./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.09_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/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_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.09_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/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_916e8664-77af-45b4-b745-13f6da2b404b/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 de9e6a194e0438bd2ca90d674a89a0fc54a4d9f9ed579627c7693dfb10f66ae0 --- 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 18:33:43,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:33:43,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:33:43,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:33:43,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:33:43,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:33:43,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:33:43,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:33:43,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:33:43,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:33:43,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:33:43,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:33:43,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:33:43,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:33:43,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:33:43,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:33:43,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:33:43,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:33:43,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:33:43,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:33:43,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:33:43,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:33:43,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:33:43,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:33:43,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:33:43,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:33:43,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:33:43,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:33:43,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:33:43,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:33:43,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:33:43,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:33:43,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:33:43,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:33:43,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:33:43,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:33:43,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:33:43,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:33:43,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:33:43,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:33:43,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:33:43,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:33:43,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:33:43,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:33:43,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:33:43,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:33:43,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:33:43,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:33:43,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:33:43,207 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:33:43,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:33:43,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:33:43,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:33:43,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:33:43,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:33:43,208 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:33:43,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:33:43,208 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:33:43,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:33:43,208 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:33:43,208 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:33:43,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:33:43,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:33:43,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:33:43,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:33:43,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:33:43,209 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:33:43,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:33:43,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:33:43,210 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_916e8664-77af-45b4-b745-13f6da2b404b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de9e6a194e0438bd2ca90d674a89a0fc54a4d9f9ed579627c7693dfb10f66ae0 [2022-12-14 18:33:43,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:33:43,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:33:43,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:33:43,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:33:43,415 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:33:43,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/a.09_assume.c [2022-12-14 18:33:46,101 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:33:46,210 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:33:46,210 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/sv-benchmarks/c/termination-restricted-15/a.09_assume.c [2022-12-14 18:33:46,214 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/data/f67b44247/956125d208a34dbdaac9be5174c9796f/FLAG0600c36af [2022-12-14 18:33:46,226 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/data/f67b44247/956125d208a34dbdaac9be5174c9796f [2022-12-14 18:33:46,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:33:46,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:33:46,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:33:46,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:33:46,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:33:46,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18340adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46, skipping insertion in model container [2022-12-14 18:33:46,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:33:46,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:33:46,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:33:46,357 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:33:46,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:33:46,377 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:33:46,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46 WrapperNode [2022-12-14 18:33:46,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:33:46,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:33:46,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:33:46,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:33:46,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,400 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-12-14 18:33:46,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:33:46,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:33:46,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:33:46,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:33:46,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:33:46,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:33:46,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:33:46,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:33:46,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:33:46,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:33:46,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:33:46,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:33:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:33:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:33:46,554 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:33:46,556 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:33:46,628 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:33:46,641 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:33:46,641 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:33:46,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:33:46 BoogieIcfgContainer [2022-12-14 18:33:46,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:33:46,645 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:33:46,645 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:33:46,653 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:33:46,653 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:33:46" (1/1) ... [2022-12-14 18:33:46,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:33:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-12-14 18:33:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-14 18:33:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:33:46,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:33:46,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:33:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:33:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:33:46,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:46,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-12-14 18:33:46,847 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-14 18:33:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:33:46,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:33:46,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:33:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:33:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:33:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-12-14 18:33:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-12-14 18:33:46,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:33:46,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:33:46,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:33:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:33:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:33:47,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-12-14 18:33:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-14 18:33:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:33:47,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:33:47,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:33:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:33:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:33:47,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-14 18:33:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-14 18:33:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:33:47,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:33:47,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:33:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:33:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:33:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-12-14 18:33:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-12-14 18:33:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:33:47,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:33:47,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:33:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:33:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:33:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-12-14 18:33:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-12-14 18:33:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:33:47,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:33:47,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:33:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:33:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:33:48,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2022-12-14 18:33:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2022-12-14 18:33:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:33:48,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:33:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:33:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:33:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 18:33:48,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-14 18:33:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-14 18:33:48,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:33:48,762 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 18:33:48,769 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 18:33:48,839 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-14 18:33:48,849 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:33:48,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:33:48 ImpRootNode [2022-12-14 18:33:48,850 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:33:48,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:33:48,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:33:48,851 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:33:48,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:33:46" (3/4) ... [2022-12-14 18:33:48,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:33:48,864 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 18:33:48,864 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 18:33:48,864 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 18:33:48,897 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:33:48,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:33:48,898 INFO L158 Benchmark]: Toolchain (without parser) took 2667.89ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 97.4MB in the beginning and 102.3MB in the end (delta: -4.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-12-14 18:33:48,898 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:33:48,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.41ms. Allocated memory is still 132.1MB. Free memory was 97.0MB in the beginning and 87.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 18:33:48,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.00ms. Allocated memory is still 132.1MB. Free memory was 87.8MB in the beginning and 86.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:33:48,899 INFO L158 Benchmark]: Boogie Preprocessor took 14.96ms. Allocated memory is still 132.1MB. Free memory was 86.5MB in the beginning and 85.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:33:48,900 INFO L158 Benchmark]: RCFGBuilder took 227.33ms. Allocated memory is still 132.1MB. Free memory was 85.3MB in the beginning and 76.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:33:48,900 INFO L158 Benchmark]: CodeCheck took 2205.31ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 76.0MB in the beginning and 105.3MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:33:48,901 INFO L158 Benchmark]: Witness Printer took 46.43ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:33:48,903 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 599 IncrementalHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 46 mSDtfsCounter, 599 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 491 SyntacticMatches, 7 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3488 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 16/22 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: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: 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: 10]: Loop Invariant Derived loop invariant: (0 <= y + z + 2147483646 && y <= 2147483647) || (0 <= z + 2147483648 && y <= 2147483647) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.41ms. Allocated memory is still 132.1MB. Free memory was 97.0MB in the beginning and 87.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.00ms. Allocated memory is still 132.1MB. Free memory was 87.8MB in the beginning and 86.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.96ms. Allocated memory is still 132.1MB. Free memory was 86.5MB in the beginning and 85.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 227.33ms. Allocated memory is still 132.1MB. Free memory was 85.3MB in the beginning and 76.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2205.31ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 76.0MB in the beginning and 105.3MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.43ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 102.3MB 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 18:33:48,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916e8664-77af-45b4-b745-13f6da2b404b/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