./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6fd990ee5a3d1196da7f04012a4fa03f310aee567403c5800bf2a09c38760f5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:54:20,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:54:20,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:54:20,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:54:20,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:54:20,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:54:20,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:54:20,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:54:20,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:54:20,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:54:20,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:54:20,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:54:20,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:54:20,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:54:20,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:54:20,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:54:20,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:54:20,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:54:20,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:54:20,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:54:20,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:54:20,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:54:20,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:54:20,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:54:20,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:54:20,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:54:20,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:54:20,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:54:20,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:54:20,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:54:20,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:54:20,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:54:20,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:54:20,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:54:20,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:54:20,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:54:20,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:54:20,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:54:20,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:54:20,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:54:20,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:54:20,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 13:54:20,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:54:20,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:54:20,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:54:20,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:54:20,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:54:20,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:54:20,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:54:20,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:54:20,792 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:54:20,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:54:20,792 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:54:20,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:54:20,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:54:20,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:54:20,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:54:20,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:54:20,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:54:20,793 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:54:20,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:54:20,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:54:20,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:54:20,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:54:20,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:54:20,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:54:20,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:54:20,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:54:20,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:54:20,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:54:20,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:54:20,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:54:20,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:54:20,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:54:20,796 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:54:20,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:54:20,796 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:54:20,796 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6fd990ee5a3d1196da7f04012a4fa03f310aee567403c5800bf2a09c38760f5 [2022-12-13 13:54:20,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:54:20,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:54:20,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:54:20,984 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:54:20,985 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:54:20,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2022-12-13 13:54:23,515 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:54:23,872 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:54:23,872 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2022-12-13 13:54:23,899 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/data/1c6df022a/272766f3b0b04d2c8720b563ddb96902/FLAGd96848433 [2022-12-13 13:54:24,089 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/data/1c6df022a/272766f3b0b04d2c8720b563ddb96902 [2022-12-13 13:54:24,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:54:24,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:54:24,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:54:24,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:54:24,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:54:24,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:54:24" (1/1) ... [2022-12-13 13:54:24,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b03a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:24, skipping insertion in model container [2022-12-13 13:54:24,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:54:24" (1/1) ... [2022-12-13 13:54:24,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:54:24,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:54:24,395 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c[2215,2228] [2022-12-13 13:54:24,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:54:24,934 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:54:24,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c[2215,2228] [2022-12-13 13:54:25,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:54:25,286 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:54:25,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25 WrapperNode [2022-12-13 13:54:25,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:54:25,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:54:25,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:54:25,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:54:25,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:25,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:25,650 INFO L138 Inliner]: procedures = 101, calls = 6644, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 21123 [2022-12-13 13:54:25,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:54:25,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:54:25,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:54:25,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:54:25,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:25,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:25,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:25,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:25,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:26,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:26,068 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:26,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:26,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:54:26,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:54:26,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:54:26,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:54:26,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (1/1) ... [2022-12-13 13:54:26,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:54:26,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:54:26,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:54:26,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcc3b40-6f94-4cd1-bff4-86ecb7d15c55/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:54:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-12-13 13:54:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-12-13 13:54:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-12-13 13:54:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-12-13 13:54:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:54:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 13:54:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 13:54:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-12-13 13:54:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-12-13 13:54:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-12-13 13:54:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-12-13 13:54:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-12-13 13:54:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-12-13 13:54:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-12-13 13:54:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-12-13 13:54:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-12-13 13:54:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-12-13 13:54:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 13:54:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 13:54:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:54:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-12-13 13:54:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-12-13 13:54:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-12-13 13:54:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-12-13 13:54:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-12-13 13:54:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-12-13 13:54:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-12-13 13:54:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-12-13 13:54:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-12-13 13:54:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-12-13 13:54:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-12-13 13:54:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-12-13 13:54:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-12-13 13:54:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-12-13 13:54:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:54:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-12-13 13:54:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-12-13 13:54:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-12-13 13:54:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-12-13 13:54:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-12-13 13:54:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-12-13 13:54:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-12-13 13:54:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-12-13 13:54:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-12-13 13:54:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-12-13 13:54:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-12-13 13:54:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-12-13 13:54:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-12-13 13:54:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-12-13 13:54:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-12-13 13:54:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-12-13 13:54:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-12-13 13:54:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-12-13 13:54:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-12-13 13:54:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-12-13 13:54:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-12-13 13:54:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-12-13 13:54:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-12-13 13:54:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-12-13 13:54:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-12-13 13:54:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-12-13 13:54:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 13:54:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 13:54:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-12-13 13:54:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-12-13 13:54:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-12-13 13:54:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-12-13 13:54:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-12-13 13:54:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-12-13 13:54:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-12-13 13:54:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-12-13 13:54:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-12-13 13:54:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-12-13 13:54:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-12-13 13:54:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-12-13 13:54:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-12-13 13:54:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-12-13 13:54:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-12-13 13:54:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-12-13 13:54:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-12-13 13:54:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-12-13 13:54:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-12-13 13:54:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-12-13 13:54:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-12-13 13:54:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-12-13 13:54:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-12-13 13:54:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-12-13 13:54:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2022-12-13 13:54:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2022-12-13 13:54:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:54:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-12-13 13:54:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-12-13 13:54:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:54:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:54:26,995 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:54:26,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:55:16,426 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:55:16,447 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:55:16,447 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 13:55:16,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:55:16 BoogieIcfgContainer [2022-12-13 13:55:16,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:55:16,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:55:16,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:55:16,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:55:16,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:54:24" (1/3) ... [2022-12-13 13:55:16,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b8279b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:55:16, skipping insertion in model container [2022-12-13 13:55:16,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:25" (2/3) ... [2022-12-13 13:55:16,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b8279b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:55:16, skipping insertion in model container [2022-12-13 13:55:16,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:55:16" (3/3) ... [2022-12-13 13:55:16,460 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-2.c [2022-12-13 13:55:16,473 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:55:16,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:55:16,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:55:16,561 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;@db4ccd5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:55:16,561 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:55:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 4816 states, 4428 states have (on average 1.5474254742547426) internal successors, (6852), 4452 states have internal predecessors, (6852), 342 states have call successors, (342), 44 states have call predecessors, (342), 44 states have return successors, (342), 332 states have call predecessors, (342), 342 states have call successors, (342) [2022-12-13 13:55:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2022-12-13 13:55:16,740 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:55:16,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:55:16,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:55:16,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1566952982, now seen corresponding path program 1 times [2022-12-13 13:55:16,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:55:16,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217140897] [2022-12-13 13:55:16,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:16,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms