./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8 --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 20976b2d8a648a632a55cb7b6a072d8c835d658a3592a366af91723667ead694 --- 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-e04fb08 [2022-11-16 12:12:18,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:12:18,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:12:18,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:12:18,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:12:18,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:12:18,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:12:18,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:12:18,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:12:18,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:12:18,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:12:18,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:12:18,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:12:18,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:12:18,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:12:18,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:12:18,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:12:18,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:12:18,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:12:18,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:12:19,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:12:19,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:12:19,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:12:19,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:12:19,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:12:19,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:12:19,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:12:19,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:12:19,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:12:19,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:12:19,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:12:19,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:12:19,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:12:19,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:12:19,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:12:19,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:12:19,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:12:19,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:12:19,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:12:19,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:12:19,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:12:19,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:12:19,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:12:19,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:12:19,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:12:19,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:12:19,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:12:19,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:12:19,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:12:19,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:12:19,050 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:12:19,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:12:19,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:12:19,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:12:19,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:12:19,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:12:19,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:12:19,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:12:19,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:12:19,053 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:12:19,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:12:19,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:12:19,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:12:19,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:12:19,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:12:19,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:12:19,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:12:19,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:12:19,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:12:19,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:12:19,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:12:19,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:12:19,057 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:12:19,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:12:19,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:12:19,058 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_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20976b2d8a648a632a55cb7b6a072d8c835d658a3592a366af91723667ead694 [2022-11-16 12:12:19,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:12:19,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:12:19,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:12:19,468 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:12:19,469 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:12:19,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c [2022-11-16 12:12:19,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/data/aca712dde/75d6169d88bd40b8a6be21b981771f5f/FLAGb3c1fffea [2022-11-16 12:12:20,422 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:12:20,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c [2022-11-16 12:12:20,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/data/aca712dde/75d6169d88bd40b8a6be21b981771f5f/FLAGb3c1fffea [2022-11-16 12:12:20,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/data/aca712dde/75d6169d88bd40b8a6be21b981771f5f [2022-11-16 12:12:20,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:12:20,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:12:20,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:12:20,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:12:20,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:12:20,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:12:20" (1/1) ... [2022-11-16 12:12:21,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69071daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:20, skipping insertion in model container [2022-11-16 12:12:21,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:12:20" (1/1) ... [2022-11-16 12:12:21,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:12:21,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:12:21,434 WARN L229 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_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c[1807,1820] [2022-11-16 12:12:21,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:12:21,996 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:12:22,014 WARN L229 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_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c[1807,1820] [2022-11-16 12:12:22,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:12:22,512 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:12:22,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22 WrapperNode [2022-11-16 12:12:22,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:12:22,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:12:22,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:12:22,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:12:22,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:22,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,039 INFO L138 Inliner]: procedures = 70, calls = 5237, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 9803 [2022-11-16 12:12:23,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:12:23,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:12:23,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:12:23,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:12:23,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:12:23,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:12:23,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:12:23,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:12:23,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (1/1) ... [2022-11-16 12:12:23,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:12:23,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:12:23,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:12:23,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709fbcc7-7bd3-4a9d-8689-64d0dd7017d0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:12:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:12:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2022-11-16 12:12:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2022-11-16 12:12:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-11-16 12:12:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-11-16 12:12:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-16 12:12:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-16 12:12:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-11-16 12:12:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-11-16 12:12:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:12:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-16 12:12:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-16 12:12:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-16 12:12:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-16 12:12:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-11-16 12:12:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-11-16 12:12:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-11-16 12:12:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-11-16 12:12:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:12:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-16 12:12:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-16 12:12:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-11-16 12:12:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-11-16 12:12:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-11-16 12:12:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-11-16 12:12:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-11-16 12:12:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-11-16 12:12:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-16 12:12:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-16 12:12:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-16 12:12:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-16 12:12:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-16 12:12:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-16 12:12:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:12:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-11-16 12:12:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-11-16 12:12:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:12:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-16 12:12:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-16 12:12:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-11-16 12:12:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-11-16 12:12:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-11-16 12:12:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-11-16 12:12:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-11-16 12:12:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-11-16 12:12:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:12:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:12:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:12:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:12:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:12:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-11-16 12:12:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-11-16 12:12:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-16 12:12:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-16 12:12:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-11-16 12:12:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-11-16 12:12:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-11-16 12:12:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-11-16 12:12:24,767 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:12:24,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:12:44,837 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:12:44,873 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:12:44,873 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:12:44,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:44 BoogieIcfgContainer [2022-11-16 12:12:44,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:12:44,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:12:44,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:12:44,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:12:44,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:12:20" (1/3) ... [2022-11-16 12:12:44,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e567d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:12:44, skipping insertion in model container [2022-11-16 12:12:44,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:22" (2/3) ... [2022-11-16 12:12:44,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e567d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:12:44, skipping insertion in model container [2022-11-16 12:12:44,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:44" (3/3) ... [2022-11-16 12:12:44,893 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M4-2.c [2022-11-16 12:12:44,919 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:12:44,919 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:12:45,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:12:45,104 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;@7df455fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:12:45,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:12:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 3579 states, 2044 states have (on average 1.1653620352250489) internal successors, (2382), 2049 states have internal predecessors, (2382), 1508 states have call successors, (1508), 25 states have call predecessors, (1508), 25 states have return successors, (1508), 1506 states have call predecessors, (1508), 1508 states have call successors, (1508) [2022-11-16 12:12:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2022-11-16 12:12:45,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:45,279 INFO L195 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:12:45,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:45,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:45,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1024813490, now seen corresponding path program 1 times [2022-11-16 12:12:45,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:45,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350379081] [2022-11-16 12:12:45,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:45,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms