./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/c.01_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/c.01_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg --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 f716f85b4674adf32c5382ff55713973e95460ac3d0ffe3bfad3cafce9960ed4 --- 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-b5237d8 [2022-11-21 23:44:29,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:44:29,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:44:29,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:44:29,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:44:29,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:44:29,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:44:29,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:44:29,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:44:29,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:44:29,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:44:29,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:44:29,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:44:29,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:44:29,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:44:29,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:44:29,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:44:29,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:44:29,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:44:29,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:44:29,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:44:29,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:44:29,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:44:29,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:44:29,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:44:29,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:44:29,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:44:29,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:44:29,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:44:29,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:44:29,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:44:29,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:44:29,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:44:29,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:44:29,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:44:29,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:44:29,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:44:29,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:44:29,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:44:29,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:44:29,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:44:29,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:44:29,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:44:29,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:44:29,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:44:29,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:44:29,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:44:29,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:44:29,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:44:29,433 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:44:29,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:44:29,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:44:29,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:44:29,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:44:29,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:44:29,435 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:44:29,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:44:29,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:44:29,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:44:29,436 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:44:29,436 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:44:29,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:44:29,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:44:29,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:44:29,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:44:29,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:44:29,438 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:44:29,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:44:29,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:44:29,438 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_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f716f85b4674adf32c5382ff55713973e95460ac3d0ffe3bfad3cafce9960ed4 [2022-11-21 23:44:29,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:44:29,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:44:29,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:44:29,762 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:44:29,762 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:44:29,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-restricted-15/c.01_assume.c [2022-11-21 23:44:33,035 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:44:33,253 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:44:33,253 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/sv-benchmarks/c/termination-restricted-15/c.01_assume.c [2022-11-21 23:44:33,258 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/data/abff504de/fed44d36d9e047068dc4c5f8dd1397fc/FLAGcca528aa7 [2022-11-21 23:44:33,288 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/data/abff504de/fed44d36d9e047068dc4c5f8dd1397fc [2022-11-21 23:44:33,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:44:33,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:44:33,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:44:33,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:44:33,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:44:33,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1183a0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33, skipping insertion in model container [2022-11-21 23:44:33,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:44:33,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:44:33,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:44:33,488 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:44:33,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:44:33,516 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:44:33,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33 WrapperNode [2022-11-21 23:44:33,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:44:33,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:44:33,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:44:33,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:44:33,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,549 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-11-21 23:44:33,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:44:33,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:44:33,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:44:33,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:44:33,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:44:33,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:44:33,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:44:33,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:44:33,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:44:33,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:44:33,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:44:33,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:44:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:44:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:44:33,751 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:44:33,753 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:44:33,901 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:44:33,951 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:44:33,952 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:44:33,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:44:33 BoogieIcfgContainer [2022-11-21 23:44:33,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:44:33,958 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:44:33,958 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:44:33,969 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:44:33,969 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:44:33" (1/1) ... [2022-11-21 23:44:33,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:44:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-21 23:44:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-21 23:44:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:44:34,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:34,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:44:34,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:34,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-11-21 23:44:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-21 23:44:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:44:34,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:34,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:44:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2022-11-21 23:44:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2022-11-21 23:44:34,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:44:34,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:34,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:44:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2022-11-21 23:44:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2022-11-21 23:44:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:44:34,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:34,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:44:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-11-21 23:44:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-11-21 23:44:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:44:34,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:35,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:44:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:35,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-11-21 23:44:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-11-21 23:44:35,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:44:35,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:35,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:44:35,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-11-21 23:44:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-11-21 23:44:35,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:44:35,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:35,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:44:35,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-11-21 23:44:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-11-21 23:44:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:44:35,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:44:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-11-21 23:44:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-11-21 23:44:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:44:35,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:35,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:35,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:44:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:35,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-21 23:44:35,951 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-21 23:44:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:44:35,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:44:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:44:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:44:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:44:36,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-11-21 23:44:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-21 23:44:36,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:44:36,112 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-11-21 23:44:36,120 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:44:36,179 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:44:36,189 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-11-21 23:44:36,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:44:36 ImpRootNode [2022-11-21 23:44:36,191 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:44:36,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:44:36,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:44:36,194 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:44:36,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:44:33" (3/4) ... [2022-11-21 23:44:36,199 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:44:36,214 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:44:36,214 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:44:36,214 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 23:44:36,267 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:44:36,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:44:36,270 INFO L158 Benchmark]: Toolchain (without parser) took 2976.32ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 81.8MB in the beginning and 106.4MB in the end (delta: -24.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-11-21 23:44:36,270 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 125.8MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:44:36,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.71ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 72.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 23:44:36,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.28ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 71.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:44:36,277 INFO L158 Benchmark]: Boogie Preprocessor took 27.84ms. Allocated memory is still 125.8MB. Free memory was 71.3MB in the beginning and 70.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:44:36,277 INFO L158 Benchmark]: RCFGBuilder took 375.43ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 70.1MB in the beginning and 127.4MB in the end (delta: -57.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-21 23:44:36,278 INFO L158 Benchmark]: CodeCheck took 2233.59ms. Allocated memory is still 157.3MB. Free memory was 127.3MB in the beginning and 109.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-11-21 23:44:36,278 INFO L158 Benchmark]: Witness Printer took 74.91ms. Allocated memory is still 157.3MB. Free memory was 109.5MB in the beginning and 106.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:44:36,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 241 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 786 IncrementalHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 20 mSDtfsCounter, 786 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 582 GetRequests, 523 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1248 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 17/17 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: 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: 14]: 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: 9]: Loop Invariant Derived loop invariant: x <= 2147483647 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (0 <= x && 1 <= y) && x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 125.8MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.71ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 72.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.28ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 71.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.84ms. Allocated memory is still 125.8MB. Free memory was 71.3MB in the beginning and 70.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.43ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 70.1MB in the beginning and 127.4MB in the end (delta: -57.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * CodeCheck took 2233.59ms. Allocated memory is still 157.3MB. Free memory was 127.3MB in the beginning and 109.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 74.91ms. Allocated memory is still 157.3MB. Free memory was 109.5MB in the beginning and 106.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:44:36,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb36289d-2213-41ae-9fea-e8dfdeecfe07/bin/ukojak-jW3SillKbg/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