./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R --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 5e0651820efa05b0d1173e869e8cdb7c85f212e339148a75ab7dde9c1235571e --- 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-38b53e6 [2022-11-25 16:55:32,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:55:32,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:55:32,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:55:32,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:55:32,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:55:32,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:55:32,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:55:32,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:55:32,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:55:32,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:55:32,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:55:32,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:55:32,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:55:32,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:55:32,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:55:32,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:55:32,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:55:32,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:55:32,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:55:32,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:55:32,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:55:32,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:55:32,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:55:32,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:55:32,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:55:32,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:55:32,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:55:32,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:55:32,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:55:32,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:55:32,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:55:32,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:55:32,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:55:32,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:55:32,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:55:32,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:55:32,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:55:32,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:55:32,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:55:32,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:55:32,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 16:55:32,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:55:32,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:55:32,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:55:32,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:55:32,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:55:32,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:55:32,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:55:32,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:55:32,205 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:55:32,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:55:32,207 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:55:32,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:55:32,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:55:32,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:55:32,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:55:32,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:55:32,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:55:32,208 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:55:32,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:55:32,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:55:32,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:55:32,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:55:32,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:55:32,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:55:32,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:55:32,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:55:32,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:55:32,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:55:32,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:55:32,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:55:32,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:55:32,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:55:32,213 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:55:32,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:55:32,213 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e0651820efa05b0d1173e869e8cdb7c85f212e339148a75ab7dde9c1235571e [2022-11-25 16:55:32,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:55:32,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:55:32,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:55:32,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:55:32,577 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:55:32,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c [2022-11-25 16:55:35,571 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:55:36,252 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:55:36,253 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c [2022-11-25 16:55:36,309 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/data/69bc4311a/b6e867885d564f7ea4b5518f623edc6d/FLAG93275afdb [2022-11-25 16:55:36,329 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/data/69bc4311a/b6e867885d564f7ea4b5518f623edc6d [2022-11-25 16:55:36,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:55:36,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:55:36,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:55:36,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:55:36,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:55:36,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:55:36" (1/1) ... [2022-11-25 16:55:36,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d67f1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:36, skipping insertion in model container [2022-11-25 16:55:36,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:55:36" (1/1) ... [2022-11-25 16:55:36,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:55:36,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:55:36,774 WARN L237 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_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c[2266,2279] [2022-11-25 16:55:38,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:55:38,032 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:55:38,057 WARN L237 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_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c[2266,2279] [2022-11-25 16:55:38,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:55:38,865 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:55:38,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38 WrapperNode [2022-11-25 16:55:38,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:55:38,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:55:38,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:55:38,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:55:38,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:39,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:40,468 INFO L138 Inliner]: procedures = 101, calls = 11881, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 39268 [2022-11-25 16:55:40,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:55:40,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:55:40,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:55:40,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:55:40,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:40,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:40,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:40,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:41,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:41,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:41,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:41,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:42,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:55:42,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:55:42,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:55:42,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:55:42,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (1/1) ... [2022-11-25 16:55:42,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:55:42,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:42,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:42,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6601f1-d13d-4fbf-93fa-f6108c4dc519/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:55:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-11-25 16:55:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-11-25 16:55:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-11-25 16:55:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-11-25 16:55:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:55:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-11-25 16:55:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-11-25 16:55:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-25 16:55:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-25 16:55:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-11-25 16:55:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-11-25 16:55:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-11-25 16:55:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-11-25 16:55:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-11-25 16:55:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-11-25 16:55:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-11-25 16:55:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-11-25 16:55:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-11-25 16:55:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-11-25 16:55:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:55:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-25 16:55:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-25 16:55:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-11-25 16:55:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-11-25 16:55:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-11-25 16:55:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-11-25 16:55:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-11-25 16:55:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-11-25 16:55:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-11-25 16:55:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-11-25 16:55:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-11-25 16:55:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-11-25 16:55:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-25 16:55:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-25 16:55:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:55:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-25 16:55:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-25 16:55:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-11-25 16:55:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-11-25 16:55:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-11-25 16:55:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-11-25 16:55:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-11-25 16:55:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-11-25 16:55:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-25 16:55:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-25 16:55:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-11-25 16:55:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-11-25 16:55:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-25 16:55:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-25 16:55:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-11-25 16:55:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-11-25 16:55:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-11-25 16:55:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-11-25 16:55:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-11-25 16:55:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-11-25 16:55:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-11-25 16:55:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-11-25 16:55:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-11-25 16:55:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-11-25 16:55:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-11-25 16:55:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-11-25 16:55:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-11-25 16:55:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-11-25 16:55:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-11-25 16:55:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-11-25 16:55:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-11-25 16:55:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-11-25 16:55:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-11-25 16:55:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-11-25 16:55:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-11-25 16:55:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-11-25 16:55:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-11-25 16:55:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-11-25 16:55:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-11-25 16:55:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-11-25 16:55:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-11-25 16:55:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-11-25 16:55:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-11-25 16:55:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-11-25 16:55:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-11-25 16:55:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-11-25 16:55:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-11-25 16:55:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-11-25 16:55:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-11-25 16:55:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-11-25 16:55:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-11-25 16:55:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-11-25 16:55:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:55:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-11-25 16:55:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-11-25 16:55:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:55:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:55:44,076 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:55:44,081 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:10:23,883 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:10:23,934 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:10:23,935 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 17:10:23,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:23 BoogieIcfgContainer [2022-11-25 17:10:23,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:10:23,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:10:23,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:10:23,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:10:23,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:55:36" (1/3) ... [2022-11-25 17:10:23,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b99d8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:10:23, skipping insertion in model container [2022-11-25 17:10:23,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:38" (2/3) ... [2022-11-25 17:10:23,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b99d8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:10:23, skipping insertion in model container [2022-11-25 17:10:23,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:23" (3/3) ... [2022-11-25 17:10:23,952 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.3-1.c [2022-11-25 17:10:23,972 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:10:23,972 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:10:24,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:10:24,172 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;@686b72c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:10:24,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:10:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 8447 states, 8032 states have (on average 1.5709661354581674) internal successors, (12618), 8056 states have internal predecessors, (12618), 370 states have call successors, (370), 43 states have call predecessors, (370), 43 states have return successors, (370), 360 states have call predecessors, (370), 370 states have call successors, (370) [2022-11-25 17:10:24,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3346 [2022-11-25 17:10:24,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:24,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:10:24,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:10:24,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:24,464 INFO L85 PathProgramCache]: Analyzing trace with hash -391326380, now seen corresponding path program 1 times [2022-11-25 17:10:24,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:24,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783809538] [2022-11-25 17:10:24,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:24,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms