./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b5_o10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/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_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b5_o10-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/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 32bit --witnessprinter.graph.data.programhash ec6cabd8118457b9c0b0fa0634e1000a9ed6e94f430780d1729f9bc16e854f85 --- 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 16:41:37,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:37,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:37,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:37,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:37,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:37,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:37,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:37,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:37,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:37,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:37,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:37,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:37,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:37,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:37,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:37,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:37,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:37,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:37,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:37,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:37,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:37,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:37,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:37,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:37,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:37,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:37,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:37,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:37,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:37,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:37,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:37,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:37,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:37,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:37,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:37,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:37,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:37,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:37,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:37,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:37,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:41:37,555 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:37,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:37,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:37,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:37,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:37,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:37,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:37,558 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:37,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:41:37,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:37,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:37,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:37,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:37,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:37,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:37,561 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:41:37,561 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:37,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:37,561 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:37,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:37,562 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:37,562 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:37,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:37,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:37,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:37,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:37,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:37,563 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:37,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:37,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:37,564 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_c082a79c-80c3-4366-90dc-2ecc0155b1d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec6cabd8118457b9c0b0fa0634e1000a9ed6e94f430780d1729f9bc16e854f85 [2022-10-17 16:41:37,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:37,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:37,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:37,938 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:37,939 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:37,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2022-10-17 16:41:38,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/data/536a71d80/7c140de7577c4d17bd28c015d14e2118/FLAGf54df4507 [2022-10-17 16:41:38,439 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:38,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/sv-benchmarks/c/recursive-simple/id_b5_o10-2.c [2022-10-17 16:41:38,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/data/536a71d80/7c140de7577c4d17bd28c015d14e2118/FLAGf54df4507 [2022-10-17 16:41:38,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/data/536a71d80/7c140de7577c4d17bd28c015d14e2118 [2022-10-17 16:41:38,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:38,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:38,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:38,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:38,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:38,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:38" (1/1) ... [2022-10-17 16:41:38,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cddc59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:38, skipping insertion in model container [2022-10-17 16:41:38,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:38" (1/1) ... [2022-10-17 16:41:38,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:38,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:39,045 WARN L230 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_c082a79c-80c3-4366-90dc-2ecc0155b1d5/sv-benchmarks/c/recursive-simple/id_b5_o10-2.c[530,543] [2022-10-17 16:41:39,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:39,055 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:39,071 WARN L230 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_c082a79c-80c3-4366-90dc-2ecc0155b1d5/sv-benchmarks/c/recursive-simple/id_b5_o10-2.c[530,543] [2022-10-17 16:41:39,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:39,083 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:39,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39 WrapperNode [2022-10-17 16:41:39,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:39,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:39,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:39,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:39,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,116 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-17 16:41:39,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:39,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:39,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:39,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:39,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:39,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:39,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:39,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:39,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:39,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:39,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:39,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-10-17 16:41:39,227 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-10-17 16:41:39,289 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:39,292 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:39,414 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:39,444 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:39,444 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:41:39,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:39 BoogieIcfgContainer [2022-10-17 16:41:39,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:39,448 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:39,449 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:39,464 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:39,465 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:39,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-10-17 16:41:39,556 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-10-17 16:41:39,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:39,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:39,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-10-17 16:41:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-10-17 16:41:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:39,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:39,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:41:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:41:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:41:40,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:40,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:41:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:40,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-10-17 16:41:40,566 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-10-17 16:41:40,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:41:40,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:40,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:41:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-10-17 16:41:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-10-17 16:41:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:41:40,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:40,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:41:41,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:41,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-10-17 16:41:41,326 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-10-17 16:41:41,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:41:41,327 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-10-17 16:41:41,336 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-10-17 16:41:41,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:41:41 ImpRootNode [2022-10-17 16:41:41,431 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:41:41,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:41:41,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:41:41,432 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:41:41,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:39" (3/4) ... [2022-10-17 16:41:41,437 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:41:41,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-10-17 16:41:41,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-10-17 16:41:41,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:41:41,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:41:41,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:41:41,520 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:41:41,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:41:41,523 INFO L158 Benchmark]: Toolchain (without parser) took 2699.86ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 63.7MB in the beginning and 83.6MB in the end (delta: -19.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,523 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:41:41,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.93ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 75.5MB in the end (delta: -12.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.09ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,525 INFO L158 Benchmark]: Boogie Preprocessor took 19.25ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 951.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:41:41,526 INFO L158 Benchmark]: RCFGBuilder took 309.81ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 62.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,532 INFO L158 Benchmark]: CodeCheck took 1982.42ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 62.4MB in the beginning and 85.9MB in the end (delta: -23.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,533 INFO L158 Benchmark]: Witness Printer took 89.94ms. Allocated memory is still 132.1MB. Free memory was 85.9MB in the beginning and 83.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:41,536 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 73 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 38/55 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.93ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 75.5MB in the end (delta: -12.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.09ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.25ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 951.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.81ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 62.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1982.42ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 62.4MB in the beginning and 85.9MB in the end (delta: -23.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 89.94ms. Allocated memory is still 132.1MB. Free memory was 85.9MB in the beginning and 83.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:41:41,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c082a79c-80c3-4366-90dc-2ecc0155b1d5/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