/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 00:21:15,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 00:21:15,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 00:21:15,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 00:21:15,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 00:21:15,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 00:21:15,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 00:21:15,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 00:21:15,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 00:21:15,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 00:21:15,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 00:21:15,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 00:21:15,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 00:21:15,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 00:21:15,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 00:21:15,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 00:21:15,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 00:21:15,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 00:21:15,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 00:21:15,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 00:21:15,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 00:21:15,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 00:21:15,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 00:21:15,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 00:21:15,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 00:21:15,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 00:21:15,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 00:21:15,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 00:21:15,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 00:21:15,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 00:21:15,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 00:21:15,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 00:21:15,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 00:21:15,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 00:21:15,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 00:21:15,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 00:21:15,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 00:21:15,258 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 00:21:15,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 00:21:15,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 00:21:15,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 00:21:15,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 00:21:15,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 00:21:15,260 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 00:21:15,260 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 00:21:15,260 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 00:21:15,260 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 00:21:15,261 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 00:21:15,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 00:21:15,261 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 00:21:15,261 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 00:21:15,261 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 00:21:15,262 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 00:21:15,262 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 00:21:15,262 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 00:21:15,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 00:21:15,263 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 00:21:15,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 00:21:15,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 00:21:15,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 00:21:15,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 00:21:15,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 00:21:15,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 00:21:15,268 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 00:21:15,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 00:21:15,268 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 00:21:15,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 00:21:15,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 00:21:15,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 00:21:15,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 00:21:15,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 00:21:15,269 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 00:21:15,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 00:21:15,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 00:21:15,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 00:21:15,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 00:21:15,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 00:21:15,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 00:21:15,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 00:21:15,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 00:21:15,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 00:21:15,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 00:21:15,471 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 00:21:15,471 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 00:21:15,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2023-04-01 00:21:16,385 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 00:21:16,690 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 00:21:16,691 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2023-04-01 00:21:16,711 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6acf0533/ae2d488faffd479da0ba90bd88a5f185/FLAGc0836f0a4 [2023-04-01 00:21:16,992 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6acf0533/ae2d488faffd479da0ba90bd88a5f185 [2023-04-01 00:21:16,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 00:21:16,997 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 00:21:16,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 00:21:16,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 00:21:17,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 00:21:17,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:21:16" (1/1) ... [2023-04-01 00:21:17,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1805914e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17, skipping insertion in model container [2023-04-01 00:21:17,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:21:16" (1/1) ... [2023-04-01 00:21:17,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 00:21:17,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 00:21:17,241 WARN L247 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_ctm.2-1.c[1871,1884] [2023-04-01 00:21:17,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 00:21:17,707 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 00:21:17,716 WARN L247 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_ctm.2-1.c[1871,1884] [2023-04-01 00:21:17,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 00:21:17,896 INFO L208 MainTranslator]: Completed translation [2023-04-01 00:21:17,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17 WrapperNode [2023-04-01 00:21:17,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 00:21:17,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 00:21:17,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 00:21:17,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 00:21:17,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (1/1) ... [2023-04-01 00:21:17,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (1/1) ... [2023-04-01 00:21:17,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (1/1) ... [2023-04-01 00:21:17,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (1/1) ... [2023-04-01 00:21:18,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (1/1) ... [2023-04-01 00:21:18,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (1/1) ... [2023-04-01 00:21:18,138 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (1/1) ... [2023-04-01 00:21:18,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (1/1) ... [2023-04-01 00:21:18,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 00:21:18,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 00:21:18,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 00:21:18,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 00:21:18,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (1/1) ... [2023-04-01 00:21:18,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 00:21:18,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 00:21:18,212 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) [2023-04-01 00:21:18,223 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 [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-01 00:21:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2023-04-01 00:21:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-01 00:21:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-04-01 00:21:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 00:21:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-04-01 00:21:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-04-01 00:21:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-04-01 00:21:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-04-01 00:21:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-04-01 00:21:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-04-01 00:21:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-04-01 00:21:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-04-01 00:21:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-04-01 00:21:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-04-01 00:21:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-04-01 00:21:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2023-04-01 00:21:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2023-04-01 00:21:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-04-01 00:21:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-04-01 00:21:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-04-01 00:21:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-04-01 00:21:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-04-01 00:21:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-04-01 00:21:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-04-01 00:21:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-04-01 00:21:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2023-04-01 00:21:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-04-01 00:21:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-04-01 00:21:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-04-01 00:21:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2023-04-01 00:21:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2023-04-01 00:21:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2023-04-01 00:21:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2023-04-01 00:21:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-01 00:21:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 00:21:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-04-01 00:21:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-04-01 00:21:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2023-04-01 00:21:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-04-01 00:21:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-04-01 00:21:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-04-01 00:21:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2023-04-01 00:21:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2023-04-01 00:21:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-04-01 00:21:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2023-04-01 00:21:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-04-01 00:21:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2023-04-01 00:21:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-04-01 00:21:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-04-01 00:21:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2023-04-01 00:21:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-04-01 00:21:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 00:21:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 00:21:18,845 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 00:21:18,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 00:21:32,658 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 00:21:36,720 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 00:21:36,720 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 00:21:36,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:21:36 BoogieIcfgContainer [2023-04-01 00:21:36,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 00:21:36,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 00:21:36,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 00:21:36,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 00:21:36,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 12:21:16" (1/3) ... [2023-04-01 00:21:36,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2537ebb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:21:36, skipping insertion in model container [2023-04-01 00:21:36,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:21:17" (2/3) ... [2023-04-01 00:21:36,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2537ebb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:21:36, skipping insertion in model container [2023-04-01 00:21:36,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:21:36" (3/3) ... [2023-04-01 00:21:36,732 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2023-04-01 00:21:36,745 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 00:21:36,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 00:21:36,795 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 00:21:36,799 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=FINITE_AUTOMATA, 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;@1e5488f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 00:21:36,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 00:21:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 1079 states, 657 states have (on average 1.356164383561644) internal successors, (891), 685 states have internal predecessors, (891), 337 states have call successors, (337), 79 states have call predecessors, (337), 79 states have return successors, (337), 325 states have call predecessors, (337), 337 states have call successors, (337) [2023-04-01 00:21:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-04-01 00:21:36,816 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 00:21:36,817 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] [2023-04-01 00:21:36,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 00:21:36,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 00:21:36,823 INFO L85 PathProgramCache]: Analyzing trace with hash 430915691, now seen corresponding path program 1 times [2023-04-01 00:21:36,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 00:21:36,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476819653] [2023-04-01 00:21:36,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 00:21:36,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms