/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:02:45,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:02:45,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:02:45,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:02:45,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:02:45,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:02:45,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:02:45,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:02:45,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:02:45,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:02:45,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:02:45,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:02:45,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:02:45,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:02:45,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:02:45,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:02:45,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:02:45,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:02:45,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:02:45,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:02:45,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:02:45,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:02:45,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:02:45,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:02:45,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:02:45,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:02:45,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:02:45,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:02:45,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:02:45,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:02:45,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:02:45,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:02:45,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:02:45,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:02:45,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:02:45,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:02:45,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:02:45,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:02:45,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:02:45,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:02:45,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:02:45,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:02:45,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:02:45,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:02:45,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:02:45,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:02:45,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:02:45,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:02:45,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:02:45,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:02:45,642 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:02:45,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:02:45,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:02:45,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:02:45,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:02:45,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:02:45,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:02:45,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:02:45,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:02:45,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:02:45,644 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:02:45,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:02:45,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:02:45,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:02:45,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:02:45,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:02:45,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:02:45,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:02:45,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:02:45,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:02:45,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:02:45,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:02:45,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:02:45,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:02:45,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:02:45,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:02:46,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:02:46,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:02:46,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:02:46,055 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:02:46,056 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:02:46,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c [2022-10-15 22:02:46,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8330e565a/4bdf8dd24f424a469b8c8c9e86ba2c4c/FLAG6fe011e9a [2022-10-15 22:02:46,979 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:02:46,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c [2022-10-15 22:02:47,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8330e565a/4bdf8dd24f424a469b8c8c9e86ba2c4c/FLAG6fe011e9a [2022-10-15 22:02:47,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8330e565a/4bdf8dd24f424a469b8c8c9e86ba2c4c [2022-10-15 22:02:47,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:02:47,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:02:47,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:02:47,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:02:47,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:02:47,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:02:47" (1/1) ... [2022-10-15 22:02:47,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a61f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:47, skipping insertion in model container [2022-10-15 22:02:47,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:02:47" (1/1) ... [2022-10-15 22:02:47,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:02:47,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:02:47,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c[1806,1819] [2022-10-15 22:02:48,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:02:48,221 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:02:48,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c[1806,1819] [2022-10-15 22:02:48,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:02:48,766 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:02:48,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48 WrapperNode [2022-10-15 22:02:48,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:02:48,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:02:48,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:02:48,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:02:48,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:49,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:49,442 INFO L138 Inliner]: procedures = 70, calls = 5190, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 9732 [2022-10-15 22:02:49,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:02:49,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:02:49,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:02:49,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:02:49,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:49,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:49,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:49,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:49,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:49,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:49,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:49,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:50,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:02:50,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:02:50,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:02:50,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:02:50,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (1/1) ... [2022-10-15 22:02:50,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:02:50,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:02:50,054 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) [2022-10-15 22:02:50,072 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 [2022-10-15 22:02:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:02:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-10-15 22:02:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-10-15 22:02:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-15 22:02:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-15 22:02:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-15 22:02:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-15 22:02:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 22:02:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-15 22:02:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-15 22:02:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-15 22:02:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-15 22:02:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-10-15 22:02:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-10-15 22:02:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-15 22:02:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-15 22:02:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 22:02:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-15 22:02:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-15 22:02:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2022-10-15 22:02:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2022-10-15 22:02:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-15 22:02:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-15 22:02:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-10-15 22:02:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-10-15 22:02:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-10-15 22:02:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-10-15 22:02:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-15 22:02:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-15 22:02:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2022-10-15 22:02:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2022-10-15 22:02:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-15 22:02:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-15 22:02:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-10-15 22:02:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-10-15 22:02:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 22:02:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 22:02:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-15 22:02:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-15 22:02:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-15 22:02:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-15 22:02:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-10-15 22:02:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-10-15 22:02:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-10-15 22:02:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-10-15 22:02:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 22:02:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 22:02:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:02:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:02:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:02:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-15 22:02:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-15 22:02:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-15 22:02:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-15 22:02:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-15 22:02:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-15 22:02:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-10-15 22:02:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-10-15 22:02:50,910 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:02:50,913 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:03:11,949 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:03:11,978 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:03:11,978 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 22:03:11,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:03:11 BoogieIcfgContainer [2022-10-15 22:03:11,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:03:11,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:03:11,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:03:11,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:03:11,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:02:47" (1/3) ... [2022-10-15 22:03:11,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5becdd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:03:11, skipping insertion in model container [2022-10-15 22:03:11,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:02:48" (2/3) ... [2022-10-15 22:03:11,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5becdd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:03:11, skipping insertion in model container [2022-10-15 22:03:11,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:03:11" (3/3) ... [2022-10-15 22:03:11,995 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.3.M1.c [2022-10-15 22:03:12,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:03:12,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-10-15 22:03:12,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:03:12,173 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;@1401ff04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:03:12,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-10-15 22:03:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 3626 states, 2069 states have (on average 1.1739971000483325) internal successors, (2429), 2095 states have internal predecessors, (2429), 1509 states have call successors, (1509), 25 states have call predecessors, (1509), 25 states have return successors, (1509), 1507 states have call predecessors, (1509), 1509 states have call successors, (1509) [2022-10-15 22:03:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1385 [2022-10-15 22:03:12,311 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:03:12,314 INFO L195 NwaCegarLoop]: trace histogram [208, 208, 208, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:03:12,315 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __startrek_entry_pt_OSEK_Task_ts1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__startrek_entry_pt_OSEK_Task_ts1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, __startrek_entry_pt_OSEK_Task_ts1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2022-10-15 22:03:12,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:03:12,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1051193262, now seen corresponding path program 1 times [2022-10-15 22:03:12,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:03:12,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877092653] [2022-10-15 22:03:12,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:03:12,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms