./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI --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 f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:25:52,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:25:52,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:25:52,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:25:52,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:25:52,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:25:52,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:25:52,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:25:52,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:25:52,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:25:52,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:25:52,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:25:52,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:25:52,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:25:52,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:25:52,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:25:52,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:25:52,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:25:52,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:25:52,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:25:52,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:25:52,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:25:52,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:25:52,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:25:52,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:25:52,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:25:52,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:25:52,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:25:52,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:25:52,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:25:52,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:25:52,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:25:52,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:25:52,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:25:52,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:25:52,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:25:52,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:25:52,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:25:52,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:25:52,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:25:52,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:25:52,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 03:25:52,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:25:52,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:25:52,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:25:52,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:25:52,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:25:52,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:25:52,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:25:52,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:25:52,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:25:52,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:25:52,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:25:52,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:25:52,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:25:52,546 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:25:52,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:25:52,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:25:52,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:25:52,547 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:25:52,547 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:25:52,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:25:52,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:25:52,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:25:52,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:25:52,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:25:52,548 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:25:52,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:25:52,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:25:52,549 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_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 [2021-10-29 03:25:52,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:25:52,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:25:52,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:25:52,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:25:52,825 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:25:52,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-10-29 03:25:52,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/data/b4debff79/a4c7495e0f2d48c3a6681c0847d9914f/FLAGf3e7db81d [2021-10-29 03:25:53,422 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:25:53,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-10-29 03:25:53,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/data/b4debff79/a4c7495e0f2d48c3a6681c0847d9914f/FLAGf3e7db81d [2021-10-29 03:25:53,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/data/b4debff79/a4c7495e0f2d48c3a6681c0847d9914f [2021-10-29 03:25:53,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:25:53,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:25:53,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:25:53,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:25:53,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:25:53,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:53,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33edbdf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53, skipping insertion in model container [2021-10-29 03:25:53,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:53,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:25:53,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:25:53,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:25:53,928 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:25:53,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:25:53,952 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:25:53,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53 WrapperNode [2021-10-29 03:25:53,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:25:53,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:25:53,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:25:53,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:25:53,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:53,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:53,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:25:53,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:25:53,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:25:53,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:25:53,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:53,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:53,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:53,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:53,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:54,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:54,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:54,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:25:54,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:25:54,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:25:54,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:25:54,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:53" (1/1) ... [2021-10-29 03:25:54,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:25:54,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:25:54,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:25:54,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:25:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:25:54,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:25:54,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:25:54,312 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 03:25:54,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:25:54 BoogieIcfgContainer [2021-10-29 03:25:54,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:25:54,316 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:25:54,316 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:25:54,340 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:25:54,340 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:25:54" (1/1) ... [2021-10-29 03:25:54,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:25:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-10-29 03:25:54,429 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-29 03:25:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:25:54,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:54,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:25:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-10-29 03:25:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-10-29 03:25:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:25:54,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:54,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:25:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2021-10-29 03:25:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2021-10-29 03:25:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:25:54,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:54,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:25:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-10-29 03:25:55,093 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-10-29 03:25:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:25:55,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:55,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:25:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-10-29 03:25:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-10-29 03:25:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:25:55,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:55,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:25:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-10-29 03:25:55,449 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-10-29 03:25:55,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:25:55,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:55,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:55,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:25:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-10-29 03:25:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-10-29 03:25:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:25:55,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:55,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 03:25:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-10-29 03:25:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-10-29 03:25:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:25:56,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:56,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:25:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:25:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:25:56,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:25:56,824 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-10-29 03:25:56,830 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-29 03:25:56,896 INFO L565 CodeCheckObserver]: Invariant with dag size 16 [2021-10-29 03:25:56,907 INFO L565 CodeCheckObserver]: Invariant with dag size 5 [2021-10-29 03:25:56,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:25:56 ImpRootNode [2021-10-29 03:25:56,908 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:25:56,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:25:56,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:25:56,909 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:25:56,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:25:54" (3/4) ... [2021-10-29 03:25:56,912 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:25:56,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:25:56,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:25:56,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:25:56,960 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:25:56,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:25:56,962 INFO L168 Benchmark]: Toolchain (without parser) took 3187.87 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 65.8 MB in the beginning and 75.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:25:56,962 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 61.8 MB in the end (delta: 46.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:25:56,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.77 ms. Allocated memory is still 92.3 MB. Free memory was 65.6 MB in the beginning and 57.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:25:56,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.76 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 55.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:25:56,964 INFO L168 Benchmark]: Boogie Preprocessor took 18.75 ms. Allocated memory is still 92.3 MB. Free memory was 55.9 MB in the beginning and 55.0 MB in the end (delta: 935.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:25:56,965 INFO L168 Benchmark]: RCFGBuilder took 311.81 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 46.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:25:56,966 INFO L168 Benchmark]: CodeCheck took 2591.63 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 46.1 MB in the beginning and 77.5 MB in the end (delta: -31.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:25:56,967 INFO L168 Benchmark]: Witness Printer took 51.82 ms. Allocated memory is still 119.5 MB. Free memory was 77.5 MB in the beginning and 75.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:25:56,970 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 512 SDtfs, 1044 SDslu, 0 SDs, 0 SdLazy, 5610 SolverSat, 1278 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 472 GetRequests, 388 SyntacticMatches, 8 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2588 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 12/13 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((j <= 0 && i <= 4) && 0 <= i + 2147483648) && 0 <= j) || ((2 < i && 0 < j) && i <= 4) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 61.8 MB in the end (delta: 46.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 178.77 ms. Allocated memory is still 92.3 MB. Free memory was 65.6 MB in the beginning and 57.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.76 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 55.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.75 ms. Allocated memory is still 92.3 MB. Free memory was 55.9 MB in the beginning and 55.0 MB in the end (delta: 935.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 311.81 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 46.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 2591.63 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 46.1 MB in the beginning and 77.5 MB in the end (delta: -31.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 51.82 ms. Allocated memory is still 119.5 MB. Free memory was 77.5 MB in the beginning and 75.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:25:57,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cde2ca-126d-4090-826c-e7627d6bd079/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...