./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/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_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/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_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/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_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/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 0.1.23-1dbac8b [2018-11-10 07:12:09,454 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:12:09,455 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:12:09,461 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:12:09,461 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:12:09,462 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:12:09,463 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:12:09,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:12:09,465 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:12:09,466 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:12:09,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:12:09,467 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:12:09,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:12:09,468 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:12:09,468 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:12:09,469 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:12:09,469 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:12:09,470 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:12:09,471 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:12:09,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:12:09,473 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:12:09,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:12:09,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:12:09,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:12:09,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:12:09,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:12:09,477 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:12:09,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:12:09,478 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:12:09,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:12:09,479 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:12:09,479 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:12:09,479 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:12:09,479 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:12:09,480 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:12:09,481 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:12:09,481 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:12:09,488 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:12:09,488 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:12:09,489 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:12:09,489 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:12:09,490 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:12:09,490 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:12:09,490 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:12:09,490 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:12:09,490 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:12:09,491 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:12:09,491 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:12:09,491 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:12:09,491 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:12:09,491 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:12:09,491 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:12:09,491 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:12:09,491 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:12:09,492 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:12:09,492 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:12:09,492 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:12:09,492 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:12:09,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:12:09,492 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:12:09,493 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:12:09,493 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:12:09,493 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:12:09,493 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:12:09,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:12:09,493 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_db124e2c-944c-494b-873d-d17e2f9351b7/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 [2018-11-10 07:12:09,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:12:09,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:12:09,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:12:09,532 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:12:09,532 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:12:09,532 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c [2018-11-10 07:12:09,577 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data/2a71f6e7e/1270ce1d787b4ab1b6d640b2112f9668/FLAGe2ae853cb [2018-11-10 07:12:09,909 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:12:09,910 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c [2018-11-10 07:12:09,916 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data/2a71f6e7e/1270ce1d787b4ab1b6d640b2112f9668/FLAGe2ae853cb [2018-11-10 07:12:09,926 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data/2a71f6e7e/1270ce1d787b4ab1b6d640b2112f9668 [2018-11-10 07:12:09,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:12:09,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:12:09,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:12:09,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:12:09,933 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:12:09,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:12:09" (1/1) ... [2018-11-10 07:12:09,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f7f127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:09, skipping insertion in model container [2018-11-10 07:12:09,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:12:09" (1/1) ... [2018-11-10 07:12:09,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:12:09,960 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:12:10,073 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:12:10,077 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:12:10,094 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:12:10,105 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:12:10,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10 WrapperNode [2018-11-10 07:12:10,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:12:10,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:12:10,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:12:10,106 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:12:10,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:12:10,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:12:10,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:12:10,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:12:10,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:12:10,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:12:10,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:12:10,143 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:12:10,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/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 07:12:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:12:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:12:10,361 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:12:10,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:12:10 BoogieIcfgContainer [2018-11-10 07:12:10,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:12:10,362 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:12:10,362 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:12:10,371 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:12:10,371 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:12:10" (1/1) ... [2018-11-10 07:12:10,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:12:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:12:10,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-11-10 07:12:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-11-10 07:12:10,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:12:10,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:12:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:12:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:12:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:12:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-11-10 07:12:10,571 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-11-10 07:12:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:12:10,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:12:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:12:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:12:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:12:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:12:10,643 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 07:12:10,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:12:10 ImpRootNode [2018-11-10 07:12:10,668 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:12:10,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:12:10,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:12:10,669 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:12:10,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:12:10" (3/4) ... [2018-11-10 07:12:10,672 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:12:10,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:12:10,673 INFO L168 Benchmark]: Toolchain (without parser) took 743.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:12:10,674 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:12:10,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.03 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:12:10,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.06 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:12:10,675 INFO L168 Benchmark]: Boogie Preprocessor took 13.19 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:12:10,675 INFO L168 Benchmark]: RCFGBuilder took 219.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:12:10,676 INFO L168 Benchmark]: CodeCheck took 305.97 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:12:10,676 INFO L168 Benchmark]: Witness Printer took 3.98 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. [2018-11-10 07:12:10,679 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.03 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 23.06 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.19 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 219.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * CodeCheck took 305.97 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.98 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 0.1.23-1dbac8b [2018-11-10 07:12:12,155 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:12:12,156 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:12:12,163 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:12:12,164 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:12:12,164 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:12:12,165 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:12:12,166 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:12:12,168 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:12:12,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:12:12,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:12:12,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:12:12,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:12:12,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:12:12,172 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:12:12,173 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:12:12,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:12:12,175 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:12:12,176 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:12:12,178 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:12:12,178 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:12:12,180 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:12:12,182 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:12:12,182 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:12:12,182 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:12:12,183 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:12:12,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:12:12,184 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:12:12,185 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:12:12,186 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:12:12,186 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:12:12,186 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:12:12,186 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:12:12,187 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:12:12,188 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:12:12,188 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:12:12,188 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 07:12:12,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:12:12,200 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:12:12,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:12:12,201 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:12:12,201 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:12:12,201 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:12:12,202 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:12:12,202 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:12:12,202 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:12:12,202 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:12:12,202 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:12:12,202 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:12:12,202 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:12:12,202 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:12:12,202 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:12:12,203 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:12:12,203 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:12:12,203 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:12:12,203 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:12:12,204 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:12:12,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:12:12,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:12:12,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:12:12,205 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:12:12,205 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:12:12,205 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:12:12,205 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 07:12:12,205 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 07:12:12,205 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:12:12,205 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:12:12,206 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:12:12,206 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_db124e2c-944c-494b-873d-d17e2f9351b7/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 [2018-11-10 07:12:12,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:12:12,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:12:12,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:12:12,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:12:12,246 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:12:12,247 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c [2018-11-10 07:12:12,284 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data/9ae161a1d/132f2a09880c4d36a4a93e2b7a2dfcf9/FLAG44729f0bc [2018-11-10 07:12:12,604 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:12:12,605 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c.p+cfa-reducer.c [2018-11-10 07:12:12,609 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data/9ae161a1d/132f2a09880c4d36a4a93e2b7a2dfcf9/FLAG44729f0bc [2018-11-10 07:12:12,621 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/bin-2019/ukojak/data/9ae161a1d/132f2a09880c4d36a4a93e2b7a2dfcf9 [2018-11-10 07:12:12,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:12:12,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:12:12,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:12:12,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:12:12,627 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:12:12,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629197e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12, skipping insertion in model container [2018-11-10 07:12:12,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:12:12,653 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:12:12,779 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:12:12,784 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:12:12,805 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:12:12,818 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:12:12,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12 WrapperNode [2018-11-10 07:12:12,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:12:12,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:12:12,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:12:12,819 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:12:12,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:12:12,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:12:12,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:12:12,849 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:12:12,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... [2018-11-10 07:12:12,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:12:12,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:12:12,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:12:12,870 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:12:12,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:12:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db124e2c-944c-494b-873d-d17e2f9351b7/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 07:12:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:12:12,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:13:20,087 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:13:20,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:13:20 BoogieIcfgContainer [2018-11-10 07:13:20,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:13:20,088 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:13:20,088 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:13:20,096 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:13:20,096 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:13:20" (1/1) ... [2018-11-10 07:13:20,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:13:20,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:13:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-11-10 07:13:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-11-10 07:13:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:13:20,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:13:20,159 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 07:13:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:13:20,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:13:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:13:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:13:20,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-11-10 07:13:20,547 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-11-10 07:13:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:13:20,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:13:20,549 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 07:13:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:13:30,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:13:30,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:14:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:14:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2018-11-10 07:14:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2018-11-10 07:14:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:14:07,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:14:07,599 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 07:14:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:14:07,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:14:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:14:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:14:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2018-11-10 07:14:34,615 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2018-11-10 07:14:34,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 07:14:34,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:14:34,617 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 07:14:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:14:34,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:14:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:14:34,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:14:34,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-11-10 07:14:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-11-10 07:14:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 07:14:34,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:14:34,715 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 07:14:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 07:14:47,161 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:508) 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) [2018-11-10 07:14:47,164 INFO L168 Benchmark]: Toolchain (without parser) took 154541.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -77.4 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:14:47,165 INFO L168 Benchmark]: CDTParser took 0.12 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 07:14:47,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.52 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:14:47,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.12 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:14:47,167 INFO L168 Benchmark]: Boogie Preprocessor took 19.47 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:14:47,168 INFO L168 Benchmark]: RCFGBuilder took 67218.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:14:47,168 INFO L168 Benchmark]: CodeCheck took 87075.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:14:47,172 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:508) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 194.52 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.12 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.47 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 67218.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 87075.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 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...