./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 88c381f80ede07771f395015e897371ba8d778e07b9cc24c64e290568f2e97f7 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 01:20:03,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 01:20:03,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 01:20:03,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 01:20:03,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 01:20:03,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 01:20:03,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 01:20:03,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 01:20:03,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 01:20:03,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 01:20:03,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 01:20:03,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 01:20:03,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 01:20:04,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 01:20:04,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 01:20:04,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 01:20:04,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 01:20:04,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 01:20:04,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 01:20:04,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 01:20:04,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 01:20:04,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 01:20:04,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 01:20:04,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 01:20:04,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 01:20:04,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 01:20:04,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 01:20:04,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 01:20:04,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 01:20:04,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 01:20:04,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 01:20:04,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 01:20:04,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 01:20:04,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 01:20:04,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 01:20:04,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 01:20:04,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 01:20:04,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 01:20:04,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 01:20:04,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 01:20:04,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 01:20:04,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 01:20:04,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 01:20:04,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 01:20:04,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 01:20:04,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 01:20:04,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 01:20:04,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 01:20:04,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 01:20:04,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 01:20:04,076 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 01:20:04,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 01:20:04,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 01:20:04,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 01:20:04,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 01:20:04,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 01:20:04,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 01:20:04,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 01:20:04,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 01:20:04,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 01:20:04,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 01:20:04,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 01:20:04,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 01:20:04,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 01:20:04,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 01:20:04,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 01:20:04,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:20:04,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 01:20:04,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 01:20:04,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 01:20:04,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 01:20:04,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 01:20:04,081 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 01:20:04,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 01:20:04,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 01:20:04,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 01:20:04,082 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88c381f80ede07771f395015e897371ba8d778e07b9cc24c64e290568f2e97f7 [2021-12-16 01:20:04,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 01:20:04,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 01:20:04,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 01:20:04,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 01:20:04,319 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 01:20:04,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c [2021-12-16 01:20:04,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d32fbf6/bddcc1c7af8b4f0382cb07260ef16419/FLAG4187ef2fe [2021-12-16 01:20:04,987 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 01:20:04,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c [2021-12-16 01:20:05,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d32fbf6/bddcc1c7af8b4f0382cb07260ef16419/FLAG4187ef2fe [2021-12-16 01:20:05,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d32fbf6/bddcc1c7af8b4f0382cb07260ef16419 [2021-12-16 01:20:05,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 01:20:05,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 01:20:05,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 01:20:05,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 01:20:05,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 01:20:05,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:20:05" (1/1) ... [2021-12-16 01:20:05,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78920b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:05, skipping insertion in model container [2021-12-16 01:20:05,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:20:05" (1/1) ... [2021-12-16 01:20:05,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 01:20:05,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 01:20:05,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c[1806,1819] [2021-12-16 01:20:05,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:20:05,990 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 01:20:06,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c[1806,1819] [2021-12-16 01:20:06,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:20:06,333 INFO L208 MainTranslator]: Completed translation [2021-12-16 01:20:06,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06 WrapperNode [2021-12-16 01:20:06,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 01:20:06,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 01:20:06,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 01:20:06,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 01:20:06,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:06,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:06,804 INFO L137 Inliner]: procedures = 70, calls = 5239, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 9786 [2021-12-16 01:20:06,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 01:20:06,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 01:20:06,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 01:20:06,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 01:20:06,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:06,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:06,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:06,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:07,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:07,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:07,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:07,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 01:20:07,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 01:20:07,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 01:20:07,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 01:20:07,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (1/1) ... [2021-12-16 01:20:07,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:20:07,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:20:07,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 01:20:07,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 01:20:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 01:20:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2021-12-16 01:20:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2021-12-16 01:20:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-16 01:20:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-16 01:20:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-12-16 01:20:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-12-16 01:20:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 01:20:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-16 01:20:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-16 01:20:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-16 01:20:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-16 01:20:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-16 01:20:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-16 01:20:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-12-16 01:20:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-12-16 01:20:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 01:20:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-16 01:20:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-16 01:20:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2021-12-16 01:20:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2021-12-16 01:20:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-12-16 01:20:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-12-16 01:20:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2021-12-16 01:20:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2021-12-16 01:20:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-16 01:20:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-16 01:20:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-12-16 01:20:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-12-16 01:20:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2021-12-16 01:20:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2021-12-16 01:20:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-12-16 01:20:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-12-16 01:20:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-12-16 01:20:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-12-16 01:20:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 01:20:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2021-12-16 01:20:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2021-12-16 01:20:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 01:20:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-16 01:20:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-16 01:20:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-12-16 01:20:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-12-16 01:20:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2021-12-16 01:20:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2021-12-16 01:20:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2021-12-16 01:20:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2021-12-16 01:20:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 01:20:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 01:20:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 01:20:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 01:20:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 01:20:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-12-16 01:20:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-12-16 01:20:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-16 01:20:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-16 01:20:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-12-16 01:20:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-12-16 01:20:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2021-12-16 01:20:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2021-12-16 01:20:08,046 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 01:20:08,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 01:20:19,112 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 01:20:19,140 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 01:20:19,140 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 01:20:19,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:20:19 BoogieIcfgContainer [2021-12-16 01:20:19,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 01:20:19,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 01:20:19,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 01:20:19,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 01:20:19,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:20:05" (1/3) ... [2021-12-16 01:20:19,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63599a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:20:19, skipping insertion in model container [2021-12-16 01:20:19,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:20:06" (2/3) ... [2021-12-16 01:20:19,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63599a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:20:19, skipping insertion in model container [2021-12-16 01:20:19,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:20:19" (3/3) ... [2021-12-16 01:20:19,156 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_aso.3.M4.c [2021-12-16 01:20:19,161 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 01:20:19,161 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 01:20:19,228 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 01:20:19,240 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 01:20:19,241 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 01:20:19,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 3589 states, 2050 states have (on average 1.1653658536585365) internal successors, (2389), 2055 states have internal predecessors, (2389), 1511 states have call successors, (1511), 26 states have call predecessors, (1511), 26 states have return successors, (1511), 1509 states have call predecessors, (1511), 1511 states have call successors, (1511) [2021-12-16 01:20:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2021-12-16 01:20:19,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:20:19,400 INFO L514 BasicCegarLoop]: 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] [2021-12-16 01:20:19,401 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:20:19,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:20:19,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1434617797, now seen corresponding path program 1 times [2021-12-16 01:20:19,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:20:19,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468412516] [2021-12-16 01:20:19,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:20:19,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms