./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/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_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/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_3dd9a865-1c50-4021-868b-10e83abf0032/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 4006e5bbc9a234a3363872bc2e5100c7378eec16240b7c8c65c17af0dd119109 ................................................................................................................................................................................................................................. 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 04:04:11,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:04:11,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:04:11,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:04:11,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:04:11,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:04:11,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:04:11,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:04:11,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:04:11,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:04:11,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:04:11,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:04:11,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:04:11,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:04:11,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:04:11,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:04:11,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:04:11,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:04:11,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:04:11,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:04:11,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:04:11,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:04:11,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:04:11,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:04:11,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:04:11,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:04:11,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:04:11,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:04:11,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:04:11,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:04:11,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:04:11,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:04:11,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:04:11,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:04:11,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:04:11,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:04:11,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:04:11,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:04:11,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:04:11,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:04:11,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:04:11,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 04:04:11,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:04:11,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:04:11,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:04:11,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:04:11,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:04:11,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:04:11,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:04:11,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:04:11,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:04:11,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:04:11,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:04:11,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:04:11,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:04:11,988 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:04:11,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:04:11,989 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:04:11,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:04:11,990 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:04:11,990 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:04:11,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:04:11,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:04:11,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:04:11,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:04:11,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:04:11,992 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:04:11,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:04:11,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:04:11,994 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_3dd9a865-1c50-4021-868b-10e83abf0032/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4006e5bbc9a234a3363872bc2e5100c7378eec16240b7c8c65c17af0dd119109 [2021-10-29 04:04:12,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:04:12,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:04:12,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:04:12,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:04:12,277 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:04:12,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2021-10-29 04:04:12,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/data/53f9aa8c4/a5f5ff10671b4023b14c1affa37ad676/FLAGf2607978b [2021-10-29 04:04:12,821 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:04:12,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2021-10-29 04:04:12,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/data/53f9aa8c4/a5f5ff10671b4023b14c1affa37ad676/FLAGf2607978b [2021-10-29 04:04:13,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/data/53f9aa8c4/a5f5ff10671b4023b14c1affa37ad676 [2021-10-29 04:04:13,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:04:13,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:04:13,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:04:13,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:04:13,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:04:13,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443658be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13, skipping insertion in model container [2021-10-29 04:04:13,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:04:13,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:04:13,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:04:13,405 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:04:13,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:04:13,457 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:04:13,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13 WrapperNode [2021-10-29 04:04:13,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:04:13,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:04:13,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:04:13,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:04:13,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:04:13,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:04:13,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:04:13,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:04:13,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:04:13,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:04:13,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:04:13,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:04:13,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:04:13,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:04:13,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:04:13,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:04:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:04:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:04:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:04:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:04:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:04:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:04:13,926 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:04:13,926 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:04:13,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:04:13 BoogieIcfgContainer [2021-10-29 04:04:13,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:04:13,930 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:04:13,930 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:04:13,941 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:04:13,941 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:04:13" (1/1) ... [2021-10-29 04:04:13,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:04:13,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-10-29 04:04:13,986 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-10-29 04:04:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:04:13,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:13,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:14,183 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 04:04:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-10-29 04:04:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-10-29 04:04:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:04:14,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:14,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:14,344 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 04:04:14,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:14,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-29 04:04:14,447 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-29 04:04:14,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:04:14,448 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2021-10-29 04:04:14,455 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-29 04:04:14,478 INFO L565 CodeCheckObserver]: Invariant with dag size 9 [2021-10-29 04:04:14,489 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:04:14,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:04:14 ImpRootNode [2021-10-29 04:04:14,490 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:04:14,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:04:14,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:04:14,492 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:04:14,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:04:13" (3/4) ... [2021-10-29 04:04:14,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:04:14,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:04:14,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:04:14,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:04:14,546 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:04:14,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:04:14,549 INFO L168 Benchmark]: Toolchain (without parser) took 1305.93 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 50.9 MB in the beginning and 62.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:14,550 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 88.1 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 41.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:04:14,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.85 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 50.7 MB in the beginning and 94.2 MB in the end (delta: -43.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:14,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.29 ms. Allocated memory is still 115.3 MB. Free memory was 94.1 MB in the beginning and 92.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:04:14,552 INFO L168 Benchmark]: Boogie Preprocessor took 61.51 ms. Allocated memory is still 115.3 MB. Free memory was 92.7 MB in the beginning and 93.6 MB in the end (delta: -901.3 kB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:14,553 INFO L168 Benchmark]: RCFGBuilder took 358.54 ms. Allocated memory is still 115.3 MB. Free memory was 93.6 MB in the beginning and 83.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:14,554 INFO L168 Benchmark]: CodeCheck took 560.56 ms. Allocated memory is still 115.3 MB. Free memory was 83.8 MB in the beginning and 65.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:14,555 INFO L168 Benchmark]: Witness Printer took 55.68 ms. Allocated memory is still 115.3 MB. Free memory was 65.0 MB in the beginning and 62.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:14,560 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. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 54 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 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 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 0.18 ms. Allocated memory is still 88.1 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 41.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 214.85 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 50.7 MB in the beginning and 94.2 MB in the end (delta: -43.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.29 ms. Allocated memory is still 115.3 MB. Free memory was 94.1 MB in the beginning and 92.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.51 ms. Allocated memory is still 115.3 MB. Free memory was 92.7 MB in the beginning and 93.6 MB in the end (delta: -901.3 kB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 358.54 ms. Allocated memory is still 115.3 MB. Free memory was 93.6 MB in the beginning and 83.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 560.56 ms. Allocated memory is still 115.3 MB. Free memory was 83.8 MB in the beginning and 65.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Witness Printer took 55.68 ms. Allocated memory is still 115.3 MB. Free memory was 65.0 MB in the beginning and 62.9 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 04:04:14,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd9a865-1c50-4021-868b-10e83abf0032/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...