./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/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_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b329d37fd8bf911c1223006468d56bb06a44739627ad380de3f708faf818709f --- 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 16:59:14,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:14,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:14,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:14,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:14,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:14,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:14,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:14,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:14,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:14,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:14,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:14,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:14,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:14,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:14,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:14,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:14,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:14,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:14,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:14,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:14,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:14,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:14,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:14,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:14,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:14,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:14,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:14,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:14,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:14,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:14,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:14,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:14,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:14,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:14,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:14,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:14,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:14,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:14,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:14,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:14,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:59:14,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:14,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:14,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:14,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:14,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:14,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:14,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:14,727 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:14,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:14,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:14,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:14,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:14,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:14,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:14,729 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:14,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:14,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:14,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:14,730 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:14,730 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:14,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:14,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:14,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:14,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:14,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:14,731 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:14,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:14,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:14,733 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_5e7d7cb5-819a-4cba-92b8-760efd8915ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b329d37fd8bf911c1223006468d56bb06a44739627ad380de3f708faf818709f [2022-10-17 16:59:15,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:15,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:15,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:15,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:15,048 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:15,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2022-10-17 16:59:15,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/data/f01b4cd9a/d01ccc348d424c07963a323e17d61652/FLAGdffaf12a7 [2022-10-17 16:59:15,703 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:15,704 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2022-10-17 16:59:15,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/data/f01b4cd9a/d01ccc348d424c07963a323e17d61652/FLAGdffaf12a7 [2022-10-17 16:59:16,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/data/f01b4cd9a/d01ccc348d424c07963a323e17d61652 [2022-10-17 16:59:16,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:16,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:16,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:16,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:16,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:16,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b76e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16, skipping insertion in model container [2022-10-17 16:59:16,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:16,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:16,313 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_5e7d7cb5-819a-4cba-92b8-760efd8915ee/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c[354,367] [2022-10-17 16:59:16,318 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_5e7d7cb5-819a-4cba-92b8-760efd8915ee/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c[442,455] [2022-10-17 16:59:16,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:16,328 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:16,343 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_5e7d7cb5-819a-4cba-92b8-760efd8915ee/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c[354,367] [2022-10-17 16:59:16,345 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_5e7d7cb5-819a-4cba-92b8-760efd8915ee/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c[442,455] [2022-10-17 16:59:16,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:16,364 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:16,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16 WrapperNode [2022-10-17 16:59:16,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:16,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:16,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:16,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:16,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,401 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2022-10-17 16:59:16,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:16,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:16,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:16,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:16,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:16,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:16,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:16,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:16,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:16,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:16,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:16,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-10-17 16:59:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-10-17 16:59:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-10-17 16:59:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-10-17 16:59:16,588 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:16,595 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:16,695 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:16,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:16,711 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:59:16,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:16 BoogieIcfgContainer [2022-10-17 16:59:16,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:16,715 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:16,715 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:16,726 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:16,726 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:16,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-10-17 16:59:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-10-17 16:59:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:59:16,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:16,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:17,099 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 16:59:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 7 transitions. [2022-10-17 16:59:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-10-17 16:59:17,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:59:17,167 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-10-17 16:59:17,178 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-10-17 16:59:17,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:59:17 ImpRootNode [2022-10-17 16:59:17,219 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:59:17,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:59:17,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:59:17,220 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:59:17,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:16" (3/4) ... [2022-10-17 16:59:17,224 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:59:17,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2022-10-17 16:59:17,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2022-10-17 16:59:17,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 16:59:17,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 16:59:17,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:59:17,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:59:17,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:59:17,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:59:17,289 INFO L158 Benchmark]: Toolchain (without parser) took 1223.95ms. Allocated memory is still 102.8MB. Free memory was 57.1MB in the beginning and 48.9MB in the end (delta: 8.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-10-17 16:59:17,290 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:17,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.22ms. Allocated memory is still 102.8MB. Free memory was 57.0MB in the beginning and 78.0MB in the end (delta: -21.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:59:17,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.31ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 76.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:17,294 INFO L158 Benchmark]: Boogie Preprocessor took 27.50ms. Allocated memory is still 102.8MB. Free memory was 76.7MB in the beginning and 75.9MB in the end (delta: 721.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:17,295 INFO L158 Benchmark]: RCFGBuilder took 282.54ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 66.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:59:17,296 INFO L158 Benchmark]: CodeCheck took 504.38ms. Allocated memory is still 102.8MB. Free memory was 66.1MB in the beginning and 51.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:59:17,298 INFO L158 Benchmark]: Witness Printer took 68.44ms. Allocated memory is still 102.8MB. Free memory was 51.3MB in the beginning and 48.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:17,304 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 3 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable 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 0.23ms. Allocated memory is still 102.8MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.22ms. Allocated memory is still 102.8MB. Free memory was 57.0MB in the beginning and 78.0MB in the end (delta: -21.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.31ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 76.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.50ms. Allocated memory is still 102.8MB. Free memory was 76.7MB in the beginning and 75.9MB in the end (delta: 721.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.54ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 66.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 504.38ms. Allocated memory is still 102.8MB. Free memory was 66.1MB in the beginning and 51.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 68.44ms. Allocated memory is still 102.8MB. Free memory was 51.3MB in the beginning and 48.9MB 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 16:59:17,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7d7cb5-819a-4cba-92b8-760efd8915ee/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