./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa --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 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:05:25,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:05:25,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:05:25,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:05:25,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:05:25,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:05:25,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:05:25,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:05:25,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:05:25,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:05:25,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:05:25,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:05:25,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:05:25,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:05:25,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:05:25,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:05:25,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:05:25,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:05:25,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:05:25,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:05:25,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:05:25,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:05:25,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:05:25,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:05:25,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:05:25,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:05:25,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:05:25,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:05:25,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:05:25,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:05:25,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:05:25,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:05:25,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:05:25,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:05:25,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:05:25,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:05:25,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:05:25,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:05:25,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:05:25,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:05:25,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:05:25,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 21:05:25,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:05:25,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:05:25,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:05:25,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:05:25,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:05:25,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:05:25,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:05:25,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:05:25,693 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:05:25,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:05:25,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 21:05:25,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:05:25,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 21:05:25,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:05:25,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:05:25,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:05:25,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:05:25,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 21:05:25,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:05:25,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:05:25,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:05:25,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:05:25,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:05:25,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:05:25,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:05:25,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:05:25,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:05:25,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:05:25,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:05:25,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:05:25,696 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:05:25,696 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:05:25,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:05:25,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:05:25,696 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_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 [2021-12-06 21:05:25,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:05:25,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:05:25,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:05:25,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:05:25,909 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:05:25,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2021-12-06 21:05:25,954 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/data/71341f2ea/03836428f7964467aae3cf6382fbebee/FLAG5f60df729 [2021-12-06 21:05:26,582 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:05:26,582 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2021-12-06 21:05:26,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/data/71341f2ea/03836428f7964467aae3cf6382fbebee/FLAG5f60df729 [2021-12-06 21:05:26,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/data/71341f2ea/03836428f7964467aae3cf6382fbebee [2021-12-06 21:05:26,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:05:26,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:05:26,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:05:26,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:05:26,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:05:26,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:05:26" (1/1) ... [2021-12-06 21:05:26,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aee9ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:26, skipping insertion in model container [2021-12-06 21:05:26,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:05:26" (1/1) ... [2021-12-06 21:05:27,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:05:27,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:05:27,368 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_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c[2313,2326] [2021-12-06 21:05:28,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:05:28,097 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:05:28,107 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_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c[2313,2326] [2021-12-06 21:05:28,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:05:28,616 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:05:28,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28 WrapperNode [2021-12-06 21:05:28,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:05:28,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:05:28,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:05:28,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:05:28,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:28,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:29,395 INFO L137 Inliner]: procedures = 62, calls = 19341, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 41961 [2021-12-06 21:05:29,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:05:29,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:05:29,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:05:29,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:05:29,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:29,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:29,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:29,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:30,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:30,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:30,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:30,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:05:30,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:05:30,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:05:30,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:05:30,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (1/1) ... [2021-12-06 21:05:30,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:05:30,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:30,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:05:30,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef524bd7-cb90-4584-a7ac-6ee23ea6e3b1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:05:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:05:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2021-12-06 21:05:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2021-12-06 21:05:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-06 21:05:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-06 21:05:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-12-06 21:05:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-12-06 21:05:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 21:05:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-06 21:05:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-06 21:05:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-06 21:05:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-06 21:05:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-12-06 21:05:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-12-06 21:05:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 21:05:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-06 21:05:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-06 21:05:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-12-06 21:05:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-12-06 21:05:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2021-12-06 21:05:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2021-12-06 21:05:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-12-06 21:05:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-12-06 21:05:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-12-06 21:05:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-12-06 21:05:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-12-06 21:05:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-12-06 21:05:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 21:05:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 21:05:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-06 21:05:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-06 21:05:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-12-06 21:05:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-12-06 21:05:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2021-12-06 21:05:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2021-12-06 21:05:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2021-12-06 21:05:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2021-12-06 21:05:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 21:05:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 21:05:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:05:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:05:30,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:05:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-12-06 21:05:30,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-12-06 21:05:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-06 21:05:30,524 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-06 21:05:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-12-06 21:05:30,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-12-06 21:05:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2021-12-06 21:05:30,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2021-12-06 21:05:31,535 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:05:31,537 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:05:59,806 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:05:59,849 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:05:59,849 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 21:05:59,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:05:59 BoogieIcfgContainer [2021-12-06 21:05:59,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:05:59,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:05:59,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:05:59,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:05:59,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:05:26" (1/3) ... [2021-12-06 21:05:59,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60df5962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:05:59, skipping insertion in model container [2021-12-06 21:05:59,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:28" (2/3) ... [2021-12-06 21:05:59,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60df5962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:05:59, skipping insertion in model container [2021-12-06 21:05:59,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:05:59" (3/3) ... [2021-12-06 21:05:59,865 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-1.c [2021-12-06 21:05:59,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:05:59,869 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:05:59,932 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:05:59,937 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 21:05:59,938 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:06:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 12640 states, 8209 states have (on average 1.3097819466439273) internal successors, (10752), 8321 states have internal predecessors, (10752), 4408 states have call successors, (4408), 21 states have call predecessors, (4408), 21 states have return successors, (4408), 4406 states have call predecessors, (4408), 4408 states have call successors, (4408) [2021-12-06 21:06:00,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2021-12-06 21:06:00,605 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:06:00,609 INFO L514 BasicCegarLoop]: trace histogram [551, 551, 551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:06:00,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:06:00,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1738140415, now seen corresponding path program 1 times [2021-12-06 21:06:00,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:06:00,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312409689] [2021-12-06 21:06:00,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:06:00,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms