./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/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 687269bb6882b72a3d48999f1e5c55a1d5283a94 ................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:16:53,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:16:53,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:16:53,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:16:53,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:16:53,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:16:53,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:16:53,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:16:53,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:16:53,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:16:53,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:16:53,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:16:53,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:16:53,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:16:53,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:16:53,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:16:53,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:16:53,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:16:53,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:16:53,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:16:53,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:16:53,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:16:53,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:16:53,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:16:53,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:16:53,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:16:54,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:16:54,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:16:54,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:16:54,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:16:54,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:16:54,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:16:54,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:16:54,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:16:54,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:16:54,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:16:54,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:16:54,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:16:54,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:16:54,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:16:54,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:16:54,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-19 23:16:54,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:16:54,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:16:54,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 23:16:54,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 23:16:54,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:16:54,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:16:54,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:16:54,045 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:16:54,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:16:54,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:16:54,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:16:54,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:16:54,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:16:54,047 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 23:16:54,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:16:54,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:16:54,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:16:54,049 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 23:16:54,049 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 23:16:54,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:16:54,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:16:54,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:16:54,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:16:54,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:16:54,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:16:54,051 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 23:16:54,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:16:54,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:16:54,051 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_c5628461-518c-421a-84ed-d4ba35ddbf2c/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 -> 687269bb6882b72a3d48999f1e5c55a1d5283a94 [2019-11-19 23:16:54,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:16:54,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:16:54,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:16:54,210 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:16:54,210 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:16:54,211 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2019-11-19 23:16:54,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/data/2ae2fb830/72b23096cf1d4022a77c227bc4bec5b2/FLAGa9190afb2 [2019-11-19 23:16:54,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:16:54,631 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2019-11-19 23:16:54,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/data/2ae2fb830/72b23096cf1d4022a77c227bc4bec5b2/FLAGa9190afb2 [2019-11-19 23:16:54,651 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/data/2ae2fb830/72b23096cf1d4022a77c227bc4bec5b2 [2019-11-19 23:16:54,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:16:54,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:16:54,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:16:54,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:16:54,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:16:54,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:54,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4684a275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54, skipping insertion in model container [2019-11-19 23:16:54,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:54,672 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:16:54,688 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:16:54,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:16:54,871 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:16:54,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:16:54,976 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:16:54,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54 WrapperNode [2019-11-19 23:16:54,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:16:54,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:16:54,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:16:54,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:16:54,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:54,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:55,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:16:55,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:16:55,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:16:55,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:16:55,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:55,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:55,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:55,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:55,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:55,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:55,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... [2019-11-19 23:16:55,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:16:55,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:16:55,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:16:55,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:16:55,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/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 [2019-11-19 23:16:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:16:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:16:55,305 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:16:55,305 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 23:16:55,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:16:55 BoogieIcfgContainer [2019-11-19 23:16:55,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:16:55,307 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 23:16:55,307 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 23:16:55,327 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 23:16:55,328 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:16:55" (1/1) ... [2019-11-19 23:16:55,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:16:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2019-11-19 23:16:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2019-11-19 23:16:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:16:55,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:55,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2019-11-19 23:16:55,572 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2019-11-19 23:16:55,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:16:55,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2019-11-19 23:16:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2019-11-19 23:16:55,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:16:55,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2019-11-19 23:16:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2019-11-19 23:16:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:16:55,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2019-11-19 23:16:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2019-11-19 23:16:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 23:16:55,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2019-11-19 23:16:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2019-11-19 23:16:56,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 23:16:56,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2019-11-19 23:16:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2019-11-19 23:16:56,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 23:16:56,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:56,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2019-11-19 23:16:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2019-11-19 23:16:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 23:16:56,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2019-11-19 23:16:56,352 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2019-11-19 23:16:56,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:16:56,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2019-11-19 23:16:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2019-11-19 23:16:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:16:56,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:16:56,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2019-11-19 23:16:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2019-11-19 23:16:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:16:56,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 23:16:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2019-11-19 23:16:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-11-19 23:16:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:16:56,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:16:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:16:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 23:16:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:16:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2019-11-19 23:16:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2019-11-19 23:16:56,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:16:56,764 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2019-11-19 23:16:56,775 INFO L765 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2019-11-19 23:16:56,943 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-19 23:16:56,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 11:16:56 ImpRootNode [2019-11-19 23:16:56,952 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 23:16:56,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:16:56,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:16:56,953 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:16:56,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:16:55" (3/4) ... [2019-11-19 23:16:56,955 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:16:56,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-19 23:16:56,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 23:16:56,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:16:57,009 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c5628461-518c-421a-84ed-d4ba35ddbf2c/bin/ukojak/witness.graphml [2019-11-19 23:16:57,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:16:57,011 INFO L168 Benchmark]: Toolchain (without parser) took 2355.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 944.7 MB in the beginning and 982.4 MB in the end (delta: -37.7 MB). Peak memory consumption was 134.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:16:57,012 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-19 23:16:57,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -222.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:16:57,013 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:16:57,013 INFO L168 Benchmark]: Boogie Preprocessor took 23.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:16:57,014 INFO L168 Benchmark]: RCFGBuilder took 271.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:16:57,014 INFO L168 Benchmark]: CodeCheck took 1645.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.9 MB in the end (delta: 153.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:16:57,015 INFO L168 Benchmark]: Witness Printer took 57.06 ms. Allocated memory is still 1.2 GB. Free memory was 988.9 MB in the beginning and 982.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:16:57,017 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, 24 locations, 8 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12288 SDtfs, 32688 SDslu, 23084 SDs, 0 SdLazy, 95840 SolverSat, 17676 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 762 GetRequests, 706 SyntacticMatches, 20 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 1310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 11/11 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 317.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -222.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 271.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * CodeCheck took 1645.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.9 MB in the end (delta: 153.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.06 ms. Allocated memory is still 1.2 GB. Free memory was 988.9 MB in the beginning and 982.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...