./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_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_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_true-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/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 31c3052be2913cd69946306af2da1abd9d17ce0b ...................................................................................................................................................................................................................................... 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_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_true-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/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 31c3052be2913cd69946306af2da1abd9d17ce0b ..................................................................................................................................................................................................... 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 18:36:43,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:36:43,836 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:36:43,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:36:43,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:36:43,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:36:43,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:36:43,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:36:43,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:36:43,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:36:43,846 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:36:43,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:36:43,847 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:36:43,847 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:36:43,848 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:36:43,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:36:43,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:36:43,850 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:36:43,851 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:36:43,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:36:43,852 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:36:43,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:36:43,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:36:43,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:36:43,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:36:43,854 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:36:43,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:36:43,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:36:43,855 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:36:43,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:36:43,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:36:43,856 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:36:43,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:36:43,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:36:43,857 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:36:43,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:36:43,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 18:36:43,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:36:43,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:36:43,865 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:36:43,865 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 18:36:43,866 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:36:43,866 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:36:43,866 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:36:43,866 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:36:43,866 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:36:43,866 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:36:43,866 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:36:43,866 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:36:43,867 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:36:43,867 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:36:43,867 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:36:43,867 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:36:43,867 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:36:43,867 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:36:43,867 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 18:36:43,867 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 18:36:43,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:36:43,867 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:36:43,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 18:36:43,868 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:36:43,868 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:36:43,868 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:36:43,868 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 18:36:43,868 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:36:43,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:36:43,868 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_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/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 -> 31c3052be2913cd69946306af2da1abd9d17ce0b [2018-12-08 18:36:43,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:36:43,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:36:43,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:36:43,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:36:43,895 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:36:43,895 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_true-unreach-call.c.i [2018-12-08 18:36:43,933 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data/962c76a53/35311dd747474a008839ddb54ee88dbb/FLAGb9c9ab7c5 [2018-12-08 18:36:44,405 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:36:44,405 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/sv-benchmarks/c/loop-floats-scientific-comp/loop2_true-unreach-call.c.i [2018-12-08 18:36:44,408 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data/962c76a53/35311dd747474a008839ddb54ee88dbb/FLAGb9c9ab7c5 [2018-12-08 18:36:44,416 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data/962c76a53/35311dd747474a008839ddb54ee88dbb [2018-12-08 18:36:44,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:36:44,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:36:44,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:36:44,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:36:44,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:36:44,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44, skipping insertion in model container [2018-12-08 18:36:44,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:36:44,442 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:36:44,529 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:36:44,532 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:36:44,542 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:36:44,550 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:36:44,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44 WrapperNode [2018-12-08 18:36:44,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:36:44,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:36:44,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:36:44,551 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:36:44,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:36:44,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:36:44,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:36:44,570 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:36:44,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:36:44,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:36:44,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:36:44,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:36:44,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/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 18:36:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:36:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:36:44,757 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:36:44,757 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 18:36:44,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:36:44 BoogieIcfgContainer [2018-12-08 18:36:44,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:36:44,758 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 18:36:44,758 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 18:36:44,766 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 18:36:44,766 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:36:44" (1/1) ... [2018-12-08 18:36:44,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:36:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 18:36:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 18:36:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 18:36:44,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:36:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:44,865 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 18:36:44,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-08 18:36:44,870 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-08 18:36:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 18:36:44,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:36:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:36:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:36:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:36:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:36:44,934 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 18:36:44,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 06:36:44 ImpRootNode [2018-12-08 18:36:44,956 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 18:36:44,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:36:44,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:36:44,956 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:36:44,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:36:44" (3/4) ... [2018-12-08 18:36:44,959 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 18:36:44,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:36:44,959 INFO L168 Benchmark]: Toolchain (without parser) took 540.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:36:44,960 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:36:44,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:36:44,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.26 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:36:44,961 INFO L168 Benchmark]: Boogie Preprocessor took 42.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:36:44,962 INFO L168 Benchmark]: RCFGBuilder took 144.69 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-12-08 18:36:44,962 INFO L168 Benchmark]: CodeCheck took 198.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:36:44,962 INFO L168 Benchmark]: Witness Printer took 2.74 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 18:36:44,964 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 someBinaryArithmeticFLOAToperation at line 24. Possible FailurePath: [L6] float pi = 3.14159 ; [L12] float x = __VERIFIER_nondet_float() ; [L13] float octant = pi/3 ; [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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 19.26 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 144.69 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * CodeCheck took 198.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 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 18:36:46,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:36:46,244 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:36:46,250 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:36:46,250 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:36:46,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:36:46,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:36:46,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:36:46,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:36:46,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:36:46,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:36:46,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:36:46,254 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:36:46,255 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:36:46,255 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:36:46,256 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:36:46,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:36:46,257 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:36:46,258 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:36:46,259 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:36:46,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:36:46,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:36:46,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:36:46,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:36:46,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:36:46,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:36:46,262 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:36:46,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:36:46,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:36:46,263 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:36:46,263 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:36:46,264 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:36:46,264 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:36:46,264 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:36:46,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:36:46,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:36:46,265 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 18:36:46,272 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:36:46,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:36:46,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:36:46,273 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 18:36:46,273 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:36:46,273 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:36:46,273 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:36:46,273 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:36:46,273 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:36:46,273 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:36:46,273 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:36:46,274 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 18:36:46,274 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:36:46,274 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 18:36:46,275 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:36:46,275 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:36:46,275 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:36:46,275 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 18:36:46,275 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 18:36:46,275 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:36:46,275 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 18:36:46,275 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 18:36:46,275 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_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/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 -> 31c3052be2913cd69946306af2da1abd9d17ce0b [2018-12-08 18:36:46,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:36:46,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:36:46,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:36:46,306 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:36:46,307 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:36:46,307 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_true-unreach-call.c.i [2018-12-08 18:36:46,351 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data/ad9d7927a/8cf04bd995de4253b9f2e718acb2721f/FLAG13fb8fcd6 [2018-12-08 18:36:46,733 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:36:46,733 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/sv-benchmarks/c/loop-floats-scientific-comp/loop2_true-unreach-call.c.i [2018-12-08 18:36:46,737 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data/ad9d7927a/8cf04bd995de4253b9f2e718acb2721f/FLAG13fb8fcd6 [2018-12-08 18:36:46,745 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/bin-2019/ukojak/data/ad9d7927a/8cf04bd995de4253b9f2e718acb2721f [2018-12-08 18:36:46,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:36:46,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:36:46,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:36:46,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:36:46,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:36:46,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265c0857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46, skipping insertion in model container [2018-12-08 18:36:46,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:36:46,771 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:36:46,871 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:36:46,874 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:36:46,887 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:36:46,896 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:36:46,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46 WrapperNode [2018-12-08 18:36:46,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:36:46,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:36:46,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:36:46,897 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:36:46,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:36:46,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:36:46,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:36:46,923 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:36:46,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... [2018-12-08 18:36:46,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:36:46,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:36:46,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:36:46,945 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:36:46,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:36:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5fb3b84-147f-41ba-bb08-9c265c3c41a4/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 18:36:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:36:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:37:19,467 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:37:19,467 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 18:37:19,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:37:19 BoogieIcfgContainer [2018-12-08 18:37:19,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:37:19,468 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 18:37:19,468 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 18:37:19,476 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 18:37:19,476 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:37:19" (1/1) ... [2018-12-08 18:37:19,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:37:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:37:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 18:37:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 18:37:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 18:37:19,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:37:19,540 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 18:37:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:37:19,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:37:19,562 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 18:37:19,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:37:19,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-08 18:37:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-08 18:37:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 18:37:19,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:37:19,568 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 18:37:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-08 18:37:30,740 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 18:37:30,743 INFO L168 Benchmark]: Toolchain (without parser) took 43994.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:37:30,744 INFO L168 Benchmark]: CDTParser took 0.15 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 18:37:30,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.90 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 18:37:30,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.59 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 18:37:30,745 INFO L168 Benchmark]: Boogie Preprocessor took 22.25 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 18:37:30,746 INFO L168 Benchmark]: RCFGBuilder took 32522.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-08 18:37:30,746 INFO L168 Benchmark]: CodeCheck took 11274.16 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:37:30,749 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 0.15 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 146.90 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 25.59 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 22.25 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 32522.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * CodeCheck took 11274.16 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...