./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB --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 dea5ef24f0f7de819f347b3388a482de77217d2927aeb32fc1f275b172d84ce8 --- 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-dbf71c6-m [2022-10-17 16:41:09,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:09,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:09,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:09,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:09,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:09,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:09,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:09,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:09,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:09,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:09,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:09,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:09,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:09,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:09,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:09,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:09,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:09,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:09,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:09,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:09,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:09,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:09,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:09,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:09,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:09,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:09,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:09,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:09,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:09,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:09,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:09,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:09,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:09,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:09,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:09,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:09,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:09,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:09,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:09,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:09,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:41:09,648 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:09,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:09,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:09,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:09,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:09,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:09,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:09,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:41:09,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:09,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:09,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:09,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:09,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:09,655 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:41:09,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:09,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:09,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:09,656 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:09,656 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:09,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:09,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:09,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:09,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:09,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:09,658 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:09,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:09,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:09,660 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_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dea5ef24f0f7de819f347b3388a482de77217d2927aeb32fc1f275b172d84ce8 [2022-10-17 16:41:09,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:10,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:10,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:10,014 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:10,014 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:10,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted/Cairo.c [2022-10-17 16:41:10,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/data/758f31381/b7b5d353db5e4a0b90e5c3e06e38350c/FLAGbf52880e7 [2022-10-17 16:41:10,625 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:10,626 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/sv-benchmarks/c/termination-crafted/Cairo.c [2022-10-17 16:41:10,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/data/758f31381/b7b5d353db5e4a0b90e5c3e06e38350c/FLAGbf52880e7 [2022-10-17 16:41:11,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/data/758f31381/b7b5d353db5e4a0b90e5c3e06e38350c [2022-10-17 16:41:11,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:11,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:11,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:11,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:11,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:11,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc0be39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11, skipping insertion in model container [2022-10-17 16:41:11,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:11,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:11,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:11,288 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:11,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:11,314 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:11,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11 WrapperNode [2022-10-17 16:41:11,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:11,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:11,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:11,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:11,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,347 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-10-17 16:41:11,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:11,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:11,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:11,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:11,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:11,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:11,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:11,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:11,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:11,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:11,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:11,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:11,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:11,524 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:11,526 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:11,603 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:11,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:11,623 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:41:11,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:11 BoogieIcfgContainer [2022-10-17 16:41:11,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:11,631 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:11,631 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:11,639 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:11,639 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:11" (1/1) ... [2022-10-17 16:41:11,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-10-17 16:41:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-10-17 16:41:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:41:11,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:11,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:12,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-10-17 16:41:12,016 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-10-17 16:41:12,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:41:12,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:12,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-10-17 16:41:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-10-17 16:41:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:41:12,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:12,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-10-17 16:41:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-10-17 16:41:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:41:12,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:12,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-10-17 16:41:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-10-17 16:41:12,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:41:12,424 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-10-17 16:41:12,433 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-10-17 16:41:12,472 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 16:41:12,488 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:12,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:41:12 ImpRootNode [2022-10-17 16:41:12,489 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:41:12,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:41:12,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:41:12,491 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:41:12,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:11" (3/4) ... [2022-10-17 16:41:12,495 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:41:12,504 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-10-17 16:41:12,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:41:12,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:41:12,541 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:41:12,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:41:12,542 INFO L158 Benchmark]: Toolchain (without parser) took 1518.75ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.3MB in the beginning and 45.7MB in the end (delta: 6.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-10-17 16:41:12,542 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 90.2MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:41:12,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.23ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 86.5MB in the end (delta: -34.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:41:12,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.13ms. Allocated memory is still 109.1MB. 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. [2022-10-17 16:41:12,544 INFO L158 Benchmark]: Boogie Preprocessor took 19.69ms. Allocated memory is still 109.1MB. Free memory was 85.3MB in the beginning and 84.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:12,544 INFO L158 Benchmark]: RCFGBuilder took 260.17ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 75.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:41:12,545 INFO L158 Benchmark]: CodeCheck took 858.04ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 47.9MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-10-17 16:41:12,546 INFO L158 Benchmark]: Witness Printer took 50.39ms. Allocated memory is still 109.1MB. Free memory was 47.6MB in the beginning and 45.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:12,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 0 mSDtfsCounter, 142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/5 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (0 <= x && !(1 <= x)) || (x <= 2147483647 && 1 <= x) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 90.2MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.23ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 86.5MB in the end (delta: -34.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.13ms. Allocated memory is still 109.1MB. 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. * Boogie Preprocessor took 19.69ms. Allocated memory is still 109.1MB. Free memory was 85.3MB in the beginning and 84.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 260.17ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 75.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 858.04ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 47.9MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 50.39ms. Allocated memory is still 109.1MB. Free memory was 47.6MB in the beginning and 45.7MB 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! [2022-10-17 16:41:12,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_492087af-8bdd-4492-b19f-ddc078a33c3b/bin/ukojak-92XMlrwhuB/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