./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8 --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 a6fb157ae499b257dadbdfdc38e5d4454494023bad31f4939a5eb0b429ddb260 --- 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-2329fc7 [2022-12-13 22:21:36,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:21:36,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:21:36,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:21:36,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:21:36,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:21:36,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:21:36,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:21:36,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:21:36,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:21:36,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:21:36,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:21:36,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:21:36,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:21:36,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:21:36,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:21:36,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:21:36,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:21:36,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:21:36,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:21:36,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:21:36,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:21:36,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:21:36,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:21:36,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:21:36,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:21:36,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:21:36,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:21:36,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:21:36,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:21:36,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:21:36,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:21:36,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:21:36,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:21:36,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:21:36,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:21:36,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:21:36,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:21:36,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:21:36,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:21:36,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:21:36,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 22:21:36,469 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:21:36,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:21:36,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:21:36,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:21:36,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:21:36,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:21:36,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:21:36,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:21:36,474 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:21:36,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:21:36,475 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:21:36,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:21:36,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:21:36,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:21:36,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:21:36,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:21:36,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:21:36,476 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:21:36,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:21:36,476 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:21:36,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:21:36,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:21:36,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:21:36,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:21:36,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:21:36,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:21:36,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:21:36,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:21:36,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:21:36,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:21:36,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:21:36,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:21:36,477 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:21:36,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:21:36,478 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:21:36,478 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_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6fb157ae499b257dadbdfdc38e5d4454494023bad31f4939a5eb0b429ddb260 [2022-12-13 22:21:36,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:21:36,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:21:36,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:21:36,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:21:36,659 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:21:36,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c [2022-12-13 22:21:39,374 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:21:39,674 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:21:39,674 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c [2022-12-13 22:21:39,691 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/data/22b207698/b7d4b4c756c1448eb1ed43eea241f2f6/FLAGb15169492 [2022-12-13 22:21:39,704 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/data/22b207698/b7d4b4c756c1448eb1ed43eea241f2f6 [2022-12-13 22:21:39,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:21:39,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:21:39,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:21:39,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:21:39,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:21:39,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:21:39" (1/1) ... [2022-12-13 22:21:39,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e436306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:39, skipping insertion in model container [2022-12-13 22:21:39,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:21:39" (1/1) ... [2022-12-13 22:21:39,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:21:39,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:21:39,933 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_966c9103-68fb-4666-892d-e591291796d2/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c[1871,1884] [2022-12-13 22:21:40,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:21:40,382 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:21:40,394 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_966c9103-68fb-4666-892d-e591291796d2/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c[1871,1884] [2022-12-13 22:21:40,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:21:40,603 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:21:40,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40 WrapperNode [2022-12-13 22:21:40,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:21:40,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:21:40,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:21:40,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:21:40,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,794 INFO L138 Inliner]: procedures = 99, calls = 2816, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8376 [2022-12-13 22:21:40,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:21:40,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:21:40,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:21:40,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:21:40,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,928 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:21:40,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:21:40,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:21:40,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:21:40,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (1/1) ... [2022-12-13 22:21:40,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:21:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:21:41,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:21:41,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966c9103-68fb-4666-892d-e591291796d2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:21:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-12-13 22:21:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-12-13 22:21:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-12-13 22:21:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-12-13 22:21:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:21:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 22:21:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 22:21:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-12-13 22:21:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-12-13 22:21:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-12-13 22:21:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-12-13 22:21:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-12-13 22:21:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-12-13 22:21:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-12-13 22:21:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-12-13 22:21:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-12-13 22:21:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-12-13 22:21:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-12-13 22:21:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-12-13 22:21:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 22:21:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 22:21:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:21:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-12-13 22:21:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-12-13 22:21:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-12-13 22:21:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-12-13 22:21:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-12-13 22:21:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-12-13 22:21:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-12-13 22:21:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-12-13 22:21:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-12-13 22:21:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-12-13 22:21:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-12-13 22:21:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-12-13 22:21:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-12-13 22:21:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-12-13 22:21:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:21:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-12-13 22:21:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-12-13 22:21:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-12-13 22:21:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-12-13 22:21:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-12-13 22:21:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-12-13 22:21:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-12-13 22:21:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-12-13 22:21:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-12-13 22:21:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-12-13 22:21:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-12-13 22:21:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-12-13 22:21:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-12-13 22:21:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-12-13 22:21:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-12-13 22:21:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-12-13 22:21:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-12-13 22:21:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-12-13 22:21:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-12-13 22:21:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-12-13 22:21:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-12-13 22:21:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-12-13 22:21:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-12-13 22:21:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-12-13 22:21:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-12-13 22:21:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-12-13 22:21:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 22:21:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 22:21:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-12-13 22:21:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-12-13 22:21:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-12-13 22:21:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-12-13 22:21:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-12-13 22:21:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-12-13 22:21:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-12-13 22:21:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-12-13 22:21:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-12-13 22:21:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-12-13 22:21:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-12-13 22:21:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-12-13 22:21:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-12-13 22:21:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-12-13 22:21:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-12-13 22:21:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-12-13 22:21:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-12-13 22:21:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-12-13 22:21:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-12-13 22:21:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-12-13 22:21:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-12-13 22:21:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-12-13 22:21:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-12-13 22:21:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-12-13 22:21:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:21:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-12-13 22:21:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-12-13 22:21:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:21:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:21:41,447 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:21:41,449 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:21:58,367 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:21:58,384 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:21:58,384 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 22:21:58,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:21:58 BoogieIcfgContainer [2022-12-13 22:21:58,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:21:58,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:21:58,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:21:58,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:21:58,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:21:39" (1/3) ... [2022-12-13 22:21:58,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab97880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:21:58, skipping insertion in model container [2022-12-13 22:21:58,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:21:40" (2/3) ... [2022-12-13 22:21:58,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab97880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:21:58, skipping insertion in model container [2022-12-13 22:21:58,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:21:58" (3/3) ... [2022-12-13 22:21:58,398 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-2.c [2022-12-13 22:21:58,413 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:21:58,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 22:21:58,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:21:58,494 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;@a92803, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:21:58,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 22:21:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 2465 states, 2113 states have (on average 1.4803596781826787) internal successors, (3128), 2137 states have internal predecessors, (3128), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (306), 296 states have call predecessors, (306), 306 states have call successors, (306) [2022-12-13 22:21:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 22:21:58,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:21:58,520 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] [2022-12-13 22:21:58,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:21:58,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:21:58,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1381223433, now seen corresponding path program 1 times [2022-12-13 22:21:58,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:21:58,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086742407] [2022-12-13 22:21:58,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:21:58,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms