./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_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/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_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/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_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/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_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/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 [2018-12-08 13:18:41,479 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:18:41,479 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:18:41,485 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:18:41,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:18:41,486 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:18:41,487 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:18:41,488 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:18:41,488 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:18:41,489 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:18:41,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:18:41,490 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:18:41,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:18:41,490 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:18:41,491 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:18:41,491 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:18:41,492 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:18:41,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:18:41,493 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:18:41,494 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:18:41,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:18:41,495 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:18:41,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:18:41,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:18:41,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:18:41,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:18:41,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:18:41,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:18:41,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:18:41,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:18:41,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:18:41,499 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:18:41,499 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:18:41,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:18:41,500 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:18:41,500 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:18:41,501 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:18:41,508 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:18:41,508 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:18:41,508 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:18:41,509 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:18:41,509 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:18:41,509 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:18:41,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:18:41,509 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:18:41,509 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:18:41,509 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:18:41,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:18:41,509 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:18:41,510 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:18:41,510 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:18:41,510 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:18:41,510 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:18:41,510 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:18:41,510 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:18:41,510 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:18:41,510 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:18:41,510 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:18:41,510 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:18:41,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:18:41,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:18:41,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:18:41,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:18:41,511 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:18:41,511 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:18:41,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:18:41,511 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_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/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 [2018-12-08 13:18:41,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:18:41,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:18:41,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:18:41,539 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:18:41,540 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:18:41,540 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-12-08 13:18:41,571 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data/0e0a9e7ca/a31e2abb138643dca6bb2593ea5cfa5f/FLAG976a0ca36 [2018-12-08 13:18:41,861 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:18:41,862 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-12-08 13:18:41,865 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data/0e0a9e7ca/a31e2abb138643dca6bb2593ea5cfa5f/FLAG976a0ca36 [2018-12-08 13:18:41,874 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data/0e0a9e7ca/a31e2abb138643dca6bb2593ea5cfa5f [2018-12-08 13:18:41,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:18:41,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:18:41,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:18:41,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:18:41,880 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:18:41,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:18:41" (1/1) ... [2018-12-08 13:18:41,883 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 08.12 01:18:41, skipping insertion in model container [2018-12-08 13:18:41,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:18:41" (1/1) ... [2018-12-08 13:18:41,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:18:41,901 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:18:41,989 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:18:41,992 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:18:42,001 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:18:42,009 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:18:42,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42 WrapperNode [2018-12-08 13:18:42,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:18:42,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:18:42,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:18:42,010 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:18:42,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:18:42,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:18:42,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:18:42,030 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:18:42,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:18:42,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:18:42,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:18:42,073 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:18:42,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:18:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:18:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:18:42,216 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:18:42,216 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 13:18:42,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:18:42 BoogieIcfgContainer [2018-12-08 13:18:42,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:18:42,217 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:18:42,217 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:18:42,223 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:18:42,223 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:18:42" (1/1) ... [2018-12-08 13:18:42,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:18:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-08 13:18:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-08 13:18:42,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 13:18:42,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-12-08 13:18:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-12-08 13:18:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:18:42,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-08 13:18:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-08 13:18:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:18:42,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:42,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-08 13:18:42,573 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-08 13:18:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:18:42,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:42,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-08 13:18:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-08 13:18:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 13:18:42,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-12-08 13:18:42,764 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-12-08 13:18:42,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:18:42,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-12-08 13:18:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-12-08 13:18:42,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 13:18:42,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-12-08 13:18:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-12-08 13:18:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:18:43,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2018-12-08 13:18:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-12-08 13:18:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 13:18:43,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:18:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:18:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:18:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:18:43,258 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2018-12-08 13:18:43,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:18:43 ImpRootNode [2018-12-08 13:18:43,273 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:18:43,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:18:43,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:18:43,274 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:18:43,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:18:42" (3/4) ... [2018-12-08 13:18:43,277 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 13:18:43,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:18:43,277 INFO L168 Benchmark]: Toolchain (without parser) took 1401.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 954.9 MB in the beginning and 926.3 MB in the end (delta: 28.6 MB). Peak memory consumption was 159.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:43,279 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. [2018-12-08 13:18:43,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.04 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:43,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:18:43,280 INFO L168 Benchmark]: Boogie Preprocessor took 42.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:43,280 INFO L168 Benchmark]: RCFGBuilder took 144.34 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: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:43,281 INFO L168 Benchmark]: CodeCheck took 1056.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.3 MB in the end (delta: 180.7 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:43,282 INFO L168 Benchmark]: Witness Printer took 3.41 ms. Allocated memory is still 1.2 GB. Free memory is still 926.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:18:43,284 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, 0.5s 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, 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 133.04 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 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 19.63 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 144.34 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: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1056.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.3 MB in the end (delta: 180.7 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.41 ms. Allocated memory is still 1.2 GB. Free memory is still 926.3 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 [2018-12-08 13:18:44,589 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:18:44,590 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:18:44,596 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:18:44,596 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:18:44,597 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:18:44,597 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:18:44,598 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:18:44,599 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:18:44,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:18:44,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:18:44,600 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:18:44,600 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:18:44,601 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:18:44,601 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:18:44,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:18:44,602 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:18:44,603 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:18:44,604 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:18:44,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:18:44,605 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:18:44,605 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:18:44,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:18:44,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:18:44,607 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:18:44,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:18:44,608 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:18:44,608 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:18:44,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:18:44,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:18:44,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:18:44,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:18:44,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:18:44,610 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:18:44,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:18:44,610 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:18:44,610 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 13:18:44,618 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:18:44,618 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:18:44,618 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:18:44,618 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:18:44,619 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:18:44,619 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:18:44,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:18:44,619 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:18:44,619 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:18:44,619 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:18:44,619 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:18:44,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:18:44,620 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:18:44,620 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 13:18:44,620 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 13:18:44,620 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:18:44,620 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:18:44,620 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:18:44,620 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:18:44,620 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:18:44,620 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:18:44,620 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:18:44,621 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:18:44,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:18:44,621 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:18:44,621 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:18:44,621 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:18:44,621 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 13:18:44,621 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 13:18:44,621 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:18:44,621 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 13:18:44,621 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 13:18:44,621 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_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/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 [2018-12-08 13:18:44,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:18:44,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:18:44,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:18:44,648 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:18:44,649 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:18:44,649 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-12-08 13:18:44,685 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data/ef225f7c7/fe18d892ba5e4ce4a3c173a977106a9d/FLAGfcf28e02b [2018-12-08 13:18:45,097 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:18:45,098 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-12-08 13:18:45,101 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data/ef225f7c7/fe18d892ba5e4ce4a3c173a977106a9d/FLAGfcf28e02b [2018-12-08 13:18:45,109 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/data/ef225f7c7/fe18d892ba5e4ce4a3c173a977106a9d [2018-12-08 13:18:45,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:18:45,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:18:45,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:18:45,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:18:45,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:18:45,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfa0d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45, skipping insertion in model container [2018-12-08 13:18:45,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:18:45,135 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:18:45,230 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:18:45,233 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:18:45,243 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:18:45,251 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:18:45,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45 WrapperNode [2018-12-08 13:18:45,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:18:45,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:18:45,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:18:45,252 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:18:45,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:18:45,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:18:45,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:18:45,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:18:45,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:18:45,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:18:45,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:18:45,284 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:18:45,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:18:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:18:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:18:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:18:45,460 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:18:45,460 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 13:18:45,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:18:45 BoogieIcfgContainer [2018-12-08 13:18:45,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:18:45,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:18:45,461 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:18:45,467 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:18:45,467 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:18:45" (1/1) ... [2018-12-08 13:18:45,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:18:45,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-08 13:18:45,494 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-08 13:18:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 13:18:45,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:45,527 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:18:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:45,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:18:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-12-08 13:18:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-12-08 13:18:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:18:45,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:45,584 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:18:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:45,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:18:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:45,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:45,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-08 13:18:45,641 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-08 13:18:45,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:18:45,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:45,643 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:18:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:45,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:18:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-08 13:18:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-08 13:18:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:18:45,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:45,697 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:18:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:45,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:18:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:45,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-08 13:18:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-08 13:18:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 13:18:45,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:45,755 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:18:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:45,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:18:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-12-08 13:18:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-12-08 13:18:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:18:45,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:45,842 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:18:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:45,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:18:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-12-08 13:18:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-12-08 13:18:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 13:18:45,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:45,933 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:18:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:45,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:18:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:46,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-12-08 13:18:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-12-08 13:18:46,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:18:46,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:46,035 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:18:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:46,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:18:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2018-12-08 13:18:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-12-08 13:18:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 13:18:46,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:46,172 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:18:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:46,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:18:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:47,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-12-08 13:18:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-12-08 13:18:47,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:18:47,104 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-12-08 13:18:47,111 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 13:18:47,249 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-12-08 13:18:47,250 INFO L583 CodeCheckObserver]: Invariant with dag size 35 [2018-12-08 13:18:47,258 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:18:47,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:18:47 ImpRootNode [2018-12-08 13:18:47,259 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:18:47,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:18:47,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:18:47,259 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:18:47,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:18:45" (3/4) ... [2018-12-08 13:18:47,262 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:18:47,268 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 13:18:47,268 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 13:18:47,268 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 13:18:47,292 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4d23b6b7-0e0a-4db8-9f33-d68968aadf68/bin-2019/ukojak/witness.graphml [2018-12-08 13:18:47,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:18:47,292 INFO L168 Benchmark]: Toolchain (without parser) took 2181.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:47,293 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. [2018-12-08 13:18:47,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.40 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:47,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.48 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:18:47,294 INFO L168 Benchmark]: Boogie Preprocessor took 12.39 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:47,294 INFO L168 Benchmark]: RCFGBuilder took 176.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:47,294 INFO L168 Benchmark]: CodeCheck took 1798.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.1 MB). Peak memory consumption was 96.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:18:47,294 INFO L168 Benchmark]: Witness Printer took 32.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:18:47,296 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, 1.2s 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)) || (((((((!(5bv8 == c) && !(3bv8 == c)) && !(4bv8 == c)) && !(2bv8 == c)) && 37bv8 == x) && !(1bv8 == c)) && !(0bv8 == c)) && 37bv8 == y)) || ((4bv8 == c && 37bv8 == x) && 5bv8 == 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 139.40 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.48 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.39 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 176.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1798.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.1 MB). Peak memory consumption was 96.0 MB. Max. memory is 11.5 GB. * Witness Printer took 32.93 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...