./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/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_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/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_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/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_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/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 0.1.23-635dfa2 [2018-12-02 08:42:25,238 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:42:25,239 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:42:25,247 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:42:25,247 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:42:25,248 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:42:25,248 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:42:25,249 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:42:25,250 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:42:25,251 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:42:25,251 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:42:25,252 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:42:25,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:42:25,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:42:25,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:42:25,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:42:25,255 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:42:25,256 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:42:25,257 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:42:25,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:42:25,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:42:25,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:42:25,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:42:25,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:42:25,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:42:25,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:42:25,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:42:25,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:42:25,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:42:25,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:42:25,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:42:25,264 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:42:25,264 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:42:25,264 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:42:25,265 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:42:25,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:42:25,265 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 08:42:25,273 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:42:25,273 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:42:25,274 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:42:25,274 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 08:42:25,275 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:42:25,275 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:42:25,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:42:25,275 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:42:25,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:42:25,275 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:42:25,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:42:25,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:42:25,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:42:25,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:42:25,276 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:42:25,276 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:42:25,277 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:42:25,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:42:25,277 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 08:42:25,277 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 08:42:25,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:42:25,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:42:25,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 08:42:25,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:42:25,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:42:25,278 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:42:25,278 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 08:42:25,278 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:42:25,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:42:25,279 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_87b3e3be-6aea-4746-970c-ec6022b27652/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 [2018-12-02 08:42:25,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:42:25,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:42:25,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:42:25,308 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:42:25,309 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:42:25,309 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-12-02 08:42:25,341 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data/756658018/453a6d7eb83941f4b2871b7247918fa7/FLAG6a9283fd8 [2018-12-02 08:42:25,740 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:42:25,740 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-12-02 08:42:25,743 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data/756658018/453a6d7eb83941f4b2871b7247918fa7/FLAG6a9283fd8 [2018-12-02 08:42:25,751 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data/756658018/453a6d7eb83941f4b2871b7247918fa7 [2018-12-02 08:42:25,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:42:25,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:42:25,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:42:25,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:42:25,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:42:25,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409ee820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25, skipping insertion in model container [2018-12-02 08:42:25,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:42:25,771 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:42:25,855 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:42:25,857 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:42:25,866 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:42:25,874 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:42:25,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25 WrapperNode [2018-12-02 08:42:25,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:42:25,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:42:25,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:42:25,875 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:42:25,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:42:25,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:42:25,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:42:25,893 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:42:25,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... [2018-12-02 08:42:25,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:42:25,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:42:25,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:42:25,936 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:42:25,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/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 [2018-12-02 08:42:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:42:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:42:26,090 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:42:26,090 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 08:42:26,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:26 BoogieIcfgContainer [2018-12-02 08:42:26,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:42:26,091 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 08:42:26,091 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 08:42:26,098 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 08:42:26,098 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:26" (1/1) ... [2018-12-02 08:42:26,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 08:42:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 08:42:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 08:42:26,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-12-02 08:42:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-12-02 08:42:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 08:42:26,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-02 08:42:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-02 08:42:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 08:42:26,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-02 08:42:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-02 08:42:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 08:42:26,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-02 08:42:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-02 08:42:26,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 08:42:26,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-12-02 08:42:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-12-02 08:42:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 08:42:26,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-12-02 08:42:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-12-02 08:42:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 08:42:26,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-12-02 08:42:26,900 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-12-02 08:42:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 08:42:26,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:27,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2018-12-02 08:42:27,076 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-12-02 08:42:27,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 08:42:27,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:42:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:42:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:42:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:42:27,158 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2018-12-02 08:42:27,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:42:27 ImpRootNode [2018-12-02 08:42:27,178 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 08:42:27,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:42:27,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:42:27,178 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:42:27,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:26" (3/4) ... [2018-12-02 08:42:27,182 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 08:42:27,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:42:27,183 INFO L168 Benchmark]: Toolchain (without parser) took 1429.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 957.1 MB in the beginning and 932.5 MB in the end (delta: 24.6 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:27,184 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:42:27,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 120.28 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:27,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.10 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:42:27,186 INFO L168 Benchmark]: Boogie Preprocessor took 42.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:27,187 INFO L168 Benchmark]: RCFGBuilder took 155.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:27,188 INFO L168 Benchmark]: CodeCheck took 1086.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.5 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:27,188 INFO L168 Benchmark]: Witness Printer took 4.14 ms. Allocated memory is still 1.2 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:42:27,192 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, 12 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 384 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 1846 SolverSat, 1722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 403 GetRequests, 327 SyntacticMatches, 42 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 3919 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/84 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 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 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) [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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 120.28 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 18.10 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 155.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * CodeCheck took 1086.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.5 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.14 ms. Allocated memory is still 1.2 GB. Free memory is still 932.5 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 [2018-12-02 08:42:28,579 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:42:28,580 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:42:28,587 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:42:28,587 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:42:28,587 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:42:28,588 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:42:28,589 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:42:28,590 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:42:28,590 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:42:28,590 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:42:28,591 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:42:28,591 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:42:28,592 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:42:28,592 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:42:28,593 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:42:28,593 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:42:28,594 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:42:28,595 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:42:28,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:42:28,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:42:28,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:42:28,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:42:28,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:42:28,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:42:28,598 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:42:28,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:42:28,599 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:42:28,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:42:28,600 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:42:28,600 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:42:28,601 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:42:28,601 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:42:28,601 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:42:28,601 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:42:28,602 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:42:28,602 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 08:42:28,609 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:42:28,609 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:42:28,610 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:42:28,610 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 08:42:28,610 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:42:28,610 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:42:28,610 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:42:28,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:42:28,612 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 08:42:28,612 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 08:42:28,612 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:42:28,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:42:28,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 08:42:28,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:42:28,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:42:28,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:42:28,612 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 08:42:28,612 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 08:42:28,612 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:42:28,613 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 08:42:28,613 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 08:42:28,613 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/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 [2018-12-02 08:42:28,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:42:28,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:42:28,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:42:28,640 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:42:28,641 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:42:28,641 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-12-02 08:42:28,677 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data/aa7399e92/0d13a843266d433cb2912722d90cd35c/FLAG239618eb6 [2018-12-02 08:42:29,012 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:42:29,013 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-12-02 08:42:29,016 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data/aa7399e92/0d13a843266d433cb2912722d90cd35c/FLAG239618eb6 [2018-12-02 08:42:29,408 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/data/aa7399e92/0d13a843266d433cb2912722d90cd35c [2018-12-02 08:42:29,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:42:29,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:42:29,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:42:29,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:42:29,415 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:42:29,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265c0857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29, skipping insertion in model container [2018-12-02 08:42:29,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:42:29,433 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:42:29,526 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:42:29,529 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:42:29,539 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:42:29,547 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:42:29,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29 WrapperNode [2018-12-02 08:42:29,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:42:29,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:42:29,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:42:29,548 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:42:29,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:42:29,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:42:29,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:42:29,566 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:42:29,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:42:29,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:42:29,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:42:29,578 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:42:29,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/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 [2018-12-02 08:42:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:42:29,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:42:29,747 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:42:29,748 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 08:42:29,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:29 BoogieIcfgContainer [2018-12-02 08:42:29,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:42:29,748 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 08:42:29,748 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 08:42:29,754 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 08:42:29,754 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:29" (1/1) ... [2018-12-02 08:42:29,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:42:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 08:42:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 08:42:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 08:42:29,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:29,813 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 08:42:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:29,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-12-02 08:42:29,867 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-12-02 08:42:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 08:42:29,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:29,868 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 08:42:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:29,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:29,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-02 08:42:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-02 08:42:29,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 08:42:29,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:29,925 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 08:42:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:29,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:29,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-02 08:42:29,984 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-02 08:42:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 08:42:29,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:29,985 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 08:42:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:29,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:30,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-02 08:42:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-02 08:42:30,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 08:42:30,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:30,045 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 08:42:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:30,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-12-02 08:42:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-12-02 08:42:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 08:42:30,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:30,134 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 08:42:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:30,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:30,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-12-02 08:42:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-12-02 08:42:30,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 08:42:30,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:30,219 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 08:42:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:30,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:30,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:30,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-12-02 08:42:30,322 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-12-02 08:42:30,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 08:42:30,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:30,323 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 08:42:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:30,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:30,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2018-12-02 08:42:30,439 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-12-02 08:42:30,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 08:42:30,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:42:30,440 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 08:42:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:42:30,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:42:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:42:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:42:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-12-02 08:42:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-12-02 08:42:31,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:42:31,449 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-12-02 08:42:31,455 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 08:42:31,582 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-12-02 08:42:31,583 INFO L583 CodeCheckObserver]: Invariant with dag size 35 [2018-12-02 08:42:31,592 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 08:42:31,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:42:31 ImpRootNode [2018-12-02 08:42:31,593 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 08:42:31,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:42:31,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:42:31,593 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:42:31,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:29" (3/4) ... [2018-12-02 08:42:31,596 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:42:31,603 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 08:42:31,603 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 08:42:31,604 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 08:42:31,630 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_87b3e3be-6aea-4746-970c-ec6022b27652/bin-2019/ukojak/witness.graphml [2018-12-02 08:42:31,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:42:31,630 INFO L168 Benchmark]: Toolchain (without parser) took 2219.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:31,631 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-02 08:42:31,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.86 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:31,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.66 ms. Allocated memory is still 1.0 GB. Free memory is still 931.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:42:31,632 INFO L168 Benchmark]: Boogie Preprocessor took 11.75 ms. Allocated memory is still 1.0 GB. Free memory was 931.3 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:31,632 INFO L168 Benchmark]: RCFGBuilder took 169.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:31,632 INFO L168 Benchmark]: CodeCheck took 1844.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 96.0 MB. Max. memory is 11.5 GB. [2018-12-02 08:42:31,633 INFO L168 Benchmark]: Witness Printer took 37.00 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-02 08:42:31,634 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, 12 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 768 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3134 SolverSat, 3098 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 493 GetRequests, 423 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, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 1933 SizeOfPredicates, 28 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 0/120 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 0.12 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 134.86 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.3 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 18.66 ms. Allocated memory is still 1.0 GB. Free memory is still 931.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.75 ms. Allocated memory is still 1.0 GB. Free memory was 931.3 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 169.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1844.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 96.0 MB. Max. memory is 11.5 GB. * Witness Printer took 37.00 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...