./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/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 2efbbd8e1ed6cd606263edae3254601484469bf9 .............................................................................................................................................................................................................................................................. 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_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/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 2efbbd8e1ed6cd606263edae3254601484469bf9 ...................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:54:45,048 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:54:45,049 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:54:45,055 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:54:45,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:54:45,056 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:54:45,057 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:54:45,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:54:45,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:54:45,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:54:45,059 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:54:45,059 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:54:45,060 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:54:45,060 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:54:45,061 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:54:45,061 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:54:45,061 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:54:45,062 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:54:45,063 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:54:45,064 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:54:45,065 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:54:45,065 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:54:45,066 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:54:45,066 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:54:45,067 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:54:45,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:54:45,068 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:54:45,068 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:54:45,068 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:54:45,069 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:54:45,069 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:54:45,069 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:54:45,070 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:54:45,070 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:54:45,070 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:54:45,070 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:54:45,071 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 17:54:45,077 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:54:45,078 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:54:45,078 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:54:45,078 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:54:45,079 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:54:45,079 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:54:45,079 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:54:45,079 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:54:45,079 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:54:45,079 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:54:45,079 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:54:45,079 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:54:45,080 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:54:45,080 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:54:45,080 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:54:45,080 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:54:45,080 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:54:45,080 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:54:45,080 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:54:45,080 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:54:45,081 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:54:45,081 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:54:45,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:54:45,081 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:54:45,081 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:54:45,081 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:54:45,081 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:54:45,081 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:54:45,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:54:45,082 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_d5ad1c33-3328-462f-9e68-67cbc1074f1c/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 -> 2efbbd8e1ed6cd606263edae3254601484469bf9 [2018-12-01 17:54:45,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:54:45,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:54:45,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:54:45,108 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:54:45,109 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:54:45,109 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c [2018-12-01 17:54:45,142 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data/8a0d523df/de8723f780f44c04951dd70d98eae9fd/FLAG4e4593ff4 [2018-12-01 17:54:45,567 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:54:45,568 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c [2018-12-01 17:54:45,571 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data/8a0d523df/de8723f780f44c04951dd70d98eae9fd/FLAG4e4593ff4 [2018-12-01 17:54:45,579 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data/8a0d523df/de8723f780f44c04951dd70d98eae9fd [2018-12-01 17:54:45,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:54:45,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:54:45,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:54:45,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:54:45,584 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:54:45,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432dabb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45, skipping insertion in model container [2018-12-01 17:54:45,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:54:45,605 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:54:45,701 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:54:45,704 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:54:45,719 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:54:45,727 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:54:45,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45 WrapperNode [2018-12-01 17:54:45,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:54:45,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:54:45,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:54:45,728 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:54:45,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:54:45,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:54:45,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:54:45,784 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:54:45,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:54:45,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:54:45,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:54:45,798 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:54:45,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/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 [2018-12-01 17:54:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:54:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:54:45,946 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:54:45,946 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-01 17:54:45,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:45 BoogieIcfgContainer [2018-12-01 17:54:45,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:54:45,947 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:54:45,947 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:54:45,953 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:54:45,953 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:45" (1/1) ... [2018-12-01 17:54:45,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:54:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:54:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-12-01 17:54:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-12-01 17:54:45,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 17:54:45,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:54:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:54:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:54:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:54:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-12-01 17:54:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-12-01 17:54:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 17:54:46,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:54:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:54:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:54:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:54:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 17:54:46,178 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-01 17:54:46,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:54:46 ImpRootNode [2018-12-01 17:54:46,201 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:54:46,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:54:46,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:54:46,202 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:54:46,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:45" (3/4) ... [2018-12-01 17:54:46,205 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 17:54:46,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:54:46,205 INFO L168 Benchmark]: Toolchain (without parser) took 623.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:46,206 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:54:46,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.26 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:46,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -207.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:46,208 INFO L168 Benchmark]: Boogie Preprocessor took 12.82 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:46,208 INFO L168 Benchmark]: RCFGBuilder took 148.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:46,209 INFO L168 Benchmark]: CodeCheck took 255.01 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:46,209 INFO L168 Benchmark]: Witness Printer took 2.98 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. [2018-12-01 17:54:46,211 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, 24 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 80, overapproximation of someUnaryDOUBLEoperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L1] int __return_main; [L6] double _EPS = 0.0000010; [L9] double __return_125; [L12] double main__d; [L13] double main__r; [L14] main__d = 1.0 VAL [__return_125=0, __return_main=0, _EPS=1/1000000] [L16] COND TRUE main__d <= 20.0 [L19] double __tmp_1; [L20] __tmp_1 = main__d [L21] double SqrtR__Input; [L22] SqrtR__Input = __tmp_1 [L23] double SqrtR__xn; [L24] double SqrtR__xnp1; [L25] double SqrtR__residu; [L26] double SqrtR__lsup; [L27] double SqrtR__linf; [L28] int SqrtR__i; [L29] int SqrtR__cond; [L30] COND FALSE !(SqrtR__Input <= 1.0) [L134] SqrtR__xn = 1.0 / SqrtR__Input [L34] SqrtR__xnp1 = SqrtR__xn [L35] SqrtR__residu = (2.0 * _EPS) * (SqrtR__xn + SqrtR__xnp1) [L36] SqrtR__lsup = _EPS * (SqrtR__xn + SqrtR__xnp1) [L37] SqrtR__linf = -SqrtR__lsup [L38] int SqrtR____CPAchecker_TMP_0; VAL [__return_125=0, __return_main=0, _EPS=1/1000000] [L39] COND FALSE !(SqrtR__residu > SqrtR__lsup) VAL [__return_125=0, __return_main=0, _EPS=1/1000000] [L121] COND FALSE !(SqrtR__residu < SqrtR__linf) [L127] SqrtR____CPAchecker_TMP_0 = 0 VAL [__return_125=0, __return_main=0, _EPS=1/1000000] [L44] SqrtR__cond = SqrtR____CPAchecker_TMP_0 [L45] SqrtR__i = 0 VAL [__return_125=0, __return_main=0, _EPS=1/1000000] [L47] COND FALSE !(!(SqrtR__cond == 0)) [L80] __return_125 = 1.0 / SqrtR__xnp1 [L81] main__r = __return_125 [L82] int main____CPAchecker_TMP_0; VAL [__return_125=2, __return_main=0, _EPS=1/1000000] [L83] COND FALSE !(main__r >= 1.0) VAL [__return_125=2, __return_main=0, _EPS=1/1000000] [L109] main____CPAchecker_TMP_0 = 0 VAL [__return_125=2, __return_main=0, _EPS=1/1000000] [L90] int __tmp_2; [L91] __tmp_2 = main____CPAchecker_TMP_0 [L92] int __VERIFIER_assert__cond; [L93] __VERIFIER_assert__cond = __tmp_2 VAL [__return_125=2, __return_main=0, _EPS=1/1000000] [L94] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_125=2, __return_main=0, _EPS=1/1000000] [L96] __VERIFIER_error() VAL [__return_125=2, __return_main=0, _EPS=1/1000000] * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.26 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 56.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -207.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.82 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 148.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * CodeCheck took 255.01 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 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 0.1.23-635dfa2 [2018-12-01 17:54:47,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:54:47,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:54:47,574 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:54:47,574 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:54:47,574 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:54:47,575 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:54:47,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:54:47,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:54:47,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:54:47,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:54:47,577 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:54:47,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:54:47,578 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:54:47,579 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:54:47,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:54:47,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:54:47,580 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:54:47,581 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:54:47,582 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:54:47,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:54:47,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:54:47,584 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:54:47,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:54:47,584 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:54:47,585 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:54:47,585 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:54:47,585 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:54:47,586 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:54:47,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:54:47,586 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:54:47,587 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:54:47,587 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:54:47,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:54:47,588 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:54:47,588 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:54:47,588 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-01 17:54:47,595 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:54:47,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:54:47,596 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:54:47,596 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:54:47,596 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:54:47,596 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:54:47,596 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:54:47,596 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:54:47,597 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:54:47,597 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:54:47,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:54:47,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:54:47,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:54:47,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:54:47,598 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:54:47,598 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:54:47,598 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 17:54:47,598 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 17:54:47,598 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:54:47,598 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 17:54:47,598 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 17:54:47,598 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_d5ad1c33-3328-462f-9e68-67cbc1074f1c/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 -> 2efbbd8e1ed6cd606263edae3254601484469bf9 [2018-12-01 17:54:47,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:54:47,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:54:47,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:54:47,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:54:47,626 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:54:47,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c [2018-12-01 17:54:47,660 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data/e60fa2531/cffb820ecf1a4c3f8a2432febf731966/FLAG651a1c830 [2018-12-01 17:54:48,067 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:54:48,068 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c [2018-12-01 17:54:48,071 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data/e60fa2531/cffb820ecf1a4c3f8a2432febf731966/FLAG651a1c830 [2018-12-01 17:54:48,081 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/bin-2019/ukojak/data/e60fa2531/cffb820ecf1a4c3f8a2432febf731966 [2018-12-01 17:54:48,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:54:48,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:54:48,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:54:48,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:54:48,087 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:54:48,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5a08fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48, skipping insertion in model container [2018-12-01 17:54:48,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:54:48,109 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:54:48,208 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:54:48,213 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:54:48,229 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:54:48,237 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:54:48,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48 WrapperNode [2018-12-01 17:54:48,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:54:48,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:54:48,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:54:48,238 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:54:48,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:54:48,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:54:48,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:54:48,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:54:48,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... [2018-12-01 17:54:48,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:54:48,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:54:48,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:54:48,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:54:48,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5ad1c33-3328-462f-9e68-67cbc1074f1c/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 [2018-12-01 17:54:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:54:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:55:53,302 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:55:53,302 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-01 17:55:53,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:55:53 BoogieIcfgContainer [2018-12-01 17:55:53,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:55:53,303 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:55:53,303 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:55:53,311 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:55:53,311 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:55:53" (1/1) ... [2018-12-01 17:55:53,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:55:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:55:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-12-01 17:55:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-12-01 17:55:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 17:55:53,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:55:53,377 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-01 17:55:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:55:53,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:55:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:55:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:55:53,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-12-01 17:55:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-12-01 17:55:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 17:55:53,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:55:53,733 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-01 17:56:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-01 17:56:06,154 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:509) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-01 17:56:06,157 INFO L168 Benchmark]: Toolchain (without parser) took 78072.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:06,158 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:56:06,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.85 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:06,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.23 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:06,159 INFO L168 Benchmark]: Boogie Preprocessor took 14.68 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:56:06,160 INFO L168 Benchmark]: RCFGBuilder took 65023.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:06,160 INFO L168 Benchmark]: CodeCheck took 12852.71 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. [2018-12-01 17:56:06,163 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:509) * 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.85 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.23 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.68 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 65023.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 12852.71 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...