/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/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:22:58,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:22:58,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:22:58,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:22:58,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:22:58,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:22:58,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:22:58,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:22:58,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:22:58,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:22:58,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:22:58,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:22:58,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:22:58,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:22:58,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:22:58,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:22:58,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:22:58,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:22:58,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:22:58,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:22:58,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:22:58,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:22:58,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:22:58,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:22:58,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:22:58,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:22:58,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:22:58,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:22:58,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:22:58,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:22:58,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:22:58,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:22:58,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:22:58,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:22:58,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:22:58,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:22:58,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:22:58,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:22:58,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:22:58,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:22:58,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:22:58,788 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 01:22:58,805 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:22:58,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:22:58,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:22:58,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:22:58,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:22:58,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:22:58,806 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:22:58,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:22:58,806 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:22:58,807 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:22:58,807 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:22:58,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:22:58,807 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:22:58,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:22:58,807 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:22:58,807 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:22:58,807 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:22:58,807 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:22:58,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:22:58,808 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:22:58,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:22:58,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:22:58,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:22:58,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:22:59,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:22:59,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:22:59,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:22:59,044 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:22:59,053 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:22:59,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2023-04-03 01:23:00,085 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:23:00,231 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:23:00,233 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2023-04-03 01:23:00,238 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a213bd5/b0f5c210380e489abba121740fb3efff/FLAGe08d42723 [2023-04-03 01:23:00,247 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a213bd5/b0f5c210380e489abba121740fb3efff [2023-04-03 01:23:00,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:23:00,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:23:00,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:23:00,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:23:00,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:23:00,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db87bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00, skipping insertion in model container [2023-04-03 01:23:00,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:23:00,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:23:00,369 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/systemc/pc_sfifo_3.cil.c[640,653] [2023-04-03 01:23:00,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:23:00,413 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:23:00,420 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/systemc/pc_sfifo_3.cil.c[640,653] [2023-04-03 01:23:00,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:23:00,449 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:23:00,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00 WrapperNode [2023-04-03 01:23:00,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:23:00,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:23:00,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:23:00,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:23:00,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,489 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:23:00,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:23:00,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:23:00,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:23:00,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (1/1) ... [2023-04-03 01:23:00,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:23:00,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:23:00,516 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 01:23:00,528 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 01:23:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:23:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:23:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:23:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-04-03 01:23:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2023-04-03 01:23:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2023-04-03 01:23:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2023-04-03 01:23:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2023-04-03 01:23:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2023-04-03 01:23:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-04-03 01:23:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2023-04-03 01:23:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2023-04-03 01:23:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2023-04-03 01:23:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2023-04-03 01:23:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:23:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:23:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:23:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:23:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:23:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:23:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:23:00,629 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:23:00,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:23:00,895 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2023-04-03 01:23:00,895 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2023-04-03 01:23:00,904 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:23:01,010 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:23:01,010 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 01:23:01,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:23:01 BoogieIcfgContainer [2023-04-03 01:23:01,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:23:01,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:23:01,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:23:01,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:23:01,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:23:00" (1/3) ... [2023-04-03 01:23:01,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45296f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:23:01, skipping insertion in model container [2023-04-03 01:23:01,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:23:00" (2/3) ... [2023-04-03 01:23:01,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45296f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:23:01, skipping insertion in model container [2023-04-03 01:23:01,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:23:01" (3/3) ... [2023-04-03 01:23:01,017 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2023-04-03 01:23:01,039 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:23:01,040 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:23:01,088 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:23:01,094 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;@4825f8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:23:01,094 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:23:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 75 states have internal predecessors, (94), 29 states have call successors, (29), 20 states have call predecessors, (29), 20 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-03 01:23:01,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-03 01:23:01,104 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:23:01,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:23:01,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:23:01,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:23:01,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1472241545, now seen corresponding path program 1 times [2023-04-03 01:23:01,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:23:01,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924564390] [2023-04-03 01:23:01,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:23:01,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:23:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:23:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:23:01,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:23:01,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924564390] [2023-04-03 01:23:01,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924564390] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:23:01,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:23:01,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:23:01,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247165939] [2023-04-03 01:23:01,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:23:01,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:23:01,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:23:01,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:23:01,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:23:01,593 INFO L87 Difference]: Start difference. First operand has 119 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 75 states have internal predecessors, (94), 29 states have call successors, (29), 20 states have call predecessors, (29), 20 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 9 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 6 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-03 01:23:02,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:23:02,966 INFO L93 Difference]: Finished difference Result 866 states and 1301 transitions. [2023-04-03 01:23:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-04-03 01:23:02,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 6 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) Word has length 59 [2023-04-03 01:23:02,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:23:02,980 INFO L225 Difference]: With dead ends: 866 [2023-04-03 01:23:02,980 INFO L226 Difference]: Without dead ends: 720 [2023-04-03 01:23:02,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=701, Unknown=0, NotChecked=0, Total=870 [2023-04-03 01:23:02,986 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1687 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 1064 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1694 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1064 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:23:02,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1694 Valid, 769 Invalid, 2261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1064 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 01:23:02,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2023-04-03 01:23:03,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 602. [2023-04-03 01:23:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 377 states have (on average 1.339522546419098) internal successors, (505), 418 states have internal predecessors, (505), 124 states have call successors, (124), 90 states have call predecessors, (124), 100 states have return successors, (155), 119 states have call predecessors, (155), 120 states have call successors, (155) [2023-04-03 01:23:03,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 784 transitions. [2023-04-03 01:23:03,084 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 784 transitions. Word has length 59 [2023-04-03 01:23:03,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:23:03,084 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 784 transitions. [2023-04-03 01:23:03,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 6 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2023-04-03 01:23:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 784 transitions. [2023-04-03 01:23:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-04-03 01:23:03,093 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:23:03,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:23:03,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:23:03,093 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:23:03,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:23:03,094 INFO L85 PathProgramCache]: Analyzing trace with hash 209968864, now seen corresponding path program 1 times [2023-04-03 01:23:03,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:23:03,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854658770] [2023-04-03 01:23:03,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:23:03,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:23:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:23:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:23:03,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:23:03,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854658770] [2023-04-03 01:23:03,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854658770] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:23:03,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:23:03,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:23:03,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95177153] [2023-04-03 01:23:03,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:23:03,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:23:03,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:23:03,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:23:03,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:23:03,235 INFO L87 Difference]: Start difference. First operand 602 states and 784 transitions. Second operand has 9 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 5 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-03 01:23:04,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:23:04,049 INFO L93 Difference]: Finished difference Result 1749 states and 2543 transitions. [2023-04-03 01:23:04,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-03 01:23:04,050 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 5 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) Word has length 60 [2023-04-03 01:23:04,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:23:04,051 INFO L225 Difference]: With dead ends: 1749 [2023-04-03 01:23:04,051 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:23:04,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-04-03 01:23:04,062 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 1100 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 712 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:23:04,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 610 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [712 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 01:23:04,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:23:04,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:23:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:23:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:23:04,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2023-04-03 01:23:04,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:23:04,066 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:23:04,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 5 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-03 01:23:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:23:04,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:23:04,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:23:04,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:23:04,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:23:06,874 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:23:06,874 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:23:06,874 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-04-03 01:23:06,874 INFO L895 garLoopResultBuilder]: At program point L559(line 559) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,874 INFO L895 garLoopResultBuilder]: At program point L559-1(line 559) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,875 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 554 565) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,875 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 554 565) no Hoare annotation was computed. [2023-04-03 01:23:06,875 INFO L899 garLoopResultBuilder]: For program point errorEXIT(lines 15 22) no Hoare annotation was computed. [2023-04-03 01:23:06,875 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 15 22) the Hoare annotation is: true [2023-04-03 01:23:06,875 INFO L899 garLoopResultBuilder]: For program point errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-04-03 01:23:06,875 INFO L902 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: true [2023-04-03 01:23:06,875 INFO L902 garLoopResultBuilder]: At program point L463-1(line 463) the Hoare annotation is: true [2023-04-03 01:23:06,875 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 457 475) the Hoare annotation is: true [2023-04-03 01:23:06,875 INFO L899 garLoopResultBuilder]: For program point stop_simulationEXIT(lines 457 475) no Hoare annotation was computed. [2023-04-03 01:23:06,875 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 101) no Hoare annotation was computed. [2023-04-03 01:23:06,875 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 104) no Hoare annotation was computed. [2023-04-03 01:23:06,875 INFO L899 garLoopResultBuilder]: For program point L95-2(lines 94 118) no Hoare annotation was computed. [2023-04-03 01:23:06,876 INFO L902 garLoopResultBuilder]: At program point L116(lines 94 118) the Hoare annotation is: true [2023-04-03 01:23:06,876 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 111) no Hoare annotation was computed. [2023-04-03 01:23:06,876 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 91 119) the Hoare annotation is: true [2023-04-03 01:23:06,876 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 105 114) no Hoare annotation was computed. [2023-04-03 01:23:06,876 INFO L899 garLoopResultBuilder]: For program point is_do_read_c_triggeredEXIT(lines 91 119) no Hoare annotation was computed. [2023-04-03 01:23:06,876 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 307 324) the Hoare annotation is: true [2023-04-03 01:23:06,876 INFO L899 garLoopResultBuilder]: For program point fire_delta_eventsEXIT(lines 307 324) no Hoare annotation was computed. [2023-04-03 01:23:06,876 INFO L899 garLoopResultBuilder]: For program point reset_time_eventsEXIT(lines 361 378) no Hoare annotation was computed. [2023-04-03 01:23:06,876 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 361 378) the Hoare annotation is: true [2023-04-03 01:23:06,876 INFO L902 garLoopResultBuilder]: At program point L385(line 385) the Hoare annotation is: true [2023-04-03 01:23:06,876 INFO L902 garLoopResultBuilder]: At program point L387-2(lines 387 391) the Hoare annotation is: true [2023-04-03 01:23:06,876 INFO L899 garLoopResultBuilder]: For program point L385-1(line 385) no Hoare annotation was computed. [2023-04-03 01:23:06,876 INFO L899 garLoopResultBuilder]: For program point activate_threadsEXIT(lines 379 403) no Hoare annotation was computed. [2023-04-03 01:23:06,877 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 379 403) the Hoare annotation is: true [2023-04-03 01:23:06,877 INFO L899 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2023-04-03 01:23:06,877 INFO L899 garLoopResultBuilder]: For program point exists_runnable_threadEXIT(lines 287 306) no Hoare annotation was computed. [2023-04-03 01:23:06,877 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 287 306) the Hoare annotation is: true [2023-04-03 01:23:06,877 INFO L899 garLoopResultBuilder]: For program point update_fifo_qEXIT(lines 32 51) no Hoare annotation was computed. [2023-04-03 01:23:06,877 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 32 51) the Hoare annotation is: (let ((.cse0 (not (= ~c_dr_pc~0 0))) (.cse1 (= ~p_dw_pc~0 1)) (.cse2 (= ~q_req_up~0 1))) (and (or .cse0 .cse1 (= ~q_req_up~0 |old(~q_req_up~0)|)) (or .cse2 .cse0 (not .cse1) (not (= ~p_dw_pc~0 |old(~q_req_up~0)|))) (or .cse2 (not (= ~c_dr_pc~0 |old(~q_req_up~0)|)) (not (= ~c_dr_pc~0 1))))) [2023-04-03 01:23:06,877 INFO L899 garLoopResultBuilder]: For program point reset_delta_eventsEXIT(lines 325 342) no Hoare annotation was computed. [2023-04-03 01:23:06,877 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 325 342) the Hoare annotation is: true [2023-04-03 01:23:06,877 INFO L899 garLoopResultBuilder]: For program point init_threadsEXIT(lines 269 286) no Hoare annotation was computed. [2023-04-03 01:23:06,877 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 269 286) the Hoare annotation is: true [2023-04-03 01:23:06,877 INFO L895 garLoopResultBuilder]: At program point L188(lines 145 193) the Hoare annotation is: (let ((.cse9 (= |old(~p_dw_pc~0)| 1)) (.cse10 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse8 (= ~p_dw_pc~0 1))) (let ((.cse5 (not (= ~c_dr_pc~0 0))) (.cse0 (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|))) (.cse1 (and (= ~q_req_up~0 0) .cse8)) (.cse3 (not (= |old(~q_req_up~0)| 0))) (.cse4 (and (not .cse8) .cse10)) (.cse6 (not .cse9)) (.cse7 (and (= ~q_req_up~0 1) .cse8)) (.cse2 (not (= ~c_dr_pc~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse5 .cse8 .cse9) (or .cse0 .cse1 (not (= ~c_dr_pc~0 |old(~q_req_up~0)|)) .cse3) (or .cse4 .cse6 .cse7 .cse2) (or (and .cse8 .cse10) .cse7 .cse2 .cse9)))) [2023-04-03 01:23:06,878 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 159) no Hoare annotation was computed. [2023-04-03 01:23:06,878 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 145 193) the Hoare annotation is: (let ((.cse2 (= |old(~p_dw_pc~0)| 1)) (.cse9 (= ~p_dw_pc~0 1)) (.cse10 (= ~q_req_up~0 |old(~q_req_up~0)|))) (let ((.cse3 (= ~p_dw_pc~0 0)) (.cse4 (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|))) (.cse5 (not (= |old(~q_req_up~0)| 0))) (.cse0 (and (not .cse9) .cse10)) (.cse1 (not (= ~c_dr_pc~0 1))) (.cse6 (not (= ~c_dr_pc~0 0))) (.cse7 (not .cse2)) (.cse8 (and .cse9 .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse5) (or .cse3 .cse4 (not (= ~c_dr_pc~0 |old(~q_req_up~0)|)) .cse5) (or .cse0 .cse6 .cse2) (or .cse7 .cse8 .cse1) (or .cse6 .cse7 .cse8)))) [2023-04-03 01:23:06,878 INFO L895 garLoopResultBuilder]: At program point $Ultimate##13(lines 171 179) the Hoare annotation is: (let ((.cse0 (not (= ~c_dr_pc~0 0))) (.cse3 (= |old(~p_dw_pc~0)| 1)) (.cse1 (and (= ~p_dw_pc~0 1) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse2 (not (= ~c_dr_pc~0 1)))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse0 .cse3) (or .cse1 .cse2))) [2023-04-03 01:23:06,878 INFO L895 garLoopResultBuilder]: At program point L164-1(lines 164 187) the Hoare annotation is: (let ((.cse9 (= ~q_req_up~0 1)) (.cse10 (= ~p_dw_pc~0 1)) (.cse2 (= |old(~p_dw_pc~0)| 1))) (let ((.cse0 (not (= ~c_dr_pc~0 0))) (.cse5 (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|))) (.cse6 (= ~q_req_up~0 0)) (.cse7 (not (= |old(~q_req_up~0)| 0))) (.cse3 (not .cse2)) (.cse4 (and .cse9 .cse10)) (.cse8 (not (= ~c_dr_pc~0 1))) (.cse1 (not .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse5 .cse6 (not (= ~c_dr_pc~0 |old(~q_req_up~0)|)) .cse7) (or .cse5 .cse6 .cse8 .cse7) (or .cse3 .cse4 .cse8) (or (and .cse1 (= ~q_req_up~0 |old(~q_req_up~0)|)) .cse8 .cse2 (and .cse9 .cse1))))) [2023-04-03 01:23:06,878 INFO L899 garLoopResultBuilder]: For program point do_write_pEXIT(lines 145 193) no Hoare annotation was computed. [2023-04-03 01:23:06,878 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 160) no Hoare annotation was computed. [2023-04-03 01:23:06,878 INFO L895 garLoopResultBuilder]: At program point L171(lines 171 179) the Hoare annotation is: (let ((.cse2 (= |old(~p_dw_pc~0)| 1)) (.cse8 (= ~p_dw_pc~0 1)) (.cse9 (= ~q_req_up~0 |old(~q_req_up~0)|))) (let ((.cse0 (and (not .cse8) .cse9)) (.cse3 (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|))) (.cse4 (not (= |old(~q_req_up~0)| 0))) (.cse1 (not (= ~c_dr_pc~0 1))) (.cse5 (not (= ~c_dr_pc~0 0))) (.cse6 (not .cse2)) (.cse7 (and .cse8 .cse9))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse5 .cse2) (or .cse3 (not (= ~c_dr_pc~0 |old(~q_req_up~0)|)) .cse4) (or .cse6 .cse7 .cse1) (or .cse5 .cse6 .cse7)))) [2023-04-03 01:23:06,878 INFO L899 garLoopResultBuilder]: For program point L126(line 126) no Hoare annotation was computed. [2023-04-03 01:23:06,878 INFO L899 garLoopResultBuilder]: For program point L128-2(lines 128 132) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L899 garLoopResultBuilder]: For program point L126-1(line 126) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L899 garLoopResultBuilder]: For program point immediate_notify_threadsEXIT(lines 120 144) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 120 144) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L899 garLoopResultBuilder]: For program point fire_time_eventsEXIT(lines 345 360) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 345 360) the Hoare annotation is: true [2023-04-03 01:23:06,879 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~q_req_up~0 |old(~q_req_up~0)|) [2023-04-03 01:23:06,879 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L899 garLoopResultBuilder]: For program point L415-1(lines 410 450) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L899 garLoopResultBuilder]: For program point L413(line 413) no Hoare annotation was computed. [2023-04-03 01:23:06,879 INFO L895 garLoopResultBuilder]: At program point L411(line 411) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (= |old(~c_dr_pc~0)| 1)) (and (= ~q_req_up~0 1) .cse0) (and .cse0 (= ~q_req_up~0 |old(~q_req_up~0)|))) (or (not (= |old(~c_dr_pc~0)| 0)) .cse0 (= ~c_dr_pc~0 0)))) [2023-04-03 01:23:06,879 INFO L895 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (= |old(~c_dr_pc~0)| 1)) (and (= ~q_req_up~0 1) .cse0) (and .cse0 (= ~q_req_up~0 |old(~q_req_up~0)|))) (or (not (= |old(~c_dr_pc~0)| 0)) .cse0 (= ~c_dr_pc~0 0)))) [2023-04-03 01:23:06,880 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 404 456) the Hoare annotation is: (let ((.cse3 (= ~p_dw_pc~0 1)) (.cse8 (= |old(~p_dw_pc~0)| 1))) (let ((.cse1 (not .cse8)) (.cse2 (= ~c_dr_pc~0 1)) (.cse5 (not (= |old(~c_dr_pc~0)| 0))) (.cse7 (not .cse3)) (.cse4 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse6 (= ~c_dr_pc~0 0)) (.cse9 (= ~p_dw_pc~0 0)) (.cse10 (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|))) (.cse0 (not (= |old(~c_dr_pc~0)| 1))) (.cse11 (not (= |old(~q_req_up~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse5 (and .cse3 .cse4 .cse6) .cse1) (or .cse0 (and .cse2 .cse7 .cse4) .cse8) (or .cse5 (and .cse7 .cse4 .cse6) .cse8) (or .cse9 .cse10 (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) .cse11) (or .cse9 .cse10 .cse0 .cse11)))) [2023-04-03 01:23:06,880 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 431) no Hoare annotation was computed. [2023-04-03 01:23:06,880 INFO L899 garLoopResultBuilder]: For program point L420(lines 410 450) no Hoare annotation was computed. [2023-04-03 01:23:06,880 INFO L895 garLoopResultBuilder]: At program point L451(lines 404 456) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (= |old(~c_dr_pc~0)| 1)) (and (= ~q_req_up~0 1) .cse0) (and .cse0 (= ~q_req_up~0 |old(~q_req_up~0)|))) (or (not (= |old(~c_dr_pc~0)| 0)) .cse0 (= ~c_dr_pc~0 0)))) [2023-04-03 01:23:06,880 INFO L899 garLoopResultBuilder]: For program point evalEXIT(lines 404 456) no Hoare annotation was computed. [2023-04-03 01:23:06,880 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 446) no Hoare annotation was computed. [2023-04-03 01:23:06,880 INFO L895 garLoopResultBuilder]: At program point L435(lines 410 450) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (= |old(~c_dr_pc~0)| 1)) (and (= ~q_req_up~0 1) .cse0) (and .cse0 (= ~q_req_up~0 |old(~q_req_up~0)|))) (or (not (= |old(~c_dr_pc~0)| 0)) .cse0 (= ~c_dr_pc~0 0)))) [2023-04-03 01:23:06,880 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (= |old(~c_dr_pc~0)| 1)) (and (= ~q_req_up~0 1) .cse0) (and .cse0 (= ~q_req_up~0 |old(~q_req_up~0)|))) (or (not (= |old(~c_dr_pc~0)| 0)) .cse0 (= ~c_dr_pc~0 0)))) [2023-04-03 01:23:06,880 INFO L899 garLoopResultBuilder]: For program point update_channelsEXIT(lines 254 268) no Hoare annotation was computed. [2023-04-03 01:23:06,880 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 254 268) the Hoare annotation is: (let ((.cse0 (= ~q_req_up~0 |old(~q_req_up~0)|))) (and (or .cse0 (not (= ~c_dr_pc~0 1))) (or (not (= ~c_dr_pc~0 0)) .cse0))) [2023-04-03 01:23:06,881 INFO L895 garLoopResultBuilder]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (and (= ~q_req_up~0 1) (= |old(~q_req_up~0)| 1))) (.cse1 (not (= ~c_dr_pc~0 0)))) (and (or .cse0 (not (= ~c_dr_pc~0 1))) (or (not (= ~c_dr_pc~0 |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) (or .cse1 (not (= ~p_dw_pc~0 1)) .cse0) (or .cse1 (= ~q_req_up~0 |old(~q_req_up~0)|)))) [2023-04-03 01:23:06,881 INFO L899 garLoopResultBuilder]: For program point L258(lines 254 268) no Hoare annotation was computed. [2023-04-03 01:23:06,881 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 519) no Hoare annotation was computed. [2023-04-03 01:23:06,881 INFO L895 garLoopResultBuilder]: At program point L510-1(lines 510 519) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,881 INFO L899 garLoopResultBuilder]: For program point L508(line 508) no Hoare annotation was computed. [2023-04-03 01:23:06,881 INFO L899 garLoopResultBuilder]: For program point start_simulationEXIT(lines 476 534) no Hoare annotation was computed. [2023-04-03 01:23:06,881 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,881 INFO L902 garLoopResultBuilder]: At program point L529(lines 476 534) the Hoare annotation is: true [2023-04-03 01:23:06,881 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2023-04-03 01:23:06,881 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 476 534) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,881 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-04-03 01:23:06,881 INFO L895 garLoopResultBuilder]: At program point L486(line 486) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L895 garLoopResultBuilder]: At program point L484(line 484) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L895 garLoopResultBuilder]: At program point L484-1(line 484) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L895 garLoopResultBuilder]: At program point L513(line 513) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L895 garLoopResultBuilder]: At program point L513-1(line 513) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L895 garLoopResultBuilder]: At program point L505(line 505) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L895 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L895 garLoopResultBuilder]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L895 garLoopResultBuilder]: At program point L499(line 499) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L899 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2023-04-03 01:23:06,882 INFO L895 garLoopResultBuilder]: At program point L495(line 495) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,882 INFO L899 garLoopResultBuilder]: For program point L495-1(line 495) no Hoare annotation was computed. [2023-04-03 01:23:06,883 INFO L895 garLoopResultBuilder]: At program point L491-1(lines 491 528) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,883 INFO L895 garLoopResultBuilder]: At program point L487(line 487) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,883 INFO L895 garLoopResultBuilder]: At program point L485(line 485) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,883 INFO L895 garLoopResultBuilder]: At program point L514(line 514) the Hoare annotation is: (or (not (= |old(~p_dw_pc~0)| |old(~q_req_up~0)|)) (= ~c_dr_pc~0 1) (= ~c_dr_pc~0 0) (not (= |old(~c_dr_pc~0)| |old(~q_req_up~0)|)) (not (= |old(~q_req_up~0)| 0))) [2023-04-03 01:23:06,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:23:06,883 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~p_dw_pc~0 0) (= ~q_req_up~0 0) (= ~c_dr_pc~0 0)) [2023-04-03 01:23:06,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:23:06,883 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:23:06,883 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 65 89) no Hoare annotation was computed. [2023-04-03 01:23:06,883 INFO L902 garLoopResultBuilder]: At program point L87(lines 65 89) the Hoare annotation is: true [2023-04-03 01:23:06,883 INFO L899 garLoopResultBuilder]: For program point is_do_write_p_triggeredEXIT(lines 62 90) no Hoare annotation was computed. [2023-04-03 01:23:06,883 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 82) no Hoare annotation was computed. [2023-04-03 01:23:06,883 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 85) no Hoare annotation was computed. [2023-04-03 01:23:06,883 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 62 90) the Hoare annotation is: true [2023-04-03 01:23:06,884 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 72) no Hoare annotation was computed. [2023-04-03 01:23:06,884 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 75) no Hoare annotation was computed. [2023-04-03 01:23:06,884 INFO L899 garLoopResultBuilder]: For program point do_read_cEXIT(lines 195 253) no Hoare annotation was computed. [2023-04-03 01:23:06,884 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (and (not (= |old(~c_dr_pc~0)| 0)) (not (= |old(~c_dr_pc~0)| 1))) [2023-04-03 01:23:06,884 INFO L895 garLoopResultBuilder]: At program point L244-1(lines 210 247) the Hoare annotation is: (let ((.cse0 (= ~q_req_up~0 |old(~q_req_up~0)|))) (and (or (not (= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 0))) (or (not (= |old(~c_dr_pc~0)| 1)) (and (= ~c_dr_pc~0 1) .cse0)))) [2023-04-03 01:23:06,884 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 246) no Hoare annotation was computed. [2023-04-03 01:23:06,884 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 195 253) the Hoare annotation is: (let ((.cse0 (= ~q_req_up~0 |old(~q_req_up~0)|))) (and (or (not (= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 0))) (or (not (= |old(~c_dr_pc~0)| 1)) (and (= ~c_dr_pc~0 1) .cse0)))) [2023-04-03 01:23:06,884 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 207) no Hoare annotation was computed. [2023-04-03 01:23:06,884 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: (and (not (= |old(~c_dr_pc~0)| 0)) (not (= |old(~c_dr_pc~0)| 1))) [2023-04-03 01:23:06,884 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 241) no Hoare annotation was computed. [2023-04-03 01:23:06,884 INFO L895 garLoopResultBuilder]: At program point L202(lines 202 206) the Hoare annotation is: (and (not (= |old(~c_dr_pc~0)| 0)) (or (not (= |old(~c_dr_pc~0)| 1)) (and (= ~c_dr_pc~0 1) (= ~q_req_up~0 |old(~q_req_up~0)|)))) [2023-04-03 01:23:06,884 INFO L899 garLoopResultBuilder]: For program point init_modelEXIT(lines 535 553) no Hoare annotation was computed. [2023-04-03 01:23:06,885 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 535 553) the Hoare annotation is: (or (not (= ~q_req_up~0 0)) (not (= |old(~p_dw_pc~0)| ~q_req_up~0)) (not (= ~q_req_up~0 |old(~c_dr_pc~0)|)) (and (= ~p_dw_pc~0 0) (= ~c_dr_pc~0 0))) [2023-04-03 01:23:06,887 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-04-03 01:23:06,888 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:23:06,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:23:06 BoogieIcfgContainer [2023-04-03 01:23:06,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:23:06,928 INFO L158 Benchmark]: Toolchain (without parser) took 6677.72ms. Allocated memory was 184.5MB in the beginning and 330.3MB in the end (delta: 145.8MB). Free memory was 133.5MB in the beginning and 194.7MB in the end (delta: -61.3MB). Peak memory consumption was 179.0MB. Max. memory is 8.0GB. [2023-04-03 01:23:06,928 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:23:06,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.72ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 119.5MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-04-03 01:23:06,928 INFO L158 Benchmark]: Boogie Preprocessor took 41.71ms. Allocated memory is still 184.5MB. Free memory was 119.5MB in the beginning and 117.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-04-03 01:23:06,928 INFO L158 Benchmark]: RCFGBuilder took 519.12ms. Allocated memory was 184.5MB in the beginning and 265.3MB in the end (delta: 80.7MB). Free memory was 117.4MB in the beginning and 228.3MB in the end (delta: -110.9MB). Peak memory consumption was 42.2MB. Max. memory is 8.0GB. [2023-04-03 01:23:06,929 INFO L158 Benchmark]: TraceAbstraction took 5913.63ms. Allocated memory was 265.3MB in the beginning and 330.3MB in the end (delta: 65.0MB). Free memory was 227.8MB in the beginning and 194.7MB in the end (delta: 33.0MB). Peak memory consumption was 191.4MB. Max. memory is 8.0GB. [2023-04-03 01:23:06,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 199.72ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 119.5MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.71ms. Allocated memory is still 184.5MB. Free memory was 119.5MB in the beginning and 117.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 519.12ms. Allocated memory was 184.5MB in the beginning and 265.3MB in the end (delta: 80.7MB). Free memory was 117.4MB in the beginning and 228.3MB in the end (delta: -110.9MB). Peak memory consumption was 42.2MB. Max. memory is 8.0GB. * TraceAbstraction took 5913.63ms. Allocated memory was 265.3MB in the beginning and 330.3MB in the end (delta: 65.0MB). Free memory was 227.8MB in the beginning and 194.7MB in the end (delta: 33.0MB). Peak memory consumption was 191.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2799 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2787 mSDsluCounter, 1379 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1038 mSDsCounter, 1776 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2073 IncrementalHoareTripleChecker+Invalid, 3849 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1776 mSolverCounterUnsat, 341 mSDtfsCounter, 2073 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=1, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 118 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1011 PreInvPairs, 1969 NumberOfFragments, 1372 HoareAnnotationTreeSize, 1011 FomulaSimplifications, 6427 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 61 FomulaSimplificationsInter, 14030 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (((!(c_dr_pc == 0) || (p_dw_pc == 1 && q_req_up == \old(q_req_up))) && (!(c_dr_pc == 1) || \old(p_dw_pc) == 1)) && (!(c_dr_pc == 0) || \old(p_dw_pc) == 1)) && ((p_dw_pc == 1 && q_req_up == \old(q_req_up)) || !(c_dr_pc == 1)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((!(c_dr_pc == 0) || !(p_dw_pc == 1)) || \old(p_dw_pc) == 1) && ((!(c_dr_pc == 0) || !(\old(p_dw_pc) == 1)) || (q_req_up == 1 && p_dw_pc == 1))) && (((!(\old(p_dw_pc) == \old(q_req_up)) || q_req_up == 0) || !(c_dr_pc == \old(q_req_up))) || !(\old(q_req_up) == 0))) && (((!(\old(p_dw_pc) == \old(q_req_up)) || q_req_up == 0) || !(c_dr_pc == 1)) || !(\old(q_req_up) == 0))) && ((!(\old(p_dw_pc) == 1) || (q_req_up == 1 && p_dw_pc == 1)) || !(c_dr_pc == 1))) && ((((!(p_dw_pc == 1) && q_req_up == \old(q_req_up)) || !(c_dr_pc == 1)) || \old(p_dw_pc) == 1) || (q_req_up == 1 && !(p_dw_pc == 1))) - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((!(\old(p_dw_pc) == \old(q_req_up)) || c_dr_pc == 1) || c_dr_pc == 0) || !(\old(c_dr_pc) == \old(q_req_up))) || !(\old(q_req_up) == 0) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ((!(\old(c_dr_pc) == 1) || (q_req_up == 1 && c_dr_pc == 1)) || (c_dr_pc == 1 && q_req_up == \old(q_req_up))) && ((!(\old(c_dr_pc) == 0) || c_dr_pc == 1) || c_dr_pc == 0) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((!(\old(c_dr_pc) == 1) || (q_req_up == 1 && c_dr_pc == 1)) || (c_dr_pc == 1 && q_req_up == \old(q_req_up))) && ((!(\old(c_dr_pc) == 0) || c_dr_pc == 1) || c_dr_pc == 0) - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (!(\old(c_dr_pc) == 0) || (q_req_up == \old(q_req_up) && c_dr_pc == 0)) && (!(\old(c_dr_pc) == 1) || (c_dr_pc == 1 && q_req_up == \old(q_req_up))) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: !(\old(c_dr_pc) == 0) && (!(\old(c_dr_pc) == 1) || (c_dr_pc == 1 && q_req_up == \old(q_req_up))) - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((((!(\old(p_dw_pc) == \old(q_req_up)) || (q_req_up == 0 && p_dw_pc == 1)) || !(c_dr_pc == 1)) || !(\old(q_req_up) == 0)) && ((((!(p_dw_pc == 1) && q_req_up == \old(q_req_up)) || !(c_dr_pc == 0)) || !(\old(p_dw_pc) == 1)) || (q_req_up == 1 && p_dw_pc == 1))) && ((!(c_dr_pc == 0) || p_dw_pc == 1) || \old(p_dw_pc) == 1)) && (((!(\old(p_dw_pc) == \old(q_req_up)) || (q_req_up == 0 && p_dw_pc == 1)) || !(c_dr_pc == \old(q_req_up))) || !(\old(q_req_up) == 0))) && ((((!(p_dw_pc == 1) && q_req_up == \old(q_req_up)) || !(\old(p_dw_pc) == 1)) || (q_req_up == 1 && p_dw_pc == 1)) || !(c_dr_pc == 1))) && ((((p_dw_pc == 1 && q_req_up == \old(q_req_up)) || (q_req_up == 1 && p_dw_pc == 1)) || !(c_dr_pc == 1)) || \old(p_dw_pc) == 1) - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (((((((!(p_dw_pc == 1) && q_req_up == \old(q_req_up)) || !(c_dr_pc == 1)) || \old(p_dw_pc) == 1) && ((!(\old(p_dw_pc) == \old(q_req_up)) || !(c_dr_pc == 1)) || !(\old(q_req_up) == 0))) && (((!(p_dw_pc == 1) && q_req_up == \old(q_req_up)) || !(c_dr_pc == 0)) || \old(p_dw_pc) == 1)) && ((!(\old(p_dw_pc) == \old(q_req_up)) || !(c_dr_pc == \old(q_req_up))) || !(\old(q_req_up) == 0))) && ((!(\old(p_dw_pc) == 1) || (p_dw_pc == 1 && q_req_up == \old(q_req_up))) || !(c_dr_pc == 1))) && ((!(c_dr_pc == 0) || !(\old(p_dw_pc) == 1)) || (p_dw_pc == 1 && q_req_up == \old(q_req_up))) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:23:06,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...