./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/eq2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/eq2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/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 fdb1f2e16ca0cea0aeedbb6ec0b2cb707dfee0e0 ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:33:25,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:33:25,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:33:25,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:33:25,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:33:25,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:33:25,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:33:25,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:33:25,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:33:25,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:33:25,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:33:25,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:33:25,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:33:25,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:33:25,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:33:25,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:33:25,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:33:25,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:33:25,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:33:25,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:33:25,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:33:25,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:33:25,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:33:25,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:33:25,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:33:25,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:33:25,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:33:25,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:33:25,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:33:25,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:33:25,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:33:25,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:33:25,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:33:25,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:33:25,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:33:25,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:33:25,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:33:25,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:33:25,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:33:25,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:33:25,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:33:25,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 01:33:25,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:33:25,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:33:25,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:33:25,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:33:25,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:33:25,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:33:25,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:33:25,111 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:33:25,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:33:25,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:33:25,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:33:25,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:33:25,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:33:25,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:33:25,113 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:33:25,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:33:25,114 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:33:25,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:33:25,114 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:33:25,115 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:33:25,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:33:25,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:33:25,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:33:25,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:33:25,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:33:25,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:33:25,117 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:33:25,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:33:25,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:33:25,117 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_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/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 ! 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 -> fdb1f2e16ca0cea0aeedbb6ec0b2cb707dfee0e0 [2019-11-20 01:33:25,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:33:25,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:33:25,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:33:25,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:33:25,271 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:33:25,272 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/../../sv-benchmarks/c/loop-invariants/eq2.c [2019-11-20 01:33:25,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/data/b94359f92/60baabd355d0436f9ed47bf0390d9990/FLAGf97f462a0 [2019-11-20 01:33:25,744 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:33:25,744 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/sv-benchmarks/c/loop-invariants/eq2.c [2019-11-20 01:33:25,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/data/b94359f92/60baabd355d0436f9ed47bf0390d9990/FLAGf97f462a0 [2019-11-20 01:33:25,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/data/b94359f92/60baabd355d0436f9ed47bf0390d9990 [2019-11-20 01:33:25,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:33:25,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:33:25,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:33:25,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:33:25,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:33:25,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:33:25" (1/1) ... [2019-11-20 01:33:25,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f42490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:25, skipping insertion in model container [2019-11-20 01:33:25,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:33:25" (1/1) ... [2019-11-20 01:33:25,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:33:25,803 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:33:25,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:33:25,940 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:33:26,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:33:26,026 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:33:26,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26 WrapperNode [2019-11-20 01:33:26,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:33:26,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:33:26,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:33:26,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:33:26,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:33:26,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:33:26,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:33:26,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:33:26,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:33:26,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:33:26,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:33:26,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:33:26,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/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 [2019-11-20 01:33:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:33:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:33:26,418 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:33:26,418 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 01:33:26,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:33:26 BoogieIcfgContainer [2019-11-20 01:33:26,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:33:26,420 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:33:26,420 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:33:26,430 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:33:26,430 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:33:26" (1/1) ... [2019-11-20 01:33:26,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:33:26,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:33:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-11-20 01:33:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-11-20 01:33:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 01:33:26,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:33:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:33:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:33:26,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:33:26,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-11-20 01:33:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-11-20 01:33:26,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:33:26,875 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-11-20 01:33:26,884 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 01:33:26,910 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 01:33:26,925 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:33:26,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:33:26 ImpRootNode [2019-11-20 01:33:26,926 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:33:26,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:33:26,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:33:26,927 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:33:26,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:33:26" (3/4) ... [2019-11-20 01:33:26,931 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:33:26,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 01:33:26,941 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 01:33:26,941 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:33:26,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_278f99fe-f8cf-4db0-9111-8c6cae9a2cd8/bin/ukojak/witness.graphml [2019-11-20 01:33:26,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:33:26,983 INFO L168 Benchmark]: Toolchain (without parser) took 1213.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:33:26,983 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-20 01:33:26,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:33:26,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.43 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. [2019-11-20 01:33:26,985 INFO L168 Benchmark]: Boogie Preprocessor took 18.50 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. [2019-11-20 01:33:26,986 INFO L168 Benchmark]: RCFGBuilder took 342.54 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: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:33:26,986 INFO L168 Benchmark]: CodeCheck took 506.18 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: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:33:26,987 INFO L168 Benchmark]: Witness Printer took 54.83 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:33:26,990 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, 7 locations, 1 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 5]: 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: 14]: Loop Invariant Derived loop invariant: (z + 4294967296 * (y / 4294967296) < 4294967296 * (z / 4294967296) + y + 1 && 4294967296 * (z / 4294967296) + y <= z + 4294967296 * (y / 4294967296)) && y / 4294967296 <= z / 4294967296 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 255.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.43 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 18.50 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 342.54 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: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * CodeCheck took 506.18 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: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Witness Printer took 54.83 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...