./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/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 32bit --witnessprinter.graph.data.programhash 4412f873965d7271481a31165cef4693811ec350 .......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:20:56,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:20:56,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:20:56,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:20:56,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:20:56,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:20:56,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:20:56,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:20:56,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:20:56,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:20:56,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:20:56,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:20:56,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:20:56,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:20:56,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:20:56,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:20:56,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:20:56,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:20:56,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:20:56,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:20:56,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:20:56,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:20:56,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:20:56,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:20:56,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:20:56,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:20:56,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:20:56,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:20:56,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:20:56,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:20:56,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:20:56,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:20:56,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:20:56,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:20:56,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:20:56,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:20:56,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:20:56,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:20:56,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:20:56,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:20:56,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:20:56,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 17:20:56,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:20:56,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:20:56,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:20:56,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:20:56,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:20:56,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:20:56,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:20:56,887 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:20:56,887 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:20:56,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:20:56,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:20:56,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:20:56,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:20:56,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:20:56,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:20:56,889 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 17:20:56,889 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:20:56,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:20:56,890 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:20:56,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:20:56,890 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:20:56,891 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:20:56,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:20:56,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:20:56,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:20:56,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:20:56,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:20:56,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:20:56,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:20:56,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:20:56,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:20:56,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4412f873965d7271481a31165cef4693811ec350 [2020-12-01 17:20:57,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:20:57,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:20:57,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:20:57,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:20:57,187 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:20:57,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2020-12-01 17:20:57,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/data/af67c70b0/b4231fdef831485b979bb5dd984c2490/FLAGa8f1f7081 [2020-12-01 17:20:57,796 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:20:57,796 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2020-12-01 17:20:57,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/data/af67c70b0/b4231fdef831485b979bb5dd984c2490/FLAGa8f1f7081 [2020-12-01 17:20:58,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/data/af67c70b0/b4231fdef831485b979bb5dd984c2490 [2020-12-01 17:20:58,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:20:58,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:20:58,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:58,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:20:58,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:20:58,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67339f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58, skipping insertion in model container [2020-12-01 17:20:58,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:20:58,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:20:58,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:58,570 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:20:58,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:58,689 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:20:58,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58 WrapperNode [2020-12-01 17:20:58,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:58,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:58,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:20:58,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:20:58,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:58,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:20:58,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:20:58,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:20:58,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... [2020-12-01 17:20:58,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:20:58,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:20:58,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:20:58,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:20:58,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/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 [2020-12-01 17:20:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:20:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:20:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:20:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:20:59,222 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:20:59,920 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-01 17:20:59,920 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-01 17:21:00,440 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:21:00,440 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:21:00,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:21:00 BoogieIcfgContainer [2020-12-01 17:21:00,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:21:00,444 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:21:00,444 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:21:00,456 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:21:00,456 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:21:00" (1/1) ... [2020-12-01 17:21:00,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:21:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions. [2020-12-01 17:21:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2020-12-01 17:21:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:21:00,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 96 states and 166 transitions. [2020-12-01 17:21:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2020-12-01 17:21:00,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:21:00,815 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2020-12-01 17:21:00,823 INFO L765 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2020-12-01 17:21:00,946 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,950 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,951 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,951 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,951 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,951 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,951 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,952 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,952 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,952 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,953 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,953 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,953 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,953 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,954 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,954 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,954 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,956 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,956 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,956 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,957 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:00,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:21:00 ImpRootNode [2020-12-01 17:21:00,958 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:21:00,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:21:00,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:21:00,964 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:21:00,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:21:00" (3/4) ... [2020-12-01 17:21:00,971 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:21:01,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2020-12-01 17:21:01,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:21:01,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:21:01,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:21:01,242 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7dfbd106-54eb-4068-bac7-9c9fadde89e1/bin/ukojak/witness.graphml [2020-12-01 17:21:01,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:21:01,245 INFO L168 Benchmark]: Toolchain (without parser) took 3135.26 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 64.0 MB in the beginning and 70.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:01,245 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:21:01,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.57 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 65.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:01,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.19 ms. Allocated memory is still 92.3 MB. Free memory was 65.4 MB in the beginning and 62.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:01,247 INFO L168 Benchmark]: Boogie Preprocessor took 83.38 ms. Allocated memory is still 92.3 MB. Free memory was 62.4 MB in the beginning and 60.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:01,248 INFO L168 Benchmark]: RCFGBuilder took 1553.98 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 60.2 MB in the beginning and 62.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:01,249 INFO L168 Benchmark]: CodeCheck took 513.93 ms. Allocated memory is still 125.8 MB. Free memory was 62.8 MB in the beginning and 80.5 MB in the end (delta: -17.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:21:01,249 INFO L168 Benchmark]: Witness Printer took 279.11 ms. Allocated memory is still 125.8 MB. Free memory was 80.3 MB in the beginning and 70.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:01,253 INFO L339 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, 112 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 569.57 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 65.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.19 ms. Allocated memory is still 92.3 MB. Free memory was 65.4 MB in the beginning and 62.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.38 ms. Allocated memory is still 92.3 MB. Free memory was 62.4 MB in the beginning and 60.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1553.98 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 60.2 MB in the beginning and 62.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * CodeCheck took 513.93 ms. Allocated memory is still 125.8 MB. Free memory was 62.8 MB in the beginning and 80.5 MB in the end (delta: -17.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 279.11 ms. Allocated memory is still 125.8 MB. Free memory was 80.3 MB in the beginning and 70.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...