./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro --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 5e0651820efa05b0d1173e869e8cdb7c85f212e339148a75ab7dde9c1235571e --- 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-8393723 [2022-11-18 20:00:14,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:00:14,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:00:14,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:00:14,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:00:14,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:00:14,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:00:14,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:00:14,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:00:14,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:00:14,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:00:14,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:00:14,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:00:14,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:00:14,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:00:14,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:00:14,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:00:14,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:00:14,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:00:14,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:00:14,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:00:14,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:00:14,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:00:14,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:00:14,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:00:14,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:00:14,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:00:14,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:00:14,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:00:14,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:00:14,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:00:14,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:00:15,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:00:15,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:00:15,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:00:15,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:00:15,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:00:15,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:00:15,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:00:15,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:00:15,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:00:15,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:00:15,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:00:15,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:00:15,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:00:15,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:00:15,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:00:15,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:00:15,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:00:15,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:00:15,034 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:00:15,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:00:15,034 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:00:15,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:00:15,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:00:15,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:00:15,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:00:15,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:00:15,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:00:15,036 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:00:15,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:00:15,036 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:00:15,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:00:15,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:00:15,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:00:15,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:00:15,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:00:15,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:00:15,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:00:15,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:00:15,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:00:15,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:00:15,039 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:00:15,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:00:15,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:00:15,039 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_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e0651820efa05b0d1173e869e8cdb7c85f212e339148a75ab7dde9c1235571e [2022-11-18 20:00:15,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:00:15,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:00:15,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:00:15,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:00:15,375 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:00:15,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c [2022-11-18 20:00:15,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/data/f9ad01fe9/95260164e7594ddeb0737370c6e9044c/FLAG91c3192a2 [2022-11-18 20:00:16,463 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:00:16,464 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c [2022-11-18 20:00:16,515 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/data/f9ad01fe9/95260164e7594ddeb0737370c6e9044c/FLAG91c3192a2 [2022-11-18 20:00:16,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/data/f9ad01fe9/95260164e7594ddeb0737370c6e9044c [2022-11-18 20:00:16,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:00:16,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:00:16,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:00:16,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:00:16,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:00:16,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:00:16" (1/1) ... [2022-11-18 20:00:16,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9e1b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:16, skipping insertion in model container [2022-11-18 20:00:16,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:00:16" (1/1) ... [2022-11-18 20:00:16,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:00:17,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:00:17,486 WARN L234 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_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c[2266,2279] [2022-11-18 20:00:18,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:00:18,749 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:00:18,776 WARN L234 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_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-1.c[2266,2279] [2022-11-18 20:00:19,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:00:19,723 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:00:19,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19 WrapperNode [2022-11-18 20:00:19,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:00:19,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:00:19,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:00:19,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:00:19,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:20,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:21,346 INFO L138 Inliner]: procedures = 101, calls = 11881, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 39268 [2022-11-18 20:00:21,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:00:21,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:00:21,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:00:21,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:00:21,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:21,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:21,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:21,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:22,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:22,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:22,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:23,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:23,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:00:23,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:00:23,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:00:23,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:00:23,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (1/1) ... [2022-11-18 20:00:23,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:00:23,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:00:23,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:00:23,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac6d162-f5eb-469e-94a1-80a9d13c9cb6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:00:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-11-18 20:00:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-11-18 20:00:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-11-18 20:00:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-11-18 20:00:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:00:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-11-18 20:00:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-11-18 20:00:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-18 20:00:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-18 20:00:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-11-18 20:00:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-11-18 20:00:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-11-18 20:00:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-11-18 20:00:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-11-18 20:00:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-11-18 20:00:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-11-18 20:00:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-11-18 20:00:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-11-18 20:00:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-11-18 20:00:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:00:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-18 20:00:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-18 20:00:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-11-18 20:00:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-11-18 20:00:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-11-18 20:00:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-11-18 20:00:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-11-18 20:00:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-11-18 20:00:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-11-18 20:00:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-11-18 20:00:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-11-18 20:00:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-11-18 20:00:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-18 20:00:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-18 20:00:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:00:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-18 20:00:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-18 20:00:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-11-18 20:00:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-11-18 20:00:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-11-18 20:00:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-11-18 20:00:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-11-18 20:00:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-11-18 20:00:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-18 20:00:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-18 20:00:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-11-18 20:00:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-11-18 20:00:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-18 20:00:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-18 20:00:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-11-18 20:00:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-11-18 20:00:23,335 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-11-18 20:00:23,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-11-18 20:00:23,335 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-11-18 20:00:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-11-18 20:00:23,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-11-18 20:00:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-11-18 20:00:23,337 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-11-18 20:00:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-11-18 20:00:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-11-18 20:00:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-11-18 20:00:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-11-18 20:00:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-11-18 20:00:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-11-18 20:00:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-11-18 20:00:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-11-18 20:00:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-11-18 20:00:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-11-18 20:00:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-11-18 20:00:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-11-18 20:00:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-11-18 20:00:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-11-18 20:00:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-11-18 20:00:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-11-18 20:00:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-11-18 20:00:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-11-18 20:00:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-11-18 20:00:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-11-18 20:00:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-11-18 20:00:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-11-18 20:00:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-11-18 20:00:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-11-18 20:00:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-11-18 20:00:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-11-18 20:00:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-11-18 20:00:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-11-18 20:00:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-11-18 20:00:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:00:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-11-18 20:00:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-11-18 20:00:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:00:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:00:25,400 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:00:25,403 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:03:56,459 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:03:56,520 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:03:56,521 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 20:03:56,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:03:56 BoogieIcfgContainer [2022-11-18 20:03:56,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:03:56,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:03:56,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:03:56,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:03:56,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:00:16" (1/3) ... [2022-11-18 20:03:56,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fba3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:03:56, skipping insertion in model container [2022-11-18 20:03:56,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:19" (2/3) ... [2022-11-18 20:03:56,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fba3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:03:56, skipping insertion in model container [2022-11-18 20:03:56,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:03:56" (3/3) ... [2022-11-18 20:03:56,543 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.3-1.c [2022-11-18 20:03:56,566 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:03:56,566 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:03:56,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:03:56,773 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;@79dc26f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:03:56,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:03:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 8447 states, 8032 states have (on average 1.5709661354581674) internal successors, (12618), 8056 states have internal predecessors, (12618), 370 states have call successors, (370), 43 states have call predecessors, (370), 43 states have return successors, (370), 360 states have call predecessors, (370), 370 states have call successors, (370) [2022-11-18 20:03:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3346 [2022-11-18 20:03:57,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:57,072 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:57,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:03:57,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:57,155 INFO L85 PathProgramCache]: Analyzing trace with hash -391326380, now seen corresponding path program 1 times [2022-11-18 20:03:57,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:57,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78657428] [2022-11-18 20:03:57,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:57,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms