./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc --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 bc7a523a551103aeb2dd7ea3e708e9b42a327a50ce055e0932147e1f855a3338 --- 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-5e519f3 [2022-11-02 20:33:06,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:33:06,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:33:06,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:33:06,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:33:06,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:33:06,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:33:06,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:33:06,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:33:06,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:33:06,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:33:06,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:33:06,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:33:06,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:33:06,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:33:06,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:33:06,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:33:06,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:33:06,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:33:06,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:33:06,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:33:06,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:33:06,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:33:06,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:33:06,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:33:06,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:33:06,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:33:06,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:33:06,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:33:06,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:33:06,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:33:06,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:33:06,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:33:06,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:33:06,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:33:06,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:33:06,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:33:06,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:33:06,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:33:06,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:33:06,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:33:06,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:33:06,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:33:06,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:33:06,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:33:06,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:33:06,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:33:06,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:33:06,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:33:06,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:33:06,442 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:33:06,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:33:06,443 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:33:06,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:33:06,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:33:06,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:33:06,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:33:06,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:33:06,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:33:06,445 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:33:06,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:33:06,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:33:06,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:33:06,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:33:06,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:33:06,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:33:06,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:33:06,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:33:06,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:33:06,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:33:06,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:33:06,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:33:06,450 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:33:06,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:33:06,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:33:06,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc7a523a551103aeb2dd7ea3e708e9b42a327a50ce055e0932147e1f855a3338 [2022-11-02 20:33:06,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:33:06,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:33:06,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:33:06,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:33:06,868 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:33:06,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-2.c [2022-11-02 20:33:06,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/data/05bafec94/5e4ed46d23b04f97bb14e098955623fc/FLAGb0be4de81 [2022-11-02 20:33:07,796 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:33:07,797 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-2.c [2022-11-02 20:33:07,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/data/05bafec94/5e4ed46d23b04f97bb14e098955623fc/FLAGb0be4de81 [2022-11-02 20:33:07,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/data/05bafec94/5e4ed46d23b04f97bb14e098955623fc [2022-11-02 20:33:07,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:33:07,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:33:07,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:33:07,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:33:07,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:33:07,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:33:07" (1/1) ... [2022-11-02 20:33:07,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51730bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:07, skipping insertion in model container [2022-11-02 20:33:07,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:33:07" (1/1) ... [2022-11-02 20:33:07,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:33:08,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:33:08,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-2.c[1719,1732] [2022-11-02 20:33:08,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:33:08,893 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:33:08,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-2.c[1719,1732] [2022-11-02 20:33:09,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:33:09,225 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:33:09,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09 WrapperNode [2022-11-02 20:33:09,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:33:09,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:33:09,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:33:09,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:33:09,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,588 INFO L138 Inliner]: procedures = 58, calls = 3154, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 5969 [2022-11-02 20:33:09,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:33:09,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:33:09,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:33:09,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:33:09,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,909 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:33:09,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:33:09,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:33:09,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:33:09,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:33:09,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:09,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:33:10,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f19ef2-0a5f-4790-82ce-657dd90fef8e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:33:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:33:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-11-02 20:33:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-11-02 20:33:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-02 20:33:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-02 20:33:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-11-02 20:33:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-11-02 20:33:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:33:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-02 20:33:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-02 20:33:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-02 20:33:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-02 20:33:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-11-02 20:33:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-11-02 20:33:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:33:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-02 20:33:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-02 20:33:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-11-02 20:33:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-11-02 20:33:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-11-02 20:33:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-11-02 20:33:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-02 20:33:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-02 20:33:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-02 20:33:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-02 20:33:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-02 20:33:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-02 20:33:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:33:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-11-02 20:33:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-11-02 20:33:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:33:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-02 20:33:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-02 20:33:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-11-02 20:33:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-11-02 20:33:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-11-02 20:33:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-11-02 20:33:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-11-02 20:33:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-11-02 20:33:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:33:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:33:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:33:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:33:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:33:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-11-02 20:33:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-11-02 20:33:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-02 20:33:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-02 20:33:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-11-02 20:33:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-11-02 20:33:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-11-02 20:33:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-11-02 20:33:10,928 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:33:10,931 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:33:23,653 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:33:23,683 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:33:23,683 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:33:23,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:23 BoogieIcfgContainer [2022-11-02 20:33:23,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:33:23,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:33:23,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:33:23,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:33:23,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:33:07" (1/3) ... [2022-11-02 20:33:23,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1248c23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:33:23, skipping insertion in model container [2022-11-02 20:33:23,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09" (2/3) ... [2022-11-02 20:33:23,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1248c23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:33:23, skipping insertion in model container [2022-11-02 20:33:23,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:23" (3/3) ... [2022-11-02 20:33:23,703 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M4-2.c [2022-11-02 20:33:23,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:33:23,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:33:23,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:33:23,860 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;@6b7e4905, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:33:23,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:33:23,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 2339 states, 1375 states have (on average 1.1985454545454546) internal successors, (1648), 1380 states have internal predecessors, (1648), 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) [2022-11-02 20:33:23,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2022-11-02 20:33:23,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:23,999 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] [2022-11-02 20:33:24,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:24,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:24,009 INFO L85 PathProgramCache]: Analyzing trace with hash 181886461, now seen corresponding path program 1 times [2022-11-02 20:33:24,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:24,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145263918] [2022-11-02 20:33:24,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:24,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms