/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/rekcba_aso.2.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 02:09:16,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 02:09:16,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 02:09:16,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 02:09:16,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 02:09:16,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 02:09:16,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 02:09:16,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 02:09:16,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 02:09:16,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 02:09:16,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 02:09:16,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 02:09:16,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 02:09:16,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 02:09:16,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 02:09:16,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 02:09:16,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 02:09:16,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 02:09:16,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 02:09:16,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 02:09:16,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 02:09:16,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 02:09:16,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 02:09:16,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 02:09:16,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 02:09:16,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 02:09:16,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 02:09:16,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 02:09:16,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 02:09:16,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 02:09:16,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 02:09:16,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 02:09:16,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 02:09:16,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 02:09:16,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 02:09:16,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 02:09:16,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 02:09:16,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 02:09:16,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 02:09:16,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 02:09:16,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 02:09:16,586 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 02:09:16,609 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 02:09:16,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 02:09:16,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 02:09:16,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 02:09:16,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 02:09:16,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 02:09:16,611 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 02:09:16,611 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 02:09:16,611 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 02:09:16,611 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 02:09:16,611 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 02:09:16,611 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 02:09:16,611 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 02:09:16,611 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 02:09:16,611 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 02:09:16,612 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 02:09:16,612 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 02:09:16,612 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 02:09:16,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 02:09:16,612 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 02:09:16,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 02:09:16,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 02:09:16,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 02:09:16,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 02:09:16,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 02:09:16,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 02:09:16,613 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 02:09:16,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 02:09:16,613 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 02:09:16,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 02:09:16,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 02:09:16,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 02:09:16,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 02:09:16,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 02:09:16,614 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 02:09:16,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 02:09:16,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 02:09:16,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 02:09:16,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 02:09:16,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 02:09:16,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 02:09:16,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 02:09:16,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 02:09:16,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 02:09:16,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 02:09:16,880 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 02:09:16,881 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 02:09:16,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c [2023-04-03 02:09:17,977 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 02:09:18,562 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 02:09:18,562 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c [2023-04-03 02:09:18,607 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/696d29238/06b13cf9ec44438489405ba124b6703d/FLAG08fead864 [2023-04-03 02:09:18,625 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/696d29238/06b13cf9ec44438489405ba124b6703d [2023-04-03 02:09:18,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 02:09:18,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 02:09:18,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 02:09:18,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 02:09:18,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 02:09:18,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 02:09:18" (1/1) ... [2023-04-03 02:09:18,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3e9711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:18, skipping insertion in model container [2023-04-03 02:09:18,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 02:09:18" (1/1) ... [2023-04-03 02:09:18,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 02:09:18,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 02:09:19,154 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/rekcba_aso.2.M4-1.c[2836,2849] [2023-04-03 02:09:20,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 02:09:20,419 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 02:09:20,443 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/rekcba_aso.2.M4-1.c[2836,2849] [2023-04-03 02:09:21,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 02:09:21,261 INFO L208 MainTranslator]: Completed translation [2023-04-03 02:09:21,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21 WrapperNode [2023-04-03 02:09:21,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 02:09:21,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 02:09:21,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 02:09:21,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 02:09:21,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (1/1) ... [2023-04-03 02:09:21,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (1/1) ... [2023-04-03 02:09:21,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (1/1) ... [2023-04-03 02:09:21,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (1/1) ... [2023-04-03 02:09:22,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (1/1) ... [2023-04-03 02:09:22,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (1/1) ... [2023-04-03 02:09:22,961 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (1/1) ... [2023-04-03 02:09:23,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (1/1) ... [2023-04-03 02:09:23,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 02:09:23,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 02:09:23,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 02:09:23,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 02:09:23,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (1/1) ... [2023-04-03 02:09:23,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 02:09:23,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 02:09:23,250 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 02:09:23,252 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 02:09:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 02:09:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-04-03 02:09:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-03 02:09:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i1 [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-03 02:09:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-03 02:09:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2023-04-03 02:09:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2023-04-03 02:09:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 02:09:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-04-03 02:09:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-04-03 02:09:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-04-03 02:09:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-04-03 02:09:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-04-03 02:09:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-04-03 02:09:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-04-03 02:09:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-04-03 02:09:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-03 02:09:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-04-03 02:09:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-04-03 02:09:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-03 02:09:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-03 02:09:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 02:09:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 02:09:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 02:09:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 02:09:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-03 02:09:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i1 [2023-04-03 02:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-03 02:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-03 02:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-03 02:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-03 02:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-03 02:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 02:09:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 02:09:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-04-03 02:09:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-04-03 02:09:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-04-03 02:09:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-04-03 02:09:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-04-03 02:09:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-04-03 02:09:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-04-03 02:09:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-04-03 02:09:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-03 02:09:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-03 02:09:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-04-03 02:09:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-04-03 02:09:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-04-03 02:09:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-04-03 02:09:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-03 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-04-03 02:09:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-03 02:09:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-03 02:09:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2023-04-03 02:09:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-03 02:09:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-03 02:09:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2023-04-03 02:09:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2023-04-03 02:09:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 02:09:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 02:09:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 02:09:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 02:09:25,186 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 02:09:25,188 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 02:12:11,974 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 02:12:13,278 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 02:12:13,279 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 02:12:13,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 02:12:13 BoogieIcfgContainer [2023-04-03 02:12:13,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 02:12:13,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 02:12:13,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 02:12:13,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 02:12:13,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 02:09:18" (1/3) ... [2023-04-03 02:12:13,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f3d5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 02:12:13, skipping insertion in model container [2023-04-03 02:12:13,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:09:21" (2/3) ... [2023-04-03 02:12:13,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f3d5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 02:12:13, skipping insertion in model container [2023-04-03 02:12:13,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 02:12:13" (3/3) ... [2023-04-03 02:12:13,310 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M4-1.c [2023-04-03 02:12:13,326 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 02:12:13,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 02:12:13,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 02:12:13,578 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;@3006d438, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 02:12:13,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 02:12:13,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 12883 states, 8296 states have (on average 1.3049662487945999) internal successors, (10826), 8411 states have internal predecessors, (10826), 4539 states have call successors, (4539), 43 states have call predecessors, (4539), 43 states have return successors, (4539), 4537 states have call predecessors, (4539), 4539 states have call successors, (4539) [2023-04-03 02:12:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4818 [2023-04-03 02:12:13,910 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 02:12:13,913 INFO L195 NwaCegarLoop]: trace histogram [551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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02:12:13,914 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 02:12:13,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 02:12:13,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1808471653, now seen corresponding path program 1 times [2023-04-03 02:12:13,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 02:12:13,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455114813] [2023-04-03 02:12:13,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 02:12:13,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms