./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.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_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e24bd3d387a8dc9f49a28dec971e10112e01621b85a87c6eb3a0cec4db0bef2 --- 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 10:33:34,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:33:34,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:33:34,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:33:34,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:33:34,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:33:34,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:33:34,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:33:34,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:33:34,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:33:34,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:33:34,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:33:34,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:33:34,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:33:34,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:33:34,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:33:34,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:33:34,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:33:34,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:33:34,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:33:34,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:33:34,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:33:34,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:33:34,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:33:34,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:33:34,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:33:34,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:33:34,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:33:34,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:33:34,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:33:34,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:33:34,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:33:34,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:33:34,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:33:34,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:33:34,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:33:34,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:33:34,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:33:34,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:33:34,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:33:34,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:33:34,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:33:34,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:33:34,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:33:34,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:33:34,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:33:34,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:33:34,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:33:34,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:33:34,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:33:34,979 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:33:34,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:33:34,980 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:33:34,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:33:34,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:33:34,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:33:34,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:33:34,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:33:34,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:33:34,982 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:33:34,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:33:34,982 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:33:34,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:33:34,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:33:34,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:33:34,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:33:34,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:33:34,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:33:34,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:33:34,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:33:34,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:33:34,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:33:34,986 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:33:34,986 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:33:34,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:33:34,987 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_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e24bd3d387a8dc9f49a28dec971e10112e01621b85a87c6eb3a0cec4db0bef2 [2022-10-17 10:33:35,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:33:35,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:33:35,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:33:35,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:33:35,358 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:33:35,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c [2022-10-17 10:33:35,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/data/6757d4f2f/9bc031ffb9834021b12beef6b72f503b/FLAGbc4b7b29c [2022-10-17 10:33:36,063 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:33:36,063 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c [2022-10-17 10:33:36,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/data/6757d4f2f/9bc031ffb9834021b12beef6b72f503b/FLAGbc4b7b29c [2022-10-17 10:33:36,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/data/6757d4f2f/9bc031ffb9834021b12beef6b72f503b [2022-10-17 10:33:36,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:33:36,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:33:36,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:33:36,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:33:36,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:33:36,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:33:36" (1/1) ... [2022-10-17 10:33:36,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75df1a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:36, skipping insertion in model container [2022-10-17 10:33:36,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:33:36" (1/1) ... [2022-10-17 10:33:36,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:33:36,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:33:36,588 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_2943ade8-d321-4f50-8bf0-eb68bd81716e/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c[2061,2074] [2022-10-17 10:33:37,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:33:37,042 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:33:37,057 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_2943ade8-d321-4f50-8bf0-eb68bd81716e/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c[2061,2074] [2022-10-17 10:33:37,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:33:37,396 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:33:37,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37 WrapperNode [2022-10-17 10:33:37,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:33:37,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:33:37,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:33:37,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:33:37,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:37,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:37,721 INFO L138 Inliner]: procedures = 72, calls = 2680, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 5657 [2022-10-17 10:33:37,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:33:37,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:33:37,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:33:37,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:33:37,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:37,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:37,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:37,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:37,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:38,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:38,019 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:38,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:38,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:33:38,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:33:38,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:33:38,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:33:38,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (1/1) ... [2022-10-17 10:33:38,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:33:38,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:33:38,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:33:38,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2943ade8-d321-4f50-8bf0-eb68bd81716e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:33:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:33:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-10-17 10:33:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-10-17 10:33:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 10:33:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 10:33:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 10:33:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 10:33:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:33:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 10:33:38,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 10:33:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 10:33:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 10:33:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-10-17 10:33:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-10-17 10:33:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 10:33:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 10:33:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:33:38,214 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 10:33:38,214 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 10:33:38,214 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 10:33:38,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 10:33:38,214 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-10-17 10:33:38,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-10-17 10:33:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-10-17 10:33:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-10-17 10:33:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 10:33:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 10:33:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 10:33:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 10:33:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-10-17 10:33:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-10-17 10:33:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:33:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:33:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-17 10:33:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-17 10:33:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 10:33:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 10:33:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-10-17 10:33:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-10-17 10:33:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-10-17 10:33:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-10-17 10:33:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:33:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:33:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:33:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:33:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:33:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 10:33:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 10:33:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 10:33:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 10:33:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 10:33:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 10:33:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-10-17 10:33:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-10-17 10:33:38,823 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:33:38,827 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:33:51,797 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:33:51,836 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:33:51,836 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:33:51,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:33:51 BoogieIcfgContainer [2022-10-17 10:33:51,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:33:51,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:33:51,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:33:51,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:33:51,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:33:36" (1/3) ... [2022-10-17 10:33:51,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd2c237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:33:51, skipping insertion in model container [2022-10-17 10:33:51,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:37" (2/3) ... [2022-10-17 10:33:51,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd2c237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:33:51, skipping insertion in model container [2022-10-17 10:33:51,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:33:51" (3/3) ... [2022-10-17 10:33:51,855 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.4.M1.c [2022-10-17 10:33:51,878 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:33:51,879 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:33:52,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:33:52,029 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c2f105b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:33:52,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:33:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 1637 states, 1017 states have (on average 1.2566371681415929) internal successors, (1278), 1048 states have internal predecessors, (1278), 595 states have call successors, (595), 23 states have call predecessors, (595), 23 states have return successors, (595), 593 states have call predecessors, (595), 595 states have call successors, (595) [2022-10-17 10:33:52,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2022-10-17 10:33:52,235 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:33:52,237 INFO L195 NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:33:52,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:33:52,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:33:52,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1806207694, now seen corresponding path program 1 times [2022-10-17 10:33:52,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:33:52,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751125957] [2022-10-17 10:33:52,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:33:52,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms