./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/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 4907b122df98ddbbf9083d03257189b61cf26f41 ........................................................................................................................................................................................................................................................................................................................................... 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_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/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 4907b122df98ddbbf9083d03257189b61cf26f41 ................................................................................................................................................................................................................................................................................................. 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 [2018-12-09 00:03:23,735 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:03:23,737 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:03:23,745 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:03:23,745 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:03:23,746 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:03:23,747 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:03:23,748 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:03:23,749 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:03:23,750 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:03:23,750 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:03:23,751 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:03:23,751 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:03:23,752 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:03:23,753 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:03:23,753 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:03:23,754 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:03:23,755 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:03:23,757 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:03:23,758 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:03:23,759 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:03:23,759 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:03:23,761 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:03:23,761 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:03:23,761 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:03:23,762 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:03:23,763 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:03:23,764 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:03:23,764 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:03:23,765 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:03:23,765 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:03:23,766 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:03:23,766 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:03:23,766 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:03:23,766 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:03:23,767 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:03:23,767 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:03:23,778 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:03:23,778 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:03:23,778 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:03:23,778 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:03:23,779 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:03:23,779 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:03:23,779 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:03:23,779 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:03:23,780 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:03:23,780 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:03:23,780 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:03:23,780 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:03:23,780 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:03:23,780 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:03:23,780 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:03:23,780 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:03:23,780 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:03:23,781 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:03:23,781 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:03:23,781 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:03:23,781 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:03:23,781 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:03:23,781 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:03:23,781 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:03:23,782 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:03:23,782 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:03:23,782 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:03:23,782 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:03:23,782 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:03:23,782 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_57906753-2f0a-4cf4-9e92-6bf550d9215b/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 -> 4907b122df98ddbbf9083d03257189b61cf26f41 [2018-12-09 00:03:23,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:03:23,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:03:23,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:03:23,817 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:03:23,818 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:03:23,818 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c [2018-12-09 00:03:23,855 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data/043435646/3a074ec6f6e64a879375d7f28f44a562/FLAG1c2fa390c [2018-12-09 00:03:24,269 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:03:24,269 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c [2018-12-09 00:03:24,272 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data/043435646/3a074ec6f6e64a879375d7f28f44a562/FLAG1c2fa390c [2018-12-09 00:03:24,281 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data/043435646/3a074ec6f6e64a879375d7f28f44a562 [2018-12-09 00:03:24,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:03:24,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:03:24,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:24,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:03:24,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:03:24,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b10c34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24, skipping insertion in model container [2018-12-09 00:03:24,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:03:24,302 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:03:24,388 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:24,391 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:03:24,400 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:24,408 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:03:24,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24 WrapperNode [2018-12-09 00:03:24,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:24,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:24,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:03:24,409 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:03:24,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:24,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:03:24,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:03:24,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:03:24,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:03:24,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:03:24,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:03:24,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:03:24,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/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 [2018-12-09 00:03:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:03:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:03:24,572 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:03:24,572 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 00:03:24,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:24 BoogieIcfgContainer [2018-12-09 00:03:24,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:03:24,573 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:03:24,573 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:03:24,579 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:03:24,579 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:24" (1/1) ... [2018-12-09 00:03:24,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:24,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-09 00:03:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-09 00:03:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 00:03:24,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-09 00:03:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-09 00:03:24,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 00:03:24,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-09 00:03:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-09 00:03:24,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 00:03:24,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-09 00:03:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-09 00:03:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:03:24,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:24,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-12-09 00:03:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-09 00:03:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 00:03:24,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:24,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-09 00:03:24,906 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-09 00:03:24,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:03:24,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:24,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:24,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-12-09 00:03:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-12-09 00:03:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:03:24,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-12-09 00:03:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-12-09 00:03:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:03:25,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-12-09 00:03:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-09 00:03:25,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:03:25,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-09 00:03:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-09 00:03:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:03:25,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:25,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:25,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-12-09 00:03:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-12-09 00:03:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:03:25,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:03:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:03:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:03:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:03:25,295 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-12-09 00:03:25,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:03:25 ImpRootNode [2018-12-09 00:03:25,315 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:03:25,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:03:25,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:03:25,315 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:03:25,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:24" (3/4) ... [2018-12-09 00:03:25,318 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 00:03:25,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:03:25,319 INFO L168 Benchmark]: Toolchain (without parser) took 1035.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 959.7 MB in the beginning and 969.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 120.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:25,320 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:25,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.68 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:25,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.52 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:25,321 INFO L168 Benchmark]: Boogie Preprocessor took 37.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:25,321 INFO L168 Benchmark]: RCFGBuilder took 108.35 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:25,321 INFO L168 Benchmark]: CodeCheck took 741.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 969.0 MB in the end (delta: 144.3 MB). Peak memory consumption was 144.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:25,322 INFO L168 Benchmark]: Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 969.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:25,325 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, 9 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1536 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6646 SolverSat, 5626 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 509 SyntacticMatches, 45 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 1635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/165 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: 27]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 14. Possible FailurePath: [L1] int __return_main; [L7] float main__tick = 0.10000000149011612; [L8] float main__time = 0.0; [L9] int main__i; [L10] main__i = 0 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND FALSE !(main__i < 10) [L21] int __tmp_1; [L22] __tmp_1 = main__time != 1.0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L27] __VERIFIER_error() VAL [__return_main=0] * 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.68 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.52 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 108.35 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * CodeCheck took 741.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 969.0 MB in the end (delta: 144.3 MB). Peak memory consumption was 144.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 969.0 MB. 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 [2018-12-09 00:03:26,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:03:26,649 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:03:26,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:03:26,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:03:26,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:03:26,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:03:26,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:03:26,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:03:26,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:03:26,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:03:26,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:03:26,662 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:03:26,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:03:26,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:03:26,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:03:26,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:03:26,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:03:26,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:03:26,669 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:03:26,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:03:26,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:03:26,672 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:03:26,672 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:03:26,672 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:03:26,673 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:03:26,674 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:03:26,674 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:03:26,675 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:03:26,675 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:03:26,676 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:03:26,676 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:03:26,676 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:03:26,676 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:03:26,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:03:26,677 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:03:26,677 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 00:03:26,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:03:26,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:03:26,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:03:26,689 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:03:26,689 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:03:26,690 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:03:26,690 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:03:26,690 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:03:26,690 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:03:26,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:03:26,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:03:26,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:03:26,690 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:03:26,690 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 00:03:26,690 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 00:03:26,691 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:03:26,691 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:03:26,691 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:03:26,691 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:03:26,691 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:03:26,691 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:03:26,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:03:26,691 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:03:26,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:03:26,692 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:03:26,692 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:03:26,692 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:03:26,692 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 00:03:26,692 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 00:03:26,692 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:03:26,692 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 00:03:26,692 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 00:03:26,692 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_57906753-2f0a-4cf4-9e92-6bf550d9215b/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 -> 4907b122df98ddbbf9083d03257189b61cf26f41 [2018-12-09 00:03:26,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:03:26,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:03:26,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:03:26,728 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:03:26,729 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:03:26,729 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c [2018-12-09 00:03:26,771 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data/10bf9ff67/d9d143fde36a451c8ad0581526c20bc8/FLAG3f71cda4c [2018-12-09 00:03:27,069 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:03:27,069 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c [2018-12-09 00:03:27,073 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data/10bf9ff67/d9d143fde36a451c8ad0581526c20bc8/FLAG3f71cda4c [2018-12-09 00:03:27,084 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/bin-2019/ukojak/data/10bf9ff67/d9d143fde36a451c8ad0581526c20bc8 [2018-12-09 00:03:27,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:03:27,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:03:27,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:27,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:03:27,091 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:03:27,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf430f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27, skipping insertion in model container [2018-12-09 00:03:27,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:03:27,113 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:03:27,200 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:27,205 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:03:27,214 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:27,222 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:03:27,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27 WrapperNode [2018-12-09 00:03:27,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:27,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:27,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:03:27,223 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:03:27,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:27,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:03:27,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:03:27,243 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:03:27,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:03:27,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:03:27,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:03:27,256 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:03:27,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57906753-2f0a-4cf4-9e92-6bf550d9215b/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 [2018-12-09 00:03:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:03:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:03:27,500 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:03:27,500 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 00:03:27,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:27 BoogieIcfgContainer [2018-12-09 00:03:27,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:03:27,500 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:03:27,501 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:03:27,507 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:03:27,507 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:27" (1/1) ... [2018-12-09 00:03:27,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-09 00:03:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-09 00:03:27,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 00:03:27,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:27,567 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:27,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:27,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-09 00:03:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-09 00:03:27,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 00:03:27,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:27,785 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:27,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-09 00:03:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-09 00:03:28,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 00:03:28,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:28,024 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:28,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-09 00:03:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-09 00:03:28,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:03:28,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:28,406 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:28,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-12-09 00:03:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-09 00:03:28,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 00:03:28,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:28,729 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:28,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-09 00:03:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-09 00:03:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:03:29,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:29,221 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:29,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-12-09 00:03:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-12-09 00:03:29,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:03:29,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:29,654 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:29,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:30,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-12-09 00:03:30,113 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-12-09 00:03:30,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:03:30,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:30,115 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:30,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:30,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-12-09 00:03:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-09 00:03:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:03:30,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:30,583 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:30,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-09 00:03:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-09 00:03:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:03:30,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:30,999 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:31,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:31,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:03:31,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-09 00:03:31,542 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-09 00:03:31,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:03:31,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:03:31,543 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 00:03:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-09 00:03:41,656 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) [2018-12-09 00:03:41,658 INFO L168 Benchmark]: Toolchain (without parser) took 14570.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.4 MB in the beginning and 880.7 MB in the end (delta: 62.7 MB). Peak memory consumption was 205.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:41,659 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-09 00:03:41,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.37 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:41,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.84 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:41,660 INFO L168 Benchmark]: Boogie Preprocessor took 12.67 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:41,661 INFO L168 Benchmark]: RCFGBuilder took 244.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:41,661 INFO L168 Benchmark]: CodeCheck took 14156.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.7 MB in the end (delta: 238.1 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:41,663 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 0.16 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 134.37 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 19.84 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.67 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 244.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * CodeCheck took 14156.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.7 MB in the end (delta: 238.1 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...