./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2n_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/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_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/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 32bit --witnessprinter.graph.data.programhash b594cdd667b896d6ce097f6fd96950290806f015d929f3b2b06ffea35d861f89 --- 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 18:00:27,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:00:27,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:00:27,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:00:27,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:00:27,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:00:27,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:00:27,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:00:27,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:00:27,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:00:27,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:00:27,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:00:27,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:00:27,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:00:27,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:00:27,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:00:27,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:00:27,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:00:27,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:00:27,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:00:27,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:00:27,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:00:27,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:00:27,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:00:27,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:00:27,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:00:27,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:00:27,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:00:27,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:00:27,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:00:27,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:00:27,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:00:27,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:00:27,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:00:27,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:00:27,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:00:27,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:00:27,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:00:27,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:00:27,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:00:27,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:00:27,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:00:27,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:00:27,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:00:27,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:00:27,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:00:27,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:00:27,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:00:27,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:00:27,591 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:00:27,592 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:00:27,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:00:27,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:00:27,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:00:27,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:00:27,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:00:27,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:00:27,593 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:00:27,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:00:27,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:00:27,594 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:00:27,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:00:27,594 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:00:27,595 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:00:27,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:00:27,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:00:27,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:00:27,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:00:27,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:00:27,596 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:00:27,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:00:27,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:00:27,597 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_fd64c2c3-369d-48fb-b637-5ae781a6ef93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b594cdd667b896d6ce097f6fd96950290806f015d929f3b2b06ffea35d861f89 [2022-11-20 18:00:27,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:00:27,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:00:27,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:00:27,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:00:27,939 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:00:27,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2022-11-20 18:00:30,998 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:00:31,286 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:00:31,287 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2022-11-20 18:00:31,299 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/data/fbfadf752/ab3f7176c6c4491aa76b28ef59a0614c/FLAGd51cdc504 [2022-11-20 18:00:31,323 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/data/fbfadf752/ab3f7176c6c4491aa76b28ef59a0614c [2022-11-20 18:00:31,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:00:31,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:00:31,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:31,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:00:31,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:00:31,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ceb0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31, skipping insertion in model container [2022-11-20 18:00:31,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:00:31,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:00:31,691 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/sv-benchmarks/c/list-simple/dll2n_remove_all.i[24090,24103] [2022-11-20 18:00:31,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:31,702 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:00:31,782 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/sv-benchmarks/c/list-simple/dll2n_remove_all.i[24090,24103] [2022-11-20 18:00:31,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:31,822 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:00:31,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31 WrapperNode [2022-11-20 18:00:31,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:31,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:31,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:00:31,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:00:31,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,897 INFO L138 Inliner]: procedures = 126, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2022-11-20 18:00:31,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:31,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:00:31,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:00:31,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:00:31,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,936 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:00:31,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:00:31,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:00:31,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:00:31,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:31" (1/1) ... [2022-11-20 18:00:31,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:00:31,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:00:31,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:00:32,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:00:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-20 18:00:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-20 18:00:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:00:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:00:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:00:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:00:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 18:00:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 18:00:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:00:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 18:00:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:00:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:00:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:00:32,244 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:00:32,253 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:00:32,301 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-20 18:00:32,549 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:00:32,644 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:00:32,645 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:00:32,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:32 BoogieIcfgContainer [2022-11-20 18:00:32,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:00:32,649 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:00:32,649 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:00:32,660 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:00:32,660 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:32" (1/1) ... [2022-11-20 18:00:32,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:00:32,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:32,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-11-20 18:00:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 18:00:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:00:32,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:32,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:32,966 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 18:00:33,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:33,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-11-20 18:00:33,010 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-20 18:00:33,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:00:33,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:33,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:33,335 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 18:00:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:33,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 18:00:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 18:00:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:00:33,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:33,550 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 18:00:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-11-20 18:00:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-20 18:00:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:00:33,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:33,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2022-11-20 18:00:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2022-11-20 18:00:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:00:34,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:34,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2022-11-20 18:00:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-20 18:00:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:00:34,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:34,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2022-11-20 18:00:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-11-20 18:00:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:00:35,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:35,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:00:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-11-20 18:00:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-11-20 18:00:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:00:35,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:35,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2022-11-20 18:00:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2022-11-20 18:00:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:00:36,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:36,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:00:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-11-20 18:00:36,509 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-11-20 18:00:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:00:36,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:36,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:00:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:36,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2022-11-20 18:00:36,893 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-20 18:00:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:00:36,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:36,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:00:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2022-11-20 18:00:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 18:00:37,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:00:37,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:37,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:00:37,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:37,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-20 18:00:37,530 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-20 18:00:37,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:00:37,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:37,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:00:37,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-11-20 18:00:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 18:00:37,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:00:37,927 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2022-11-20 18:00:37,939 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 18:00:38,072 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 18:00:38,080 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 18:00:38,084 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:00:38,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:00:38 ImpRootNode [2022-11-20 18:00:38,087 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:00:38,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:00:38,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:00:38,088 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:00:38,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:32" (3/4) ... [2022-11-20 18:00:38,095 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:00:38,102 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure myexit [2022-11-20 18:00:38,118 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-20 18:00:38,125 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 18:00:38,126 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:00:38,127 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:00:38,187 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:00:38,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:00:38,193 INFO L158 Benchmark]: Toolchain (without parser) took 6865.56ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 143.5MB in the beginning and 151.6MB in the end (delta: -8.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-11-20 18:00:38,194 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:38,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.49ms. Allocated memory is still 172.0MB. Free memory was 143.5MB in the beginning and 126.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:00:38,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.11ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 124.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:38,195 INFO L158 Benchmark]: Boogie Preprocessor took 53.18ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 122.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:38,196 INFO L158 Benchmark]: RCFGBuilder took 695.57ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 129.0MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:00:38,196 INFO L158 Benchmark]: CodeCheck took 5438.01ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 129.0MB in the beginning and 154.6MB in the end (delta: -25.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-11-20 18:00:38,196 INFO L158 Benchmark]: Witness Printer took 105.14ms. Allocated memory is still 207.6MB. Free memory was 154.6MB in the beginning and 151.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:38,204 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 2 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 564 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 425 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 160 mSDsCounter, 362 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1463 IncrementalHoareTripleChecker+Invalid, 1825 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 362 mSolverCounterUnsat, 160 mSDtfsCounter, 1463 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1083 GetRequests, 974 SyntacticMatches, 19 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3572 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 27/49 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: 599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: i <= 1 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((2 <= len && len <= 2) && len <= 1) || (2 == len && len == len) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.49ms. Allocated memory is still 172.0MB. Free memory was 143.5MB in the beginning and 126.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.11ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 124.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.18ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 122.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 695.57ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 129.0MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5438.01ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 129.0MB in the beginning and 154.6MB in the end (delta: -25.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 105.14ms. Allocated memory is still 207.6MB. Free memory was 154.6MB in the beginning and 151.6MB 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! [2022-11-20 18:00:38,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd64c2c3-369d-48fb-b637-5ae781a6ef93/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