./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/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_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/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_185152e0-168e-49fe-916e-328bf5e061e5/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 6591ce47dfe4224cb6f7a03e7ab6e8c9fb535aeaf619e89bc0784a15f3516b25 --- 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 12:30:10,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:30:10,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:30:10,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:30:10,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:30:10,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:30:10,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:30:10,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:30:10,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:30:10,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:30:10,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:30:10,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:30:10,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:30:10,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:30:10,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:30:10,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:30:10,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:30:10,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:30:10,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:30:10,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:30:10,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:30:10,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:30:10,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:30:10,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:30:10,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:30:10,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:30:10,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:30:10,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:30:10,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:30:10,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:30:10,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:30:10,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:30:10,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:30:10,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:30:10,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:30:10,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:30:10,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:30:10,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:30:10,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:30:10,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:30:10,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:30:10,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 12:30:10,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:30:10,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:30:10,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:30:10,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:30:10,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:30:10,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:30:10,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:30:10,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:30:10,575 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:30:10,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:30:10,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:30:10,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:30:10,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:30:10,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:30:10,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:30:10,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:30:10,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:30:10,577 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:30:10,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:30:10,577 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:30:10,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:30:10,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:30:10,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:30:10,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:30:10,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:30:10,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:30:10,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:30:10,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:30:10,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:30:10,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:30:10,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:30:10,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:30:10,579 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:30:10,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:30:10,580 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:30:10,580 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_185152e0-168e-49fe-916e-328bf5e061e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6591ce47dfe4224cb6f7a03e7ab6e8c9fb535aeaf619e89bc0784a15f3516b25 [2022-12-13 12:30:10,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:30:10,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:30:10,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:30:10,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:30:10,778 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:30:10,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2022-12-13 12:30:13,365 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:30:13,617 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:30:13,617 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2022-12-13 12:30:13,632 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/data/3748cbb5e/85f9644629574ed0b300c82031694bb1/FLAGa0363761b [2022-12-13 12:30:13,645 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/data/3748cbb5e/85f9644629574ed0b300c82031694bb1 [2022-12-13 12:30:13,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:30:13,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:30:13,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:30:13,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:30:13,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:30:13,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:30:13" (1/1) ... [2022-12-13 12:30:13,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e1fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:13, skipping insertion in model container [2022-12-13 12:30:13,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:30:13" (1/1) ... [2022-12-13 12:30:13,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:30:13,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:30:13,850 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_185152e0-168e-49fe-916e-328bf5e061e5/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c[1800,1813] [2022-12-13 12:30:13,912 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-13 12:30:13,913 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-13 12:30:13,915 WARN L623 FunctionHandler]: Unknown extern function ecrobot_sound_tone [2022-12-13 12:30:13,920 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-13 12:30:13,921 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-13 12:30:13,922 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-13 12:30:13,922 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-13 12:30:13,934 WARN L623 FunctionHandler]: Unknown extern function ecrobot_bt_data_logger [2022-12-13 12:30:14,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:30:14,197 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:30:14,209 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_185152e0-168e-49fe-916e-328bf5e061e5/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c[1800,1813] [2022-12-13 12:30:14,225 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-13 12:30:14,225 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-13 12:30:14,226 WARN L623 FunctionHandler]: Unknown extern function ecrobot_sound_tone [2022-12-13 12:30:14,228 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-13 12:30:14,228 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-13 12:30:14,228 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-13 12:30:14,229 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-13 12:30:14,232 WARN L623 FunctionHandler]: Unknown extern function ecrobot_bt_data_logger [2022-12-13 12:30:14,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:30:14,392 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:30:14,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14 WrapperNode [2022-12-13 12:30:14,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:30:14,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:30:14,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:30:14,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:30:14,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,586 INFO L138 Inliner]: procedures = 60, calls = 3154, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 5973 [2022-12-13 12:30:14,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:30:14,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:30:14,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:30:14,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:30:14,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,750 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:30:14,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:30:14,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:30:14,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:30:14,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (1/1) ... [2022-12-13 12:30:14,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:30:14,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:30:14,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:30:14,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185152e0-168e-49fe-916e-328bf5e061e5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:30:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:30:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-12-13 12:30:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-12-13 12:30:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-12-13 12:30:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-12-13 12:30:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-12-13 12:30:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-12-13 12:30:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:30:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-12-13 12:30:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-12-13 12:30:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-12-13 12:30:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-12-13 12:30:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-12-13 12:30:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-12-13 12:30:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:30:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-12-13 12:30:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-12-13 12:30:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-12-13 12:30:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-12-13 12:30:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-12-13 12:30:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-12-13 12:30:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-12-13 12:30:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-12-13 12:30:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-12-13 12:30:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-12-13 12:30:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-12-13 12:30:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-12-13 12:30:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:30:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-12-13 12:30:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-12-13 12:30:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:30:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-12-13 12:30:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-12-13 12:30:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-12-13 12:30:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-12-13 12:30:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-12-13 12:30:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-12-13 12:30:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-12-13 12:30:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-12-13 12:30:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 12:30:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 12:30:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:30:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:30:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:30:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-12-13 12:30:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-12-13 12:30:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-12-13 12:30:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-12-13 12:30:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-12-13 12:30:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-12-13 12:30:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-12-13 12:30:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-12-13 12:30:15,226 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:30:15,228 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:30:25,789 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:30:25,809 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:30:25,809 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:30:25,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:30:25 BoogieIcfgContainer [2022-12-13 12:30:25,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:30:25,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:30:25,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:30:25,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:30:25,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:30:13" (1/3) ... [2022-12-13 12:30:25,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520e19be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:30:25, skipping insertion in model container [2022-12-13 12:30:25,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:30:14" (2/3) ... [2022-12-13 12:30:25,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520e19be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:30:25, skipping insertion in model container [2022-12-13 12:30:25,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:30:25" (3/3) ... [2022-12-13 12:30:25,821 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M4-1.c [2022-12-13 12:30:25,839 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:30:25,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:30:25,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:30:25,935 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;@32b9bd6b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:30:25,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:30:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 2341 states, 1377 states have (on average 1.198257080610022) internal successors, (1650), 1381 states have internal predecessors, (1650), 940 states have call successors, (940), 22 states have call predecessors, (940), 22 states have return successors, (940), 938 states have call predecessors, (940), 940 states have call successors, (940) [2022-12-13 12:30:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2022-12-13 12:30:26,035 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:30:26,037 INFO L195 NwaCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:26,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:30:26,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:30:26,043 INFO L85 PathProgramCache]: Analyzing trace with hash -590931743, now seen corresponding path program 1 times [2022-12-13 12:30:26,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:30:26,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084215657] [2022-12-13 12:30:26,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:30:26,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms