./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4 --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 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:58:56,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:58:56,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:58:56,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:58:56,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:58:56,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:58:56,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:58:56,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:58:56,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:58:56,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:58:56,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:58:56,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:58:56,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:58:56,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:58:56,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:58:56,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:58:56,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:58:56,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:58:56,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:58:56,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:58:56,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:58:56,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:58:56,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:58:56,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:58:56,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:58:56,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:58:56,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:58:56,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:58:56,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:58:56,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:58:56,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:58:56,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:58:56,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:58:56,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:58:56,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:58:56,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:58:56,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:58:56,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:58:56,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:58:56,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:58:56,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:58:56,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:58:56,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:58:56,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:58:56,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:58:56,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:58:56,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:58:56,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:58:56,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:58:56,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:58:56,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:58:56,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:58:56,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:58:56,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:58:56,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:58:56,269 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:58:56,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:58:56,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:58:56,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:58:56,270 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:58:56,270 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:58:56,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:58:56,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:58:56,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:58:56,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:58:56,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:58:56,271 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:58:56,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:58:56,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:58:56,271 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_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2022-12-14 23:58:56,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:58:56,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:58:56,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:58:56,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:58:56,468 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:58:56,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2022-12-14 23:58:59,032 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:58:59,179 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:58:59,180 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2022-12-14 23:58:59,184 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/data/7a110616a/cca9f957ff03489fb79f1ebef684267e/FLAGaef27166a [2022-12-14 23:58:59,604 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/data/7a110616a/cca9f957ff03489fb79f1ebef684267e [2022-12-14 23:58:59,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:58:59,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:58:59,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:58:59,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:58:59,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:58:59,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c22eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59, skipping insertion in model container [2022-12-14 23:58:59,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:58:59,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:58:59,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:58:59,731 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:58:59,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:58:59,747 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:58:59,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59 WrapperNode [2022-12-14 23:58:59,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:58:59,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:58:59,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:58:59,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:58:59,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,767 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2022-12-14 23:58:59,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:58:59,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:58:59,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:58:59,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:58:59,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:58:59,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:58:59,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:58:59,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:58:59,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:58:59,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:58:59,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:58:59,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:58:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:58:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:58:59,893 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:58:59,895 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:58:59,930 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:58:59,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:58:59,942 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:58:59,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:59 BoogieIcfgContainer [2022-12-14 23:58:59,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:58:59,946 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:58:59,946 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:58:59,952 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:58:59,953 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:59" (1/1) ... [2022-12-14 23:58:59,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:58:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2022-12-14 23:59:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2022-12-14 23:59:00,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:59:00,004 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2022-12-14 23:59:00,008 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2022-12-14 23:59:00,017 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:59:00,020 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:59:00,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:59:00 ImpRootNode [2022-12-14 23:59:00,021 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:59:00,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:59:00,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:59:00,021 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:59:00,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:59" (3/4) ... [2022-12-14 23:59:00,024 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:59:00,029 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 23:59:00,029 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 23:59:00,029 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 23:59:00,049 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:59:00,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:59:00,050 INFO L158 Benchmark]: Toolchain (without parser) took 442.63ms. Allocated memory is still 136.3MB. Free memory was 102.3MB in the beginning and 75.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 23:59:00,050 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:59:00,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 140.36ms. Allocated memory is still 136.3MB. Free memory was 101.8MB in the beginning and 92.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 23:59:00,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.88ms. Allocated memory is still 136.3MB. Free memory was 92.9MB in the beginning and 91.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:59:00,051 INFO L158 Benchmark]: Boogie Preprocessor took 11.31ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 90.8MB in the end (delta: 956.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:59:00,052 INFO L158 Benchmark]: RCFGBuilder took 165.73ms. Allocated memory is still 136.3MB. Free memory was 90.8MB in the beginning and 82.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 23:59:00,052 INFO L158 Benchmark]: CodeCheck took 75.11ms. Allocated memory is still 136.3MB. Free memory was 82.2MB in the beginning and 77.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 23:59:00,053 INFO L158 Benchmark]: Witness Printer took 27.81ms. Allocated memory is still 136.3MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:59:00,055 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, 5 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 140.36ms. Allocated memory is still 136.3MB. Free memory was 101.8MB in the beginning and 92.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.88ms. Allocated memory is still 136.3MB. Free memory was 92.9MB in the beginning and 91.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.31ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 90.8MB in the end (delta: 956.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 165.73ms. Allocated memory is still 136.3MB. Free memory was 90.8MB in the beginning and 82.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 75.11ms. Allocated memory is still 136.3MB. Free memory was 82.2MB in the beginning and 77.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 27.81ms. Allocated memory is still 136.3MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:59:00,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2873e3-8f1e-420f-a879-d83ddcf64378/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE