./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M4.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_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/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_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/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_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/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 057eb0aaa167d4a282deedb942f5c49b15cbcbec76af173c98e3ad8ae158d7c4 --- 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 20:29:57,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:29:57,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:29:57,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:29:57,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:29:57,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:29:57,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:29:57,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:29:57,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:29:57,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:29:57,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:29:57,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:29:57,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:29:57,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:29:57,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:29:57,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:29:57,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:29:57,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:29:57,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:29:57,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:29:57,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:29:57,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:29:57,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:29:57,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:29:57,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:29:57,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:29:57,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:29:57,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:29:57,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:29:57,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:29:57,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:29:57,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:29:57,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:29:57,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:29:57,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:29:57,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:29:57,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:29:57,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:29:57,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:29:57,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:29:57,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:29:57,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:29:57,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:29:57,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:29:57,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:29:57,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:29:57,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:29:57,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:29:57,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:29:57,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:29:57,387 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:29:57,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:29:57,388 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:29:57,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:29:57,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:29:57,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:29:57,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:29:57,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:29:57,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:29:57,390 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:29:57,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:29:57,390 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:29:57,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:29:57,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:29:57,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:29:57,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:29:57,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:29:57,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:29:57,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:29:57,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:29:57,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:29:57,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:29:57,393 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:29:57,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:29:57,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:29:57,394 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_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 057eb0aaa167d4a282deedb942f5c49b15cbcbec76af173c98e3ad8ae158d7c4 [2022-11-02 20:29:57,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:29:57,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:29:57,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:29:57,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:29:57,731 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:29:57,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M4.c [2022-11-02 20:29:57,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/data/7703f8722/19fb1757e7ad46b7b5fafa8347153973/FLAG8ef0d7070 [2022-11-02 20:29:58,704 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:29:58,707 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M4.c [2022-11-02 20:29:58,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/data/7703f8722/19fb1757e7ad46b7b5fafa8347153973/FLAG8ef0d7070 [2022-11-02 20:29:59,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/data/7703f8722/19fb1757e7ad46b7b5fafa8347153973 [2022-11-02 20:29:59,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:29:59,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:29:59,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:29:59,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:29:59,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:29:59,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:29:59" (1/1) ... [2022-11-02 20:29:59,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcba719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:59, skipping insertion in model container [2022-11-02 20:29:59,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:29:59" (1/1) ... [2022-11-02 20:29:59,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:29:59,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:29:59,665 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_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M4.c[1806,1819] [2022-11-02 20:30:00,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:00,387 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:30:00,404 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_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M4.c[1806,1819] [2022-11-02 20:30:00,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:00,817 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:30:00,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00 WrapperNode [2022-11-02 20:30:00,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:00,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:00,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:30:00,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:30:00,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:00,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:01,436 INFO L138 Inliner]: procedures = 70, calls = 5236, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 9829 [2022-11-02 20:30:01,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:01,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:30:01,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:30:01,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:30:01,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:01,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:01,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:01,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:01,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:01,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:01,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:01,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:02,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:30:02,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:30:02,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:30:02,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:30:02,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (1/1) ... [2022-11-02 20:30:02,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:02,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:02,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:02,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f6f216-c88d-46b3-8f0d-c206ecc2aa1b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:30:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:30:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-11-02 20:30:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-11-02 20:30:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-02 20:30:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-02 20:30:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-11-02 20:30:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-11-02 20:30:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:30:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-02 20:30:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-02 20:30:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-02 20:30:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-02 20:30:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-11-02 20:30:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-11-02 20:30:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-11-02 20:30:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-11-02 20:30:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:30:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-02 20:30:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-02 20:30:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-11-02 20:30:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-11-02 20:30:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-11-02 20:30:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-11-02 20:30:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-11-02 20:30:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-11-02 20:30:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-02 20:30:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-02 20:30:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-02 20:30:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-02 20:30:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-02 20:30:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-02 20:30:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:30:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-11-02 20:30:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-11-02 20:30:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:30:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-02 20:30:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-02 20:30:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-11-02 20:30:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-11-02 20:30:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-11-02 20:30:02,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-11-02 20:30:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-11-02 20:30:02,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-11-02 20:30:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:30:02,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:30:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:30:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:30:02,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:30:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-11-02 20:30:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-11-02 20:30:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-02 20:30:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-02 20:30:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-11-02 20:30:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-11-02 20:30:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-11-02 20:30:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-11-02 20:30:03,139 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:30:03,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:30:20,851 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:30:20,898 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:30:20,899 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:30:20,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:20 BoogieIcfgContainer [2022-11-02 20:30:20,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:30:20,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:30:20,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:30:20,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:30:20,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:29:59" (1/3) ... [2022-11-02 20:30:20,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59502907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:20, skipping insertion in model container [2022-11-02 20:30:20,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:00" (2/3) ... [2022-11-02 20:30:20,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59502907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:20, skipping insertion in model container [2022-11-02 20:30:20,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:20" (3/3) ... [2022-11-02 20:30:20,920 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.4.M4.c [2022-11-02 20:30:20,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:30:20,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:30:21,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:30:21,116 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;@bed96ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:30:21,117 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:30:21,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 3576 states, 2044 states have (on average 1.1653620352250489) internal successors, (2382), 2048 states have internal predecessors, (2382), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1506), 1504 states have call predecessors, (1506), 1506 states have call successors, (1506) [2022-11-02 20:30:21,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2022-11-02 20:30:21,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:21,264 INFO L195 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:30:21,265 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:21,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:21,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2131596560, now seen corresponding path program 1 times [2022-11-02 20:30:21,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:21,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936786083] [2022-11-02 20:30:21,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:21,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms