./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c -s /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/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 072df04afae5ae28487e0b8208c52f13961dea34 ........................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:57:25,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:57:25,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:57:25,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:57:25,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:57:25,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:57:25,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:57:25,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:57:25,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:57:25,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:57:25,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:57:25,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:57:25,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:57:25,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:57:25,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:57:25,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:57:25,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:57:25,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:57:25,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:57:25,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:57:25,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:57:25,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:57:25,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:57:25,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:57:25,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:57:25,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:57:25,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:57:25,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:57:25,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:57:25,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:57:25,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:57:25,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:57:25,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:57:25,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:57:25,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:57:25,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:57:25,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:57:25,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:57:25,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:57:25,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:57:25,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:57:25,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-29 21:57:25,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:57:25,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:57:25,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:57:25,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:57:25,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:57:25,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:57:25,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:57:25,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:57:25,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:57:25,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:57:25,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:57:25,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:57:25,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:57:25,515 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 21:57:25,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:57:25,516 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:57:25,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:57:25,517 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:57:25,517 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:57:25,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:57:25,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:57:25,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:57:25,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:57:25,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:57:25,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:57:25,521 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:57:25,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:57:25,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:57:25,522 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_10308729-b697-48d9-8136-df05466ac4c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 072df04afae5ae28487e0b8208c52f13961dea34 [2020-11-29 21:57:25,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:57:25,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:57:25,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:57:25,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:57:25,848 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:57:25,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2020-11-29 21:57:25,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/data/2ff7ae389/3f0cf29e92144294960dde45084bd113/FLAG1b6fd57fd [2020-11-29 21:57:26,469 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:57:26,470 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2020-11-29 21:57:26,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/data/2ff7ae389/3f0cf29e92144294960dde45084bd113/FLAG1b6fd57fd [2020-11-29 21:57:26,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/data/2ff7ae389/3f0cf29e92144294960dde45084bd113 [2020-11-29 21:57:26,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:57:26,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:57:26,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:57:26,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:57:26,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:57:26,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:57:26" (1/1) ... [2020-11-29 21:57:26,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9eda8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:26, skipping insertion in model container [2020-11-29 21:57:26,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:57:26" (1/1) ... [2020-11-29 21:57:26,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:57:26,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:57:27,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:57:27,154 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:57:27,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:57:27,245 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:57:27,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27 WrapperNode [2020-11-29 21:57:27,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:57:27,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:57:27,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:57:27,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:57:27,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:57:27,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:57:27,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:57:27,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:57:27,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:57:27,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:57:27,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:57:27,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:57:27,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:57:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/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 [2020-11-29 21:57:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 21:57:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:57:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:57:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 21:57:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:57:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:57:27,758 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:57:27,758 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 21:57:27,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:57:27 BoogieIcfgContainer [2020-11-29 21:57:27,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:57:27,762 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:57:27,762 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:57:27,783 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:57:27,783 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:57:27" (1/1) ... [2020-11-29 21:57:27,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:57:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:57:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2020-11-29 21:57:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-11-29 21:57:27,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 21:57:27,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:57:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:57:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:57:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:57:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-11-29 21:57:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-11-29 21:57:28,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 21:57:28,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:57:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:57:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:57:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:57:28,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-11-29 21:57:28,565 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-11-29 21:57:28,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:57:28,565 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2020-11-29 21:57:28,572 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-11-29 21:57:28,602 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 21:57:28,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:57:28,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:57:28,615 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:57:28,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:57:28 ImpRootNode [2020-11-29 21:57:28,616 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:57:28,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:57:28,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:57:28,617 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:57:28,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:57:27" (3/4) ... [2020-11-29 21:57:28,621 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:57:28,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-29 21:57:28,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-29 21:57:28,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:57:28,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_10308729-b697-48d9-8136-df05466ac4c9/bin/ukojak/witness.graphml [2020-11-29 21:57:28,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:57:28,710 INFO L168 Benchmark]: Toolchain (without parser) took 1884.76 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 64.5 MB in the beginning and 68.1 MB in the end (delta: -3.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:28,711 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:57:28,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.24 ms. Allocated memory is still 92.3 MB. Free memory was 64.3 MB in the beginning and 70.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:28,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.50 ms. Allocated memory is still 92.3 MB. Free memory was 70.6 MB in the beginning and 69.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:57:28,714 INFO L168 Benchmark]: Boogie Preprocessor took 48.01 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 68.2 MB in the end (delta: 977.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:28,714 INFO L168 Benchmark]: RCFGBuilder took 406.78 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 56.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:28,715 INFO L168 Benchmark]: CodeCheck took 854.19 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 56.2 MB in the beginning and 70.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:28,716 INFO L168 Benchmark]: Witness Printer took 90.95 ms. Allocated memory is still 119.5 MB. Free memory was 70.1 MB in the beginning and 68.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:28,726 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, 9 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 58 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant [2020-11-29 21:57:28,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:57:28,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[a][a + 8] <= 2147483647 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 422.24 ms. Allocated memory is still 92.3 MB. Free memory was 64.3 MB in the beginning and 70.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.50 ms. Allocated memory is still 92.3 MB. Free memory was 70.6 MB in the beginning and 69.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.01 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 68.2 MB in the end (delta: 977.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 406.78 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 56.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 854.19 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 56.2 MB in the beginning and 70.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Witness Printer took 90.95 ms. Allocated memory is still 119.5 MB. Free memory was 70.1 MB in the beginning and 68.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...