./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_o1000.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_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/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_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o1000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/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_d8b13fbb-a1db-4e6e-b79e-30938144faf0/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 1ac5ce2c5b306e431b6746a0cb1bbdfcd1ec9c3d54097bd6037af4480ff2bd07 --- 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 17:04:05,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:05,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:05,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:05,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:05,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:05,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:05,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:05,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:05,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:05,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:05,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:05,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:05,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:05,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:05,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:05,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:05,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:05,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:05,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:05,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:05,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:05,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:05,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:05,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:05,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:05,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:05,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:05,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:05,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:05,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:05,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:05,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:05,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:05,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:05,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:05,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:05,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:05,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:05,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:05,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:05,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:05,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:05,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:05,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:05,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:05,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:05,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:05,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:05,405 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:05,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:05,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:05,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:05,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:05,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:05,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:05,407 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:05,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:05,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:05,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:05,407 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:05,408 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:05,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:05,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:05,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:05,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:05,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:05,409 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:05,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:05,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:05,409 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_d8b13fbb-a1db-4e6e-b79e-30938144faf0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ac5ce2c5b306e431b6746a0cb1bbdfcd1ec9c3d54097bd6037af4480ff2bd07 [2022-10-17 17:04:05,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:05,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:05,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:05,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:05,701 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:05,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/id_o1000.c [2022-10-17 17:04:05,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/data/294d3f05f/3d6b9d1fc62e4aba9314d16f22a9aa8b/FLAG6eeb1adfc [2022-10-17 17:04:06,181 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:06,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/sv-benchmarks/c/recursive-simple/id_o1000.c [2022-10-17 17:04:06,188 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/data/294d3f05f/3d6b9d1fc62e4aba9314d16f22a9aa8b/FLAG6eeb1adfc [2022-10-17 17:04:06,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/data/294d3f05f/3d6b9d1fc62e4aba9314d16f22a9aa8b [2022-10-17 17:04:06,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:06,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:06,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:06,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:06,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:06,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a1cfb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06, skipping insertion in model container [2022-10-17 17:04:06,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:06,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:06,876 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_d8b13fbb-a1db-4e6e-b79e-30938144faf0/sv-benchmarks/c/recursive-simple/id_o1000.c[520,533] [2022-10-17 17:04:06,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:06,893 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:06,915 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_d8b13fbb-a1db-4e6e-b79e-30938144faf0/sv-benchmarks/c/recursive-simple/id_o1000.c[520,533] [2022-10-17 17:04:06,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:06,928 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:06,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06 WrapperNode [2022-10-17 17:04:06,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:06,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:06,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:06,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:06,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,963 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-10-17 17:04:06,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:06,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:06,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:06,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:06,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:06,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:06,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:06,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:06,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:06" (1/1) ... [2022-10-17 17:04:06,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:07,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:07,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:07,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8b13fbb-a1db-4e6e-b79e-30938144faf0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-10-17 17:04:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-10-17 17:04:07,113 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:07,115 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:07,213 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:07,233 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:07,234 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:04:07,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:07 BoogieIcfgContainer [2022-10-17 17:04:07,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:07,238 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:07,238 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:07,248 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:07,248 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:07,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:07,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 17:04:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 17:04:07,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:04:07,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:07,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:07,586 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 17:04:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-10-17 17:04:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-10-17 17:04:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:07,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:07,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-10-17 17:04:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-10-17 17:04:08,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:04:08,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:08,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-10-17 17:04:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-10-17 17:04:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:04:09,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:09,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:04:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2022-10-17 17:04:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-10-17 17:04:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:04:09,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:09,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:04:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2022-10-17 17:04:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-10-17 17:04:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:04:11,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:11,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:04:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2022-10-17 17:04:12,136 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2022-10-17 17:04:12,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:04:12,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:12,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-17 17:04:13,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:13,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2022-10-17 17:04:13,483 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-10-17 17:04:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:04:13,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:13,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-17 17:04:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2022-10-17 17:04:14,999 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-10-17 17:04:15,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:04:15,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-17 17:04:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 58 states and 69 transitions. [2022-10-17 17:04:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2022-10-17 17:04:16,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:04:16,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:16,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:17,490 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-10-17 17:04:18,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2022-10-17 17:04:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2022-10-17 17:04:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:04:18,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:18,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 17:04:21,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:21,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 68 states and 81 transitions. [2022-10-17 17:04:21,363 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2022-10-17 17:04:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 17:04:21,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:21,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-10-17 17:04:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2022-10-17 17:04:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2022-10-17 17:04:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:04:23,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:23,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 17:04:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2022-10-17 17:04:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2022-10-17 17:04:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 17:04:25,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:25,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:26,802 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-10-17 17:04:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2022-10-17 17:04:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2022-10-17 17:04:28,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 17:04:28,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:28,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-10-17 17:04:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2022-10-17 17:04:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2022-10-17 17:04:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 17:04:31,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:31,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:32,878 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-10-17 17:04:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 111 transitions. [2022-10-17 17:04:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2022-10-17 17:04:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-17 17:04:35,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:35,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-10-17 17:04:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 98 states and 117 transitions. [2022-10-17 17:04:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2022-10-17 17:04:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-17 17:04:38,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:38,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat