./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.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_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/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_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/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_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/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 c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 --- 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 21:57:42,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:57:42,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:57:42,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:57:42,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:57:42,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:57:42,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:57:42,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:57:42,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:57:42,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:57:42,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:57:42,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:57:42,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:57:42,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:57:42,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:57:42,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:57:42,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:57:42,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:57:42,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:57:42,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:57:42,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:57:42,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:57:42,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:57:42,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:57:42,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:57:42,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:57:42,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:57:42,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:57:42,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:57:42,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:57:42,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:57:42,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:57:42,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:57:42,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:57:42,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:57:42,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:57:42,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:57:42,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:57:42,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:57:42,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:57:42,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:57:42,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 21:57:42,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:57:42,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:57:42,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:57:42,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:57:42,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:57:42,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:57:42,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:57:42,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:57:42,959 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:57:42,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:57:42,959 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:57:42,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:57:42,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:57:42,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:57:42,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:57:42,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:57:42,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:57:42,960 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:57:42,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:57:42,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:57:42,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:57:42,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:57:42,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:57:42,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:57:42,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:57:42,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:57:42,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:57:42,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:57:42,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:57:42,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:57:42,961 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:57:42,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:57:42,962 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:57:42,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:57:42,962 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:57:42,962 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_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 [2022-12-13 21:57:43,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:57:43,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:57:43,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:57:43,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:57:43,149 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:57:43,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2022-12-13 21:57:45,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:57:46,067 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:57:46,068 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2022-12-13 21:57:46,082 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/data/d9759ac73/fc8e930a864c409eada3594c2e92bc28/FLAGee81fbb12 [2022-12-13 21:57:46,092 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/data/d9759ac73/fc8e930a864c409eada3594c2e92bc28 [2022-12-13 21:57:46,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:57:46,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:57:46,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:57:46,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:57:46,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:57:46,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:46,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6999c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46, skipping insertion in model container [2022-12-13 21:57:46,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:46,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:57:46,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:57:46,297 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_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2022-12-13 21:57:46,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:57:46,665 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:57:46,675 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_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2022-12-13 21:57:46,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:57:46,845 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:57:46,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46 WrapperNode [2022-12-13 21:57:46,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:57:46,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:57:46,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:57:46,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:57:46,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:46,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,048 INFO L138 Inliner]: procedures = 99, calls = 2727, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8247 [2022-12-13 21:57:47,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:57:47,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:57:47,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:57:47,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:57:47,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:57:47,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:57:47,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:57:47,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:57:47,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (1/1) ... [2022-12-13 21:57:47,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:57:47,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:57:47,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:57:47,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f50cb-adac-4c35-bc0f-bb625c4444ae/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:57:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-12-13 21:57:47,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-12-13 21:57:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-12-13 21:57:47,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-12-13 21:57:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:57:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 21:57:47,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 21:57:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-12-13 21:57:47,346 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-12-13 21:57:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-12-13 21:57:47,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-12-13 21:57:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-12-13 21:57:47,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-12-13 21:57:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-12-13 21:57:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-12-13 21:57:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-12-13 21:57:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-12-13 21:57:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-12-13 21:57:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-12-13 21:57:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 21:57:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 21:57:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:57:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-12-13 21:57:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-12-13 21:57:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-12-13 21:57:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-12-13 21:57:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-12-13 21:57:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-12-13 21:57:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-12-13 21:57:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-12-13 21:57:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-12-13 21:57:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-12-13 21:57:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-12-13 21:57:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-12-13 21:57:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-12-13 21:57:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-12-13 21:57:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:57:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-12-13 21:57:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-12-13 21:57:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-12-13 21:57:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-12-13 21:57:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-12-13 21:57:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-12-13 21:57:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-12-13 21:57:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-12-13 21:57:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-12-13 21:57:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-12-13 21:57:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-12-13 21:57:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-12-13 21:57:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-12-13 21:57:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-12-13 21:57:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-12-13 21:57:47,351 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-12-13 21:57:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-12-13 21:57:47,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-12-13 21:57:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-12-13 21:57:47,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-12-13 21:57:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-12-13 21:57:47,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-12-13 21:57:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-12-13 21:57:47,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-12-13 21:57:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-12-13 21:57:47,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-12-13 21:57:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 21:57:47,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 21:57:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-12-13 21:57:47,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-12-13 21:57:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-12-13 21:57:47,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-12-13 21:57:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-12-13 21:57:47,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-12-13 21:57:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-12-13 21:57:47,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-12-13 21:57:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-12-13 21:57:47,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-12-13 21:57:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-12-13 21:57:47,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-12-13 21:57:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-12-13 21:57:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-12-13 21:57:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-12-13 21:57:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-12-13 21:57:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-12-13 21:57:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-12-13 21:57:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-12-13 21:57:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-12-13 21:57:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-12-13 21:57:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-12-13 21:57:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-12-13 21:57:47,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-12-13 21:57:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:57:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-12-13 21:57:47,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-12-13 21:57:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:57:47,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:57:47,787 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:57:47,789 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:58:01,205 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:58:01,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:58:01,223 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 21:58:01,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:58:01 BoogieIcfgContainer [2022-12-13 21:58:01,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:58:01,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:58:01,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:58:01,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:58:01,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:57:46" (1/3) ... [2022-12-13 21:58:01,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2812a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:58:01, skipping insertion in model container [2022-12-13 21:58:01,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:57:46" (2/3) ... [2022-12-13 21:58:01,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2812a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:58:01, skipping insertion in model container [2022-12-13 21:58:01,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:58:01" (3/3) ... [2022-12-13 21:58:01,235 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.1.c [2022-12-13 21:58:01,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:58:01,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:58:01,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:58:01,330 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;@2e3b1834, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:58:01,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:58:01,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 2464 states, 2113 states have (on average 1.480832938949361) internal successors, (3129), 2137 states have internal predecessors, (3129), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) [2022-12-13 21:58:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 21:58:01,356 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:58:01,357 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] [2022-12-13 21:58:01,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:58:01,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:58:01,362 INFO L85 PathProgramCache]: Analyzing trace with hash 463341211, now seen corresponding path program 1 times [2022-12-13 21:58:01,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:58:01,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977921254] [2022-12-13 21:58:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:58:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms