 11:26:14,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:26:14" (1/1) ... [2018-11-18 11:26:14,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:26:14,968 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:26:15,084 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:26:15,088 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:26:15,104 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:26:15,126 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:26:15,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15 WrapperNode [2018-11-18 11:26:15,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:26:15,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:26:15,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:26:15,128 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:26:15,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... [2018-11-18 11:26:15,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... [2018-11-18 11:26:15,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:26:15,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:26:15,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:26:15,152 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:26:15,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... [2018-11-18 11:26:15,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... [2018-11-18 11:26:15,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... [2018-11-18 11:26:15,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... [2018-11-18 11:26:15,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... [2018-11-18 11:26:15,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... [2018-11-18 11:26:15,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... [2018-11-18 11:26:15,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:26:15,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:26:15,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:26:15,181 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:26:15,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:26:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/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 11:26:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 11:26:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 11:26:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-18 11:26:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:26:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:26:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:26:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-18 11:26:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:26:15,378 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:26:16,733 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:26:16,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:26:16 BoogieIcfgContainer [2018-11-18 11:26:16,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:26:16,734 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:26:16,734 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:26:16,742 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:26:16,742 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:26:16" (1/1) ... [2018-11-18 11:26:16,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:26:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 11:26:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 11:26:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 11:26:16,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:26:16,817 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 11:26:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:16,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:26:16,841 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 11:26:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:26:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 1 states and 0 transitions. [2018-11-18 11:26:16,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1 states and 0 transitions. [2018-11-18 11:26:16,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:26:16,848 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-18 11:26:16,855 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:26:16,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:26:16 ImpRootNode [2018-11-18 11:26:16,861 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:26:16,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:26:16,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:26:16,862 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:26:16,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:26:16" (3/4) ... [2018-11-18 11:26:16,864 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:26:16,870 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-18 11:26:16,870 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 11:26:16,871 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:26:16,871 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:26:16,903 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c576535c-066b-43e4-9de2-9140fde032f8/bin-2019/ukojak/witness.graphml [2018-11-18 11:26:16,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:26:16,903 INFO L168 Benchmark]: Toolchain (without parser) took 1959.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -126.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:26:16,904 INFO L168 Benchmark]: CDTParser took 0.16 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 11:26:16,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 933.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:26:16,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.43 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 11:26:16,905 INFO L168 Benchmark]: Boogie Preprocessor took 28.33 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 11:26:16,905 INFO L168 Benchmark]: RCFGBuilder took 1552.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -157.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:26:16,906 INFO L168 Benchmark]: CodeCheck took 127.19 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:26:16,906 INFO L168 Benchmark]: Witness Printer took 41.43 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 11:26:16,907 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, 13 locations, 1 error locations. SAFE Result, 0.0s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 32 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 11 ConjunctsInSsa, 1 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: 11]: 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 0.16 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 182.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 933.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.43 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 28.33 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 1552.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -157.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * CodeCheck took 127.19 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Witness Printer took 41.43 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...