./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaA7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaA7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ --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 12acbe9ea8673d172d0754076b27f11ca837d3f87addae08ec9850ce1a7774b9 --- 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-6b4ec56 [2022-11-20 17:59:53,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:59:53,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:59:53,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:59:53,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:59:53,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:59:53,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:59:53,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:59:53,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:59:53,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:59:53,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:59:53,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:59:53,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:59:53,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:59:53,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:59:53,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:59:53,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:59:53,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:59:53,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:59:53,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:59:53,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:59:53,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:59:53,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:59:53,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:59:53,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:59:53,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:59:53,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:59:53,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:59:53,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:59:53,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:59:53,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:59:53,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:59:53,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:59:53,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:59:53,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:59:53,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:59:53,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:59:53,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:59:53,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:59:53,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:59:53,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:59:53,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:59:53,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:59:53,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:59:53,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:59:53,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:59:53,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:59:53,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:59:53,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:59:53,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:59:53,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:59:53,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:59:53,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:59:53,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:59:53,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:59:53,484 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:59:53,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:59:53,485 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:59:53,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:59:53,485 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:59:53,485 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:59:53,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:59:53,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:59:53,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:59:53,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:59:53,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:59:53,487 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:59:53,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:59:53,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:59:53,488 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_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12acbe9ea8673d172d0754076b27f11ca837d3f87addae08ec9850ce1a7774b9 [2022-11-20 17:59:53,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:59:53,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:59:53,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:59:53,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:59:53,865 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:59:53,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-restricted-15/PastaA7.c [2022-11-20 17:59:56,891 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:59:57,131 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:59:57,131 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/sv-benchmarks/c/termination-restricted-15/PastaA7.c [2022-11-20 17:59:57,139 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/data/9757818ff/3450aff4813646349f2fdcd0261971ab/FLAG2de7dc8f7 [2022-11-20 17:59:57,153 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/data/9757818ff/3450aff4813646349f2fdcd0261971ab [2022-11-20 17:59:57,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:59:57,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:59:57,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:59:57,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:59:57,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:59:57,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536b2f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57, skipping insertion in model container [2022-11-20 17:59:57,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:59:57,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:59:57,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:59:57,331 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:59:57,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:59:57,353 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:59:57,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57 WrapperNode [2022-11-20 17:59:57,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:59:57,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:59:57,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:59:57,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:59:57,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,386 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-11-20 17:59:57,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:59:57,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:59:57,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:59:57,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:59:57,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,413 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:59:57,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:59:57,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:59:57,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:59:57,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:59:57,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:59:57,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:59:57,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:59:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:59:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:59:57,592 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:59:57,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:59:57,723 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:59:57,759 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:59:57,762 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:59:57,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:57 BoogieIcfgContainer [2022-11-20 17:59:57,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:59:57,767 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:59:57,767 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:59:57,778 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:59:57,778 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:57" (1/1) ... [2022-11-20 17:59:57,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:59:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 17:59:57,869 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 17:59:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:59:57,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:57,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-11-20 17:59:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-20 17:59:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:59:58,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:58,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:58,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:58,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-11-20 17:59:58,439 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-11-20 17:59:58,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:59:58,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:58,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:58,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-11-20 17:59:58,781 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-11-20 17:59:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:59:58,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:59,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-11-20 17:59:59,371 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-11-20 17:59:59,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:59:59,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:59,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:59:59,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:59,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-11-20 17:59:59,900 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-11-20 17:59:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:59:59,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:59,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-20 18:00:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-20 18:00:00,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:00:00,265 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-20 18:00:00,273 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 18:00:00,326 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 18:00:00,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:00:00 ImpRootNode [2022-11-20 18:00:00,338 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:00:00,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:00:00,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:00:00,340 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:00:00,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:57" (3/4) ... [2022-11-20 18:00:00,344 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:00:00,359 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 18:00:00,359 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 18:00:00,359 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 18:00:00,413 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:00:00,414 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:00:00,414 INFO L158 Benchmark]: Toolchain (without parser) took 3257.02ms. Allocated memory is still 159.4MB. Free memory was 127.8MB in the beginning and 69.8MB in the end (delta: 58.0MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2022-11-20 18:00:00,415 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 113.2MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:00,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.34ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 118.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 18:00:00,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.11ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:00,417 INFO L158 Benchmark]: Boogie Preprocessor took 23.56ms. Allocated memory is still 159.4MB. Free memory was 116.5MB in the beginning and 115.7MB in the end (delta: 819.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:00,417 INFO L158 Benchmark]: RCFGBuilder took 349.28ms. Allocated memory is still 159.4MB. Free memory was 115.7MB in the beginning and 105.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:00:00,418 INFO L158 Benchmark]: CodeCheck took 2571.99ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 71.7MB in the end (delta: 33.5MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-20 18:00:00,419 INFO L158 Benchmark]: Witness Printer took 74.58ms. Allocated memory is still 159.4MB. Free memory was 71.7MB in the beginning and 69.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:00,424 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 340 IncrementalHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 0 mSDtfsCounter, 340 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 238 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1649 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4/5 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 - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: 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: 13]: Loop Invariant Derived loop invariant: (0 <= z + 2147483648 && x <= 2147483647) && 0 <= y + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 113.2MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.34ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 118.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.11ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.56ms. Allocated memory is still 159.4MB. Free memory was 116.5MB in the beginning and 115.7MB in the end (delta: 819.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.28ms. Allocated memory is still 159.4MB. Free memory was 115.7MB in the beginning and 105.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2571.99ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 71.7MB in the end (delta: 33.5MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 74.58ms. Allocated memory is still 159.4MB. Free memory was 71.7MB in the beginning and 69.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:00:00,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde344e-145e-4b1e-9cb7-f8bda8227a6a/bin/ukojak-pZX7IvK2PQ/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