./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.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_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/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_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/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_021dca9f-375e-4e69-8955-503bcfd2b8bc/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 bc897f414e0a05ffd4da5dfbe75d0cb0f250cea1356c39694412a6f55b10a7b1 --- 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 16:38:10,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:10,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:10,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:10,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:10,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:10,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:10,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:10,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:10,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:10,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:10,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:10,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:10,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:10,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:10,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:10,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:10,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:10,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:10,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:10,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:10,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:10,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:10,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:10,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:10,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:10,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:10,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:10,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:10,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:10,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:10,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:10,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:10,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:10,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:10,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:10,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:10,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:10,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:10,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:10,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:10,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:38:10,514 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:10,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:10,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:10,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:10,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:10,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:10,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:10,518 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:10,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:10,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:10,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:10,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:10,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:10,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:10,521 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:10,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:10,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:10,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:10,522 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:10,522 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:10,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:10,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:10,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:10,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:10,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:10,524 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:10,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:10,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:10,525 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_021dca9f-375e-4e69-8955-503bcfd2b8bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc897f414e0a05ffd4da5dfbe75d0cb0f250cea1356c39694412a6f55b10a7b1 [2022-10-17 16:38:10,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:10,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:10,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:10,863 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:10,875 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:10,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2022-10-17 16:38:10,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/data/63ba3f72a/a3ca2600dfc846269e371f44c296b971/FLAG96cd429f7 [2022-10-17 16:38:11,502 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:11,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2022-10-17 16:38:11,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/data/63ba3f72a/a3ca2600dfc846269e371f44c296b971/FLAG96cd429f7 [2022-10-17 16:38:11,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/data/63ba3f72a/a3ca2600dfc846269e371f44c296b971 [2022-10-17 16:38:11,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:11,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:11,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:11,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:11,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:11,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:11" (1/1) ... [2022-10-17 16:38:11,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6652084e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:11, skipping insertion in model container [2022-10-17 16:38:11,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:11" (1/1) ... [2022-10-17 16:38:11,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:12,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:12,528 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_021dca9f-375e-4e69-8955-503bcfd2b8bc/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2022-10-17 16:38:12,535 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_021dca9f-375e-4e69-8955-503bcfd2b8bc/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2022-10-17 16:38:12,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:12,610 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:12,811 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_021dca9f-375e-4e69-8955-503bcfd2b8bc/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2022-10-17 16:38:12,816 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_021dca9f-375e-4e69-8955-503bcfd2b8bc/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2022-10-17 16:38:12,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:12,874 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:12,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12 WrapperNode [2022-10-17 16:38:12,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:12,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:12,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:12,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:12,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:12,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,014 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1404 [2022-10-17 16:38:13,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:13,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:13,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:13,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:13,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,138 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:13,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:13,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:13,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:13,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:12" (1/1) ... [2022-10-17 16:38:13,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:13,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:13,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021dca9f-375e-4e69-8955-503bcfd2b8bc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:13,412 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:13,414 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:14,815 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:14,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:14,849 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:38:14,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:14 BoogieIcfgContainer [2022-10-17 16:38:14,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:14,856 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:14,856 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:14,867 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:14,868 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:15,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 249 states and 484 transitions. [2022-10-17 16:38:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 484 transitions. [2022-10-17 16:38:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 16:38:15,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:15,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:16,074 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 16:38:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 251 states and 485 transitions. [2022-10-17 16:38:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 485 transitions. [2022-10-17 16:38:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-17 16:38:16,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:16,769 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 16:38:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 254 states and 488 transitions. [2022-10-17 16:38:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 488 transitions. [2022-10-17 16:38:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-17 16:38:16,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:17,308 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 16:38:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 256 states and 490 transitions. [2022-10-17 16:38:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 490 transitions. [2022-10-17 16:38:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-17 16:38:17,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:17,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:18,237 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 16:38:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 495 transitions. [2022-10-17 16:38:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 495 transitions. [2022-10-17 16:38:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-17 16:38:18,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:18,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 258 states and 493 transitions. [2022-10-17 16:38:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 493 transitions. [2022-10-17 16:38:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-17 16:38:19,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:19,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 368 states and 742 transitions. [2022-10-17 16:38:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 742 transitions. [2022-10-17 16:38:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:38:21,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:21,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 361 states and 733 transitions. [2022-10-17 16:38:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 733 transitions. [2022-10-17 16:38:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:38:21,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:21,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:31,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 388 states and 794 transitions. [2022-10-17 16:38:31,201 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 794 transitions. [2022-10-17 16:38:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-17 16:38:31,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:31,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 335 states and 678 transitions. [2022-10-17 16:38:35,474 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 678 transitions. [2022-10-17 16:38:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-17 16:38:35,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:35,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 282 states and 563 transitions. [2022-10-17 16:38:38,588 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 563 transitions. [2022-10-17 16:38:38,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-17 16:38:38,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:38,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.