./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTermination2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTermination2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3bdd2aaf4af84b42e88a03b6cada9c80fbadbca9 ................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:12:55,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:12:55,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:12:55,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:12:55,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:12:55,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:12:55,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:12:55,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:12:55,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:12:55,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:12:55,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:12:55,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:12:55,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:12:55,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:12:55,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:12:55,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:12:55,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:12:55,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:12:55,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:12:55,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:12:55,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:12:55,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:12:55,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:12:55,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:12:55,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:12:55,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:12:55,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:12:55,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:12:55,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:12:55,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:12:55,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:12:55,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:12:55,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:12:55,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:12:55,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:12:55,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:12:55,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:12:55,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:12:55,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:12:55,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:12:55,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:12:55,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:12:55,111 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:12:55,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:12:55,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:12:55,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:12:55,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:12:55,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:12:55,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:12:55,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:12:55,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:12:55,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:12:55,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:12:55,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:12:55,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:12:55,117 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:12:55,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:12:55,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:12:55,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:12:55,118 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:12:55,118 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:12:55,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:12:55,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:12:55,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:12:55,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:12:55,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:12:55,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:12:55,119 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:12:55,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:12:55,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:12:55,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bdd2aaf4af84b42e88a03b6cada9c80fbadbca9 [2019-11-26 02:12:55,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:12:55,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:12:55,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:12:55,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:12:55,284 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:12:55,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/../../sv-benchmarks/c/termination-crafted/NonTermination2.c [2019-11-26 02:12:55,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/data/a9676c699/950471127dbe4b64a3a269cd8e7523e1/FLAG8b5756b50 [2019-11-26 02:12:55,704 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:12:55,707 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/sv-benchmarks/c/termination-crafted/NonTermination2.c [2019-11-26 02:12:55,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/data/a9676c699/950471127dbe4b64a3a269cd8e7523e1/FLAG8b5756b50 [2019-11-26 02:12:56,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/data/a9676c699/950471127dbe4b64a3a269cd8e7523e1 [2019-11-26 02:12:56,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:12:56,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:12:56,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:12:56,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:12:56,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:12:56,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee3b40e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56, skipping insertion in model container [2019-11-26 02:12:56,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:12:56,180 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:12:56,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:12:56,358 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:12:56,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:12:56,505 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:12:56,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56 WrapperNode [2019-11-26 02:12:56,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:12:56,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:12:56,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:12:56,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:12:56,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:12:56,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:12:56,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:12:56,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:12:56,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:12:56,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:12:56,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:12:56,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:12:56,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/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 [2019-11-26 02:12:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:12:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:12:56,781 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:12:56,782 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:12:56,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:56 BoogieIcfgContainer [2019-11-26 02:12:56,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:12:56,783 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:12:56,783 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:12:56,793 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:12:56,794 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:56" (1/1) ... [2019-11-26 02:12:56,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:12:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:12:56,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2019-11-26 02:12:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-11-26 02:12:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:12:56,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:12:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:12:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:12:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:12:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:12:57,032 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-11-26 02:12:57,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:12:57 ImpRootNode [2019-11-26 02:12:57,048 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:12:57,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:12:57,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:12:57,048 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:12:57,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:56" (3/4) ... [2019-11-26 02:12:57,051 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:12:57,083 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_917e07e4-1aa1-4ece-8552-b61250d0a7f7/bin/ukojak/witness.graphml [2019-11-26 02:12:57,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:12:57,086 INFO L168 Benchmark]: Toolchain (without parser) took 936.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:12:57,086 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:12:57,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:57,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:12:57,088 INFO L168 Benchmark]: Boogie Preprocessor took 20.29 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. [2019-11-26 02:12:57,089 INFO L168 Benchmark]: RCFGBuilder took 220.05 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:57,090 INFO L168 Benchmark]: CodeCheck took 264.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:57,090 INFO L168 Benchmark]: Witness Printer took 35.32 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. [2019-11-26 02:12:57,094 INFO L335 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, 10 locations, 2 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 14]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x, oldx; [L13] x = __VERIFIER_nondet_int() [L14] x > 1 && x >= 2*oldx [L14] 2*oldx * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.29 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. * RCFGBuilder took 220.05 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * CodeCheck took 264.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Witness Printer took 35.32 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 incorrect! Received shutdown request...