./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/inv_square_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/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 5cdc4d12f446be57385f35c672efbdd6980b00fa ............................................................................................................................................................................................................ 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_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/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 5cdc4d12f446be57385f35c672efbdd6980b00fa ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:08:21,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:08:21,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:08:21,010 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:08:21,010 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:08:21,011 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:08:21,012 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:08:21,013 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:08:21,014 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:08:21,015 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:08:21,015 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:08:21,015 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:08:21,016 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:08:21,017 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:08:21,018 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:08:21,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:08:21,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:08:21,020 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:08:21,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:08:21,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:08:21,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:08:21,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:08:21,025 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:08:21,025 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:08:21,026 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:08:21,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:08:21,027 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:08:21,028 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:08:21,028 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:08:21,029 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:08:21,029 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:08:21,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:08:21,030 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:08:21,030 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:08:21,030 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:08:21,031 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:08:21,031 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:08:21,041 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:08:21,041 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:08:21,042 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:08:21,042 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:08:21,043 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:08:21,043 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:08:21,043 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:08:21,043 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:08:21,043 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:08:21,044 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:08:21,044 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:08:21,044 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:08:21,044 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:08:21,044 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:08:21,044 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:08:21,044 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:08:21,045 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:08:21,045 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:08:21,045 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:08:21,045 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:08:21,045 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:08:21,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:08:21,046 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:08:21,046 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:08:21,046 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:08:21,046 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:08:21,046 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:08:21,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:08:21,046 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_7ed3faef-e490-461d-828f-f92d5885f785/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 -> 5cdc4d12f446be57385f35c672efbdd6980b00fa [2018-11-10 11:08:21,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:08:21,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:08:21,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:08:21,085 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:08:21,085 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:08:21,086 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_false-unreach-call_true-termination.c [2018-11-10 11:08:21,122 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data/225e13db9/2dd16112996c412fa35db6949862ca67/FLAGa0d1b4a0c [2018-11-10 11:08:21,513 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:08:21,514 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/sv-benchmarks/c/float-benchs/inv_square_false-unreach-call_true-termination.c [2018-11-10 11:08:21,517 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data/225e13db9/2dd16112996c412fa35db6949862ca67/FLAGa0d1b4a0c [2018-11-10 11:08:21,525 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data/225e13db9/2dd16112996c412fa35db6949862ca67 [2018-11-10 11:08:21,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:08:21,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:08:21,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:08:21,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:08:21,532 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:08:21,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21, skipping insertion in model container [2018-11-10 11:08:21,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:08:21,551 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:08:21,645 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:08:21,648 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:08:21,657 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:08:21,665 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:08:21,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21 WrapperNode [2018-11-10 11:08:21,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:08:21,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:08:21,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:08:21,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:08:21,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:08:21,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:08:21,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:08:21,685 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:08:21,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:08:21,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:08:21,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:08:21,695 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:08:21,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/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 [2018-11-10 11:08:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:08:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:08:21,879 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:08:21,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:08:21 BoogieIcfgContainer [2018-11-10 11:08:21,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:08:21,880 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:08:21,880 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:08:21,890 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:08:21,890 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:08:21" (1/1) ... [2018-11-10 11:08:21,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:08:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:08:21,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-10 11:08:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-10 11:08:21,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 11:08:21,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:08:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:08:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:08:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:08:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:08:22,032 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 11:08:22,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:08:22 ImpRootNode [2018-11-10 11:08:22,048 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:08:22,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:08:22,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:08:22,048 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:08:22,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:08:21" (3/4) ... [2018-11-10 11:08:22,051 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 11:08:22,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:08:22,052 INFO L168 Benchmark]: Toolchain (without parser) took 524.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -192.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:08:22,054 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:08:22,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.34 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:08:22,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.44 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:08:22,055 INFO L168 Benchmark]: Boogie Preprocessor took 9.34 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:08:22,056 INFO L168 Benchmark]: RCFGBuilder took 185.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -217.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:08:22,056 INFO L168 Benchmark]: CodeCheck took 167.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:08:22,057 INFO L168 Benchmark]: Witness Printer took 3.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:08:22,059 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, 11 locations, 1 error locations. UNSAFE Result, 0.1s 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, 4 NumberOfCodeBlocks, 4 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 someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryArithmeticFLOAToperation at line 18. Possible FailurePath: [L12] float x, y, z; [L14] x = __VERIFIER_nondet_float() [L17] COND TRUE x != 0.f [L18] y = x * x [L19] CALL __VERIFIER_assert(y != 0.f) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.34 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.44 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.34 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 185.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -217.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 167.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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 0.1.23-1dbac8b [2018-11-10 11:08:23,501 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:08:23,503 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:08:23,511 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:08:23,512 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:08:23,512 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:08:23,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:08:23,514 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:08:23,515 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:08:23,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:08:23,517 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:08:23,517 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:08:23,518 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:08:23,518 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:08:23,519 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:08:23,519 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:08:23,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:08:23,522 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:08:23,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:08:23,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:08:23,525 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:08:23,526 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:08:23,528 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:08:23,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:08:23,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:08:23,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:08:23,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:08:23,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:08:23,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:08:23,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:08:23,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:08:23,533 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:08:23,533 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:08:23,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:08:23,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:08:23,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:08:23,535 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 11:08:23,546 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:08:23,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:08:23,546 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:08:23,547 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:08:23,547 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:08:23,547 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:08:23,547 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:08:23,548 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:08:23,548 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:08:23,548 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:08:23,548 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:08:23,548 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:08:23,548 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:08:23,548 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 11:08:23,548 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 11:08:23,550 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:08:23,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:08:23,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:08:23,550 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:08:23,550 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:08:23,551 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:08:23,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:08:23,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:08:23,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:08:23,551 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:08:23,551 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:08:23,551 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 11:08:23,551 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 11:08:23,552 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:08:23,552 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 11:08:23,552 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 11:08:23,552 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_7ed3faef-e490-461d-828f-f92d5885f785/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 -> 5cdc4d12f446be57385f35c672efbdd6980b00fa [2018-11-10 11:08:23,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:08:23,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:08:23,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:08:23,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:08:23,596 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:08:23,597 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_false-unreach-call_true-termination.c [2018-11-10 11:08:23,643 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data/dc1fa5ae4/be94b8ee4fe84236a638f28e09188044/FLAG4a5052162 [2018-11-10 11:08:23,943 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:08:23,944 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/sv-benchmarks/c/float-benchs/inv_square_false-unreach-call_true-termination.c [2018-11-10 11:08:23,948 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data/dc1fa5ae4/be94b8ee4fe84236a638f28e09188044/FLAG4a5052162 [2018-11-10 11:08:23,956 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/data/dc1fa5ae4/be94b8ee4fe84236a638f28e09188044 [2018-11-10 11:08:23,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:08:23,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:08:23,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:08:23,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:08:23,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:08:23,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:08:23" (1/1) ... [2018-11-10 11:08:23,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f073077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:23, skipping insertion in model container [2018-11-10 11:08:23,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:08:23" (1/1) ... [2018-11-10 11:08:23,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:08:23,986 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:08:24,094 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:08:24,098 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:08:24,107 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:08:24,116 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:08:24,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24 WrapperNode [2018-11-10 11:08:24,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:08:24,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:08:24,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:08:24,118 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:08:24,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:08:24,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:08:24,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:08:24,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:08:24,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:08:24,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:08:24,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:08:24,149 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:08:24,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/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 [2018-11-10 11:08:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:08:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:08:24,863 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:08:24,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:08:24 BoogieIcfgContainer [2018-11-10 11:08:24,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:08:24,864 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:08:24,864 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:08:24,872 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:08:24,872 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:08:24" (1/1) ... [2018-11-10 11:08:24,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:08:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:08:24,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-10 11:08:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-10 11:08:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 11:08:24,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:08:24,935 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 11:08:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:08:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:08:25,180 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 11:08:25,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:08:25 ImpRootNode [2018-11-10 11:08:25,196 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:08:25,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:08:25,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:08:25,197 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:08:25,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:08:24" (3/4) ... [2018-11-10 11:08:25,199 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 11:08:25,225 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7ed3faef-e490-461d-828f-f92d5885f785/bin-2019/ukojak/witness.graphml [2018-11-10 11:08:25,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:08:25,225 INFO L168 Benchmark]: Toolchain (without parser) took 1266.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:08:25,227 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-10 11:08:25,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.37 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. [2018-11-10 11:08:25,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.23 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:08:25,228 INFO L168 Benchmark]: Boogie Preprocessor took 11.43 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. [2018-11-10 11:08:25,228 INFO L168 Benchmark]: RCFGBuilder took 714.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:08:25,229 INFO L168 Benchmark]: CodeCheck took 332.30 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:08:25,229 INFO L168 Benchmark]: Witness Printer took 28.26 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. [2018-11-10 11:08:25,231 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, 11 locations, 1 error locations. UNSAFE Result, 0.2s 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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 - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] float x, y, z; [L14] x = __VERIFIER_nondet_float() [L17] COND TRUE x != 0.f [L18] y = x * x [L19] CALL __VERIFIER_assert(y != 0.f) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.37 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 20.23 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.43 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. * RCFGBuilder took 714.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * CodeCheck took 332.30 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Witness Printer took 28.26 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 incorrect! Received shutdown request...