/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 OctagonDomain -i ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 02:17:42,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 02:17:42,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 02:17:42,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 02:17:42,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 02:17:42,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 02:17:42,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 02:17:42,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 02:17:42,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 02:17:42,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 02:17:42,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 02:17:42,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 02:17:42,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 02:17:42,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 02:17:42,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 02:17:42,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 02:17:42,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 02:17:42,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 02:17:42,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 02:17:42,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 02:17:42,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 02:17:42,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 02:17:42,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 02:17:42,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 02:17:42,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 02:17:42,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 02:17:42,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 02:17:42,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 02:17:42,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 02:17:42,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 02:17:42,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 02:17:42,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 02:17:42,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 02:17:42,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 02:17:42,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 02:17:42,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 02:17:42,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 02:17:42,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 02:17:42,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 02:17:42,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 02:17:42,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 02:17:42,629 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 [2023-04-03 02:17:42,663 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 02:17:42,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 02:17:42,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 02:17:42,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 02:17:42,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 02:17:42,665 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 02:17:42,666 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 02:17:42,666 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 02:17:42,666 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 02:17:42,666 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 02:17:42,667 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 02:17:42,667 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 02:17:42,667 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 02:17:42,667 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 02:17:42,667 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 02:17:42,667 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 02:17:42,668 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 02:17:42,668 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 02:17:42,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 02:17:42,668 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 02:17:42,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 02:17:42,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 02:17:42,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 02:17:42,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 02:17:42,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 02:17:42,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 02:17:42,670 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 02:17:42,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 02:17:42,670 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 02:17:42,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 02:17:42,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 02:17:42,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 02:17:42,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 02:17:42,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 02:17:42,671 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 02:17:42,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 02:17:42,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 02:17:42,671 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 02:17:42,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 02:17:42,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 02:17:42,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 02:17:42,672 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 02:17:42,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 02:17:42,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 02:17:42,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 02:17:42,937 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 02:17:42,938 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 02:17:42,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2023-04-03 02:17:44,167 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 02:17:44,517 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 02:17:44,518 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2023-04-03 02:17:44,545 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02fd9d61/6610698556a745368e076949f4413c2e/FLAGf490613c3 [2023-04-03 02:17:44,560 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02fd9d61/6610698556a745368e076949f4413c2e [2023-04-03 02:17:44,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 02:17:44,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 02:17:44,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 02:17:44,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 02:17:44,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 02:17:44,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 02:17:44" (1/1) ... [2023-04-03 02:17:44,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c7aae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:44, skipping insertion in model container [2023-04-03 02:17:44,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 02:17:44" (1/1) ... [2023-04-03 02:17:44,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 02:17:44,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 02:17:44,905 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.1.c[1868,1881] [2023-04-03 02:17:45,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 02:17:45,586 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 02:17:45,595 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.1.c[1868,1881] [2023-04-03 02:17:45,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 02:17:45,819 INFO L208 MainTranslator]: Completed translation [2023-04-03 02:17:45,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45 WrapperNode [2023-04-03 02:17:45,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 02:17:45,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 02:17:45,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 02:17:45,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 02:17:45,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (1/1) ... [2023-04-03 02:17:45,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (1/1) ... [2023-04-03 02:17:45,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (1/1) ... [2023-04-03 02:17:45,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (1/1) ... [2023-04-03 02:17:46,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (1/1) ... [2023-04-03 02:17:46,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (1/1) ... [2023-04-03 02:17:46,167 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (1/1) ... [2023-04-03 02:17:46,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (1/1) ... [2023-04-03 02:17:46,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 02:17:46,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 02:17:46,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 02:17:46,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 02:17:46,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (1/1) ... [2023-04-03 02:17:46,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 02:17:46,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 02:17:46,306 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) [2023-04-03 02:17:46,317 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 [2023-04-03 02:17:46,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 02:17:46,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-03 02:17:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2023-04-03 02:17:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-03 02:17:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-04-03 02:17:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-04-03 02:17:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2023-04-03 02:17:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-04-03 02:17:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-04-03 02:17:46,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-04-03 02:17:46,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2023-04-03 02:17:46,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2023-04-03 02:17:46,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2023-04-03 02:17:46,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2023-04-03 02:17:46,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-03 02:17:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 02:17:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 02:17:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 02:17:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-03 02:17:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-04-03 02:17:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-04-03 02:17:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-04-03 02:17:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-04-03 02:17:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2023-04-03 02:17:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2023-04-03 02:17:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 02:17:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 02:17:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 02:17:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 02:17:46,884 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 02:17:46,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 02:18:03,909 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 02:18:09,987 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 02:18:09,987 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 02:18:09,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 02:18:09 BoogieIcfgContainer [2023-04-03 02:18:09,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 02:18:09,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 02:18:09,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 02:18:09,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 02:18:10,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 02:17:44" (1/3) ... [2023-04-03 02:18:10,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd5b393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 02:18:10, skipping insertion in model container [2023-04-03 02:18:10,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:45" (2/3) ... [2023-04-03 02:18:10,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd5b393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 02:18:10, skipping insertion in model container [2023-04-03 02:18:10,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 02:18:09" (3/3) ... [2023-04-03 02:18:10,002 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.1.c [2023-04-03 02:18:10,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 02:18:10,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 02:18:10,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 02:18:10,112 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;@68fc22fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 02:18:10,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 02:18:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 1088 states, 663 states have (on average 1.3574660633484164) internal successors, (900), 691 states have internal predecessors, (900), 340 states have call successors, (340), 79 states have call predecessors, (340), 79 states have return successors, (340), 328 states have call predecessors, (340), 340 states have call successors, (340) [2023-04-03 02:18:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-04-03 02:18:10,136 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 02:18:10,137 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] [2023-04-03 02:18:10,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 02:18:10,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 02:18:10,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1643341577, now seen corresponding path program 1 times [2023-04-03 02:18:10,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 02:18:10,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573631164] [2023-04-03 02:18:10,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 02:18:10,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms