./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop3_true-unreach-call.c.i --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_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop3_true-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/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 0fd0e678ea36c7b474907750a18ff4e57877f684 ....................................................................................................................................................................................................................................... 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_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop3_true-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/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 0fd0e678ea36c7b474907750a18ff4e57877f684 ...................................................................................................................................................................................................... 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 [2018-12-08 13:00:47,954 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:00:47,955 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:00:47,961 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:00:47,962 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:00:47,962 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:00:47,963 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:00:47,964 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:00:47,965 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:00:47,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:00:47,966 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:00:47,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:00:47,967 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:00:47,967 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:00:47,968 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:00:47,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:00:47,969 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:00:47,970 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:00:47,971 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:00:47,971 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:00:47,972 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:00:47,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:00:47,974 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:00:47,974 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:00:47,974 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:00:47,975 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:00:47,975 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:00:47,976 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:00:47,976 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:00:47,977 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:00:47,977 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:00:47,977 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:00:47,978 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:00:47,978 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:00:47,978 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:00:47,979 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:00:47,979 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:00:47,987 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:00:47,987 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:00:47,987 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:00:47,988 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:00:47,988 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:00:47,988 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:00:47,988 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:00:47,988 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:00:47,988 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:00:47,989 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:00:47,989 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:00:47,989 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:00:47,989 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:00:47,989 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:00:47,989 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:00:47,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:00:47,989 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:00:47,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:00:47,990 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:00:47,990 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:00:47,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:00:47,990 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:00:47,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:00:47,990 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:00:47,990 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:00:47,990 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:00:47,991 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:00:47,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:00:47,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:00:47,991 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_e26ec1a4-05c0-421c-9bc2-59c6919172fe/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 -> 0fd0e678ea36c7b474907750a18ff4e57877f684 [2018-12-08 13:00:48,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:00:48,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:00:48,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:00:48,018 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:00:48,018 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:00:48,019 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop3_true-unreach-call.c.i [2018-12-08 13:00:48,053 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data/417af1758/ecfa8593a5eb4756ac6e794ef3ca2a48/FLAG66a28b8c5 [2018-12-08 13:00:48,382 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:00:48,383 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/sv-benchmarks/c/loop-floats-scientific-comp/loop3_true-unreach-call.c.i [2018-12-08 13:00:48,386 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data/417af1758/ecfa8593a5eb4756ac6e794ef3ca2a48/FLAG66a28b8c5 [2018-12-08 13:00:48,787 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data/417af1758/ecfa8593a5eb4756ac6e794ef3ca2a48 [2018-12-08 13:00:48,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:00:48,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:00:48,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:00:48,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:00:48,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:00:48,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48, skipping insertion in model container [2018-12-08 13:00:48,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:00:48,814 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:00:48,913 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:00:48,916 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:00:48,927 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:00:48,934 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:00:48,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48 WrapperNode [2018-12-08 13:00:48,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:00:48,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:00:48,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:00:48,936 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:00:48,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:00:48,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:00:48,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:00:48,956 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:00:48,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... [2018-12-08 13:00:48,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:00:48,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:00:48,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:00:48,999 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:00:49,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/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 [2018-12-08 13:00:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:00:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:00:49,139 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:00:49,140 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 13:00:49,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:00:49 BoogieIcfgContainer [2018-12-08 13:00:49,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:00:49,140 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:00:49,140 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:00:49,147 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:00:49,147 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:00:49" (1/1) ... [2018-12-08 13:00:49,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:00:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:00:49,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 13:00:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 13:00:49,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:00:49,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:00:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:00:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:00:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:00:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-08 13:00:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-08 13:00:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:00:49,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:00:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:00:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:00:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:00:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:00:49,297 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 13:00:49,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:00:49 ImpRootNode [2018-12-08 13:00:49,312 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:00:49,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:00:49,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:00:49,313 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:00:49,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:00:49" (3/4) ... [2018-12-08 13:00:49,315 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 13:00:49,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:00:49,316 INFO L168 Benchmark]: Toolchain (without parser) took 526.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -116.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:00:49,317 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:00:49,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.68 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:00:49,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.91 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:00:49,318 INFO L168 Benchmark]: Boogie Preprocessor took 43.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-08 13:00:49,318 INFO L168 Benchmark]: RCFGBuilder took 141.18 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-08 13:00:49,319 INFO L168 Benchmark]: CodeCheck took 172.22 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:00:49,319 INFO L168 Benchmark]: Witness Printer took 2.87 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. [2018-12-08 13:00:49,321 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, 14 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of to_real at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 24. Possible FailurePath: [L5] float pi = 3.14159 ; [L11] float x = __VERIFIER_nondet_float() ; [L12] float octant1 = 0 ; [L13] float octant2 = pi/8 ; [L15] float oddExp = x ; [L16] float evenExp = 1.0 ; [L17] float term = x ; [L18] unsigned int count = 2 ; [L19] int multFactor = 0 ; [L20] int temp ; VAL [pi=314159/100000] [L22] COND TRUE 1 [L24] term = term * (x/count) [L25] EXPR (count>>1 % 2 == 0) ? 1 : -1 [L25] multFactor = (count>>1 % 2 == 0) ? 1 : -1 [L27] evenExp = evenExp + multFactor*term [L29] count++ [L31] term = term * (x/count) [L33] oddExp = oddExp + multFactor*term [L35] count++ [L37] temp = __VERIFIER_nondet_int() [L38] COND TRUE temp == 0 VAL [pi=314159/100000] [L3] COND TRUE !(cond) VAL [pi=314159/100000] [L3] __VERIFIER_error() VAL [pi=314159/100000] * 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.68 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 19.91 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 141.18 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 172.22 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.87 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 [2018-12-08 13:00:50,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:00:50,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:00:50,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:00:50,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:00:50,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:00:50,589 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:00:50,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:00:50,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:00:50,591 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:00:50,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:00:50,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:00:50,592 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:00:50,593 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:00:50,593 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:00:50,594 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:00:50,594 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:00:50,595 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:00:50,596 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:00:50,597 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:00:50,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:00:50,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:00:50,599 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:00:50,599 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:00:50,599 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:00:50,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:00:50,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:00:50,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:00:50,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:00:50,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:00:50,601 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:00:50,601 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:00:50,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:00:50,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:00:50,602 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:00:50,602 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:00:50,603 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 13:00:50,610 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:00:50,610 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:00:50,610 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:00:50,611 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:00:50,611 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:00:50,611 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:00:50,611 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:00:50,611 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:00:50,611 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:00:50,611 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:00:50,611 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:00:50,611 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:00:50,612 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:00:50,612 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:00:50,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:00:50,613 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:00:50,613 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:00:50,613 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:00:50,613 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 13:00:50,613 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 13:00:50,613 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:00:50,613 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 13:00:50,613 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 13:00:50,613 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_e26ec1a4-05c0-421c-9bc2-59c6919172fe/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 -> 0fd0e678ea36c7b474907750a18ff4e57877f684 [2018-12-08 13:00:50,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:00:50,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:00:50,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:00:50,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:00:50,641 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:00:50,641 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop3_true-unreach-call.c.i [2018-12-08 13:00:50,675 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data/c2e4904b1/3f648e7ceee341d7bcfdab23476fbbb9/FLAGbf0e488e9 [2018-12-08 13:00:51,052 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:00:51,053 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/sv-benchmarks/c/loop-floats-scientific-comp/loop3_true-unreach-call.c.i [2018-12-08 13:00:51,056 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data/c2e4904b1/3f648e7ceee341d7bcfdab23476fbbb9/FLAGbf0e488e9 [2018-12-08 13:00:51,064 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/bin-2019/ukojak/data/c2e4904b1/3f648e7ceee341d7bcfdab23476fbbb9 [2018-12-08 13:00:51,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:00:51,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:00:51,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:00:51,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:00:51,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:00:51,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3325a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51, skipping insertion in model container [2018-12-08 13:00:51,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:00:51,084 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:00:51,175 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:00:51,178 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:00:51,190 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:00:51,199 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:00:51,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51 WrapperNode [2018-12-08 13:00:51,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:00:51,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:00:51,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:00:51,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:00:51,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:00:51,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:00:51,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:00:51,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:00:51,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... [2018-12-08 13:00:51,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:00:51,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:00:51,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:00:51,236 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:00:51,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:00:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e26ec1a4-05c0-421c-9bc2-59c6919172fe/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 [2018-12-08 13:00:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:00:51,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:01:31,242 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:01:31,242 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 13:01:31,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:01:31 BoogieIcfgContainer [2018-12-08 13:01:31,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:01:31,243 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:01:31,243 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:01:31,250 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:01:31,250 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:01:31" (1/1) ... [2018-12-08 13:01:31,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:01:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:01:31,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 13:01:31,279 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 13:01:31,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:01:31,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:01:31,314 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 13:01:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:01:31,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:01:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:01:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:01:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-08 13:01:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-08 13:01:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:01:31,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:01:31,344 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 13:01:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-08 13:01:41,841 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) [2018-12-08 13:01:41,844 INFO L168 Benchmark]: Toolchain (without parser) took 50778.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:01:41,846 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. [2018-12-08 13:01:41,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.52 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:01:41,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.92 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:01:41,847 INFO L168 Benchmark]: Boogie Preprocessor took 15.34 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:01:41,847 INFO L168 Benchmark]: RCFGBuilder took 40006.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:01:41,848 INFO L168 Benchmark]: CodeCheck took 10600.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:01:41,850 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 132.52 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.92 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.34 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 40006.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * CodeCheck took 10600.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...