./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/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 d2a071cc6090a217f48ed180b566a651717a8e39 .......................................................................................................................................................................................................................................................................................................................... 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_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/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 d2a071cc6090a217f48ed180b566a651717a8e39 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:16:19,774 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:16:19,776 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:16:19,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:16:19,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:16:19,785 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:16:19,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:16:19,787 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:16:19,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:16:19,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:16:19,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:16:19,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:16:19,791 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:16:19,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:16:19,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:16:19,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:16:19,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:16:19,794 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:16:19,796 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:16:19,797 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:16:19,797 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:16:19,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:16:19,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:16:19,800 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:16:19,800 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:16:19,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:16:19,801 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:16:19,802 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:16:19,803 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:16:19,803 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:16:19,803 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:16:19,804 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:16:19,804 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:16:19,804 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:16:19,805 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:16:19,805 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:16:19,806 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:16:19,816 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:16:19,816 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:16:19,817 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:16:19,817 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:16:19,817 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:16:19,818 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:16:19,818 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:16:19,818 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:16:19,818 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:16:19,818 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:16:19,818 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:16:19,819 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:16:19,819 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:16:19,819 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:16:19,819 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:16:19,819 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:16:19,819 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:16:19,819 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:16:19,820 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:16:19,820 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:16:19,820 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:16:19,820 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:16:19,820 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:16:19,820 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:16:19,821 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:16:19,821 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:16:19,821 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:16:19,821 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:16:19,821 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:16:19,821 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_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-11-18 16:16:19,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:16:19,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:16:19,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:16:19,853 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:16:19,853 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:16:19,854 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 16:16:19,895 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data/efe8065d2/0d5c8e077abc4045b55c50a8647493b3/FLAG3b807c6cb [2018-11-18 16:16:20,206 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:16:20,206 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 16:16:20,211 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data/efe8065d2/0d5c8e077abc4045b55c50a8647493b3/FLAG3b807c6cb [2018-11-18 16:16:20,220 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data/efe8065d2/0d5c8e077abc4045b55c50a8647493b3 [2018-11-18 16:16:20,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:16:20,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:16:20,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:16:20,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:16:20,227 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:16:20,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20, skipping insertion in model container [2018-11-18 16:16:20,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:16:20,254 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:16:20,373 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:16:20,376 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:16:20,385 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:16:20,394 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:16:20,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20 WrapperNode [2018-11-18 16:16:20,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:16:20,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:16:20,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:16:20,396 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:16:20,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:16:20,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:16:20,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:16:20,413 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:16:20,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:16:20,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:16:20,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:16:20,460 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:16:20,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:16:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:16:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:16:20,610 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:16:20,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:20 BoogieIcfgContainer [2018-11-18 16:16:20,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:16:20,611 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:16:20,611 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:16:20,620 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:16:20,621 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:20" (1/1) ... [2018-11-18 16:16:20,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:16:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:20,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 16:16:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 16:16:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 16:16:20,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 16:16:20,728 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 16:16:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 16:16:20,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-18 16:16:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-18 16:16:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 16:16:20,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:20,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-18 16:16:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-18 16:16:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 16:16:20,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:21,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-18 16:16:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-18 16:16:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:16:21,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-18 16:16:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-18 16:16:21,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:16:21,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:21,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-11-18 16:16:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-11-18 16:16:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:16:21,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-11-18 16:16:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-11-18 16:16:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:16:21,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:21,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-11-18 16:16:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-11-18 16:16:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 16:16:21,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:21,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2018-11-18 16:16:21,889 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-11-18 16:16:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 16:16:21,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:16:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:16:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:16:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:16:22,029 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-11-18 16:16:22,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:16:22 ImpRootNode [2018-11-18 16:16:22,050 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:16:22,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:16:22,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:16:22,051 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:16:22,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:20" (3/4) ... [2018-11-18 16:16:22,055 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 16:16:22,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:16:22,055 INFO L168 Benchmark]: Toolchain (without parser) took 1832.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 958.0 MB in the beginning and 891.6 MB in the end (delta: 66.4 MB). Peak memory consumption was 174.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:22,057 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:16:22,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.91 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:22,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.72 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:22,059 INFO L168 Benchmark]: Boogie Preprocessor took 45.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:22,060 INFO L168 Benchmark]: RCFGBuilder took 151.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:22,060 INFO L168 Benchmark]: CodeCheck took 1438.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 891.6 MB in the end (delta: 195.4 MB). Peak memory consumption was 195.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:22,061 INFO L168 Benchmark]: Witness Printer took 4.48 ms. Allocated memory is still 1.1 GB. Free memory is still 891.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:16:22,065 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, 1.3s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2560 SDtfs, 1148 SDslu, 1784 SDs, 0 SdLazy, 3060 SolverSat, 1788 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 706 GetRequests, 603 SyntacticMatches, 69 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 14612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 0/168 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftLeft at line 22, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L14] unsigned char x; [L15] unsigned char y; [L16] unsigned char c; [L18] x = 37 [L19] y = 0 [L20] c = 0 [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND FALSE !(c < (unsigned char)8) [L29] CALL __VERIFIER_assert(x == y) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.91 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.72 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 151.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1438.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 891.6 MB in the end (delta: 195.4 MB). Peak memory consumption was 195.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.48 ms. Allocated memory is still 1.1 GB. Free memory is still 891.6 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 0.1.23-5842f4b [2018-11-18 16:16:23,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:16:23,514 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:16:23,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:16:23,522 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:16:23,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:16:23,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:16:23,524 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:16:23,525 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:16:23,526 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:16:23,527 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:16:23,527 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:16:23,527 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:16:23,528 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:16:23,529 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:16:23,530 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:16:23,530 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:16:23,531 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:16:23,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:16:23,534 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:16:23,534 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:16:23,535 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:16:23,537 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:16:23,537 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:16:23,537 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:16:23,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:16:23,538 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:16:23,539 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:16:23,539 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:16:23,540 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:16:23,540 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:16:23,541 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:16:23,541 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:16:23,541 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:16:23,542 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:16:23,542 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:16:23,542 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 16:16:23,553 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:16:23,553 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:16:23,554 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:16:23,554 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:16:23,554 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:16:23,554 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:16:23,555 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:16:23,555 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:16:23,555 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:16:23,555 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:16:23,555 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:16:23,555 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:16:23,555 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:16:23,556 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:16:23,556 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:16:23,556 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:16:23,556 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:16:23,556 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:16:23,556 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:16:23,556 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:16:23,556 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:16:23,557 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:16:23,557 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:16:23,557 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:16:23,557 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:16:23,557 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:16:23,557 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:16:23,557 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 16:16:23,558 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 16:16:23,558 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:16:23,558 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:16:23,558 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:16:23,558 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_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-11-18 16:16:23,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:16:23,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:16:23,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:16:23,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:16:23,596 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:16:23,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 16:16:23,632 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data/6407dc24c/cc864103b39c4dc694678934cc00b8fd/FLAGdc759e40d [2018-11-18 16:16:23,927 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:16:23,927 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 16:16:23,930 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data/6407dc24c/cc864103b39c4dc694678934cc00b8fd/FLAGdc759e40d [2018-11-18 16:16:23,938 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/data/6407dc24c/cc864103b39c4dc694678934cc00b8fd [2018-11-18 16:16:23,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:16:23,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:16:23,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:16:23,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:16:23,945 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:16:23,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:16:23" (1/1) ... [2018-11-18 16:16:23,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:23, skipping insertion in model container [2018-11-18 16:16:23,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:16:23" (1/1) ... [2018-11-18 16:16:23,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:16:23,967 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:16:24,092 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:16:24,096 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:16:24,108 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:16:24,116 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:16:24,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24 WrapperNode [2018-11-18 16:16:24,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:16:24,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:16:24,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:16:24,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:16:24,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:16:24,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:16:24,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:16:24,137 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:16:24,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:16:24,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:16:24,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:16:24,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:16:24,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:16:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:16:24,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:16:24,353 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:16:24,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:24 BoogieIcfgContainer [2018-11-18 16:16:24,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:16:24,353 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:16:24,354 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:16:24,361 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:16:24,361 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:24" (1/1) ... [2018-11-18 16:16:24,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:16:24,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 16:16:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 16:16:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 16:16:24,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:24,424 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:24,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 16:16:24,446 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 16:16:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 16:16:24,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:24,448 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:24,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:24,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:24,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-18 16:16:24,502 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-18 16:16:24,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 16:16:24,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:24,503 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:24,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:24,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:24,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-11-18 16:16:24,574 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-18 16:16:24,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 16:16:24,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:24,575 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:24,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-18 16:16:24,682 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-18 16:16:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:16:24,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:24,683 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:24,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-18 16:16:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-18 16:16:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:16:24,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:24,803 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:24,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-11-18 16:16:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-11-18 16:16:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:16:24,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:24,909 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:24,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:25,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-11-18 16:16:25,028 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-11-18 16:16:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:16:25,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:25,030 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:25,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-11-18 16:16:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-11-18 16:16:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 16:16:25,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:25,138 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:25,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2018-11-18 16:16:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-11-18 16:16:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 16:16:25,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:16:25,256 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:16:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:25,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:16:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2018-11-18 16:16:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-11-18 16:16:26,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:16:26,232 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 16:16:26,239 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 16:16:26,349 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-11-18 16:16:26,451 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-11-18 16:16:26,452 INFO L579 CodeCheckObserver]: Invariant with dag size 35 [2018-11-18 16:16:26,462 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:16:26,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:16:26 ImpRootNode [2018-11-18 16:16:26,463 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:16:26,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:16:26,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:16:26,463 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:16:26,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:24" (3/4) ... [2018-11-18 16:16:26,466 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:16:26,472 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 16:16:26,472 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:16:26,472 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 16:16:26,502 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a6b16f1-f22e-436c-89bd-65b2fc0641fc/bin-2019/ukojak/witness.graphml [2018-11-18 16:16:26,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:16:26,503 INFO L168 Benchmark]: Toolchain (without parser) took 2561.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -106.4 MB). Peak memory consumption was 94.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:26,503 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:16:26,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.20 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:26,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.37 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:26,504 INFO L168 Benchmark]: Boogie Preprocessor took 13.29 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:16:26,504 INFO L168 Benchmark]: RCFGBuilder took 202.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:26,505 INFO L168 Benchmark]: CodeCheck took 2109.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.2 MB). Peak memory consumption was 123.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:26,505 INFO L168 Benchmark]: Witness Printer took 39.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:16:26,507 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. SAFE Result, 1.8s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5120 SDtfs, 2080 SDslu, 3128 SDs, 0 SdLazy, 5186 SolverSat, 3102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 928 GetRequests, 858 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1884 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 7285 SizeOfPredicates, 28 NumberOfNonLiveVariables, 325 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 0/240 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 - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((((((2bv8 == c && 1bv8 == y) && 37bv8 == x) || ((0bv8 == c && 37bv8 == x) && 0bv8 == y)) || ((1bv8 == y && 37bv8 == x) && 1bv8 == c)) || ((4bv8 == c && 37bv8 == x) && 5bv8 == y)) || (((((((!(5bv8 == c) && !(3bv8 == c)) && !(4bv8 == c)) && !(2bv8 == c)) && 37bv8 == x) && !(1bv8 == c)) && !(0bv8 == c)) && 37bv8 == y)) || ((37bv8 == x && 3bv8 == c) && 5bv8 == y)) || ((37bv8 == x && 5bv8 == c) && 5bv8 == y) - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.20 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 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 19.37 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.29 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 202.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * CodeCheck took 2109.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.2 MB). Peak memory consumption was 123.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.15 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 proved your program to be correct! Received shutdown request...