/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/SifaC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 11:58:14,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 11:58:14,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 11:58:14,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 11:58:14,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 11:58:14,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 11:58:14,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 11:58:14,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 11:58:14,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 11:58:14,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 11:58:14,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 11:58:14,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 11:58:14,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 11:58:14,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 11:58:14,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 11:58:14,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 11:58:14,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 11:58:14,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 11:58:14,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 11:58:14,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 11:58:14,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 11:58:14,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 11:58:14,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 11:58:14,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 11:58:14,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 11:58:14,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 11:58:14,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 11:58:14,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 11:58:14,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 11:58:14,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 11:58:14,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 11:58:14,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 11:58:14,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 11:58:14,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 11:58:14,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 11:58:14,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 11:58:14,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 11:58:14,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 11:58:14,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 11:58:14,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 11:58:14,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 11:58:14,455 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 [2023-03-31 11:58:14,469 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 11:58:14,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 11:58:14,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 11:58:14,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 11:58:14,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 11:58:14,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 11:58:14,470 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 11:58:14,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 11:58:14,470 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 11:58:14,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 11:58:14,470 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 11:58:14,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 11:58:14,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 11:58:14,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 11:58:14,471 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 11:58:14,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 11:58:14,471 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 11:58:14,471 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 11:58:14,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 11:58:14,471 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 11:58:14,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 11:58:14,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 11:58:14,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 11:58:14,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:58:14,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 11:58:14,473 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 11:58:14,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 11:58:14,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 11:58:14,473 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 11:58:14,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 11:58:14,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 11:58:14,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 11:58:14,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 11:58:14,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 11:58:14,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 11:58:14,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 11:58:14,642 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 11:58:14,642 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 11:58:14,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2023-03-31 11:58:15,703 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 11:58:15,849 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 11:58:15,850 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2023-03-31 11:58:15,865 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5993326d/910d176ccfbe40489ead7314893cc6db/FLAG473bd56eb [2023-03-31 11:58:15,876 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5993326d/910d176ccfbe40489ead7314893cc6db [2023-03-31 11:58:15,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 11:58:15,879 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 11:58:15,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 11:58:15,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 11:58:15,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 11:58:15,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:58:15" (1/1) ... [2023-03-31 11:58:15,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f067fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:15, skipping insertion in model container [2023-03-31 11:58:15,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:58:15" (1/1) ... [2023-03-31 11:58:15,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 11:58:15,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 11:58:16,064 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c[14522,14535] [2023-03-31 11:58:16,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:58:16,075 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 11:58:16,112 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c[14522,14535] [2023-03-31 11:58:16,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:58:16,124 INFO L208 MainTranslator]: Completed translation [2023-03-31 11:58:16,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16 WrapperNode [2023-03-31 11:58:16,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 11:58:16,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 11:58:16,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 11:58:16,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 11:58:16,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,160 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 11:58:16,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 11:58:16,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 11:58:16,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 11:58:16,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:58:16,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 11:58:16,189 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) [2023-03-31 11:58:16,191 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 [2023-03-31 11:58:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 11:58:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 11:58:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 11:58:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 11:58:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2023-03-31 11:58:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2023-03-31 11:58:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2023-03-31 11:58:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2023-03-31 11:58:16,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 11:58:16,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-31 11:58:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 11:58:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 11:58:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 11:58:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 11:58:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 11:58:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 11:58:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure read [2023-03-31 11:58:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure write [2023-03-31 11:58:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2023-03-31 11:58:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 11:58:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 11:58:16,298 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 11:58:16,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 11:58:16,674 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 11:58:16,747 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 11:58:16,747 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 11:58:16,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:58:16 BoogieIcfgContainer [2023-03-31 11:58:16,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 11:58:16,750 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 11:58:16,750 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 11:58:16,750 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 11:58:16,751 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:58:16" (1/1) ... [2023-03-31 11:58:16,751 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=OctagonDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 11:58:16,766 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 11:58:16,767 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 11:58:16,771 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 11:58:16,774 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 11:58:16,775 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 11:58:17,391 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 183 for LOIs [2023-03-31 11:58:40,415 WARN L223 SmtUtils]: Spent 13.57s on a formula simplification. DAG size of input: 4971 DAG size of output: 150 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-03-31 11:58:50,369 WARN L223 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 3671 DAG size of output: 126 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-03-31 11:59:04,907 WARN L223 SmtUtils]: Spent 13.86s on a formula simplification. DAG size of input: 4971 DAG size of output: 150 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-03-31 11:59:04,961 INFO L197 IcfgInterpreter]: Interpreting procedure check with input of size 69 for LOIs [2023-03-31 11:59:15,900 INFO L197 IcfgInterpreter]: Interpreting procedure read_side1_failed_history with input of size 87 for LOIs [2023-03-31 11:59:15,938 INFO L197 IcfgInterpreter]: Interpreting procedure read_side2_failed_history with input of size 87 for LOIs [2023-03-31 11:59:16,265 INFO L197 IcfgInterpreter]: Interpreting procedure Pendulum_prism_task_each_pals_period with input of size 60 for LOIs [2023-03-31 11:59:16,276 INFO L197 IcfgInterpreter]: Interpreting procedure read_active_side_history with input of size 90 for LOIs [2023-03-31 11:59:16,373 INFO L197 IcfgInterpreter]: Interpreting procedure read_manual_selection_history with input of size 75 for LOIs [2023-03-31 11:59:16,484 INFO L197 IcfgInterpreter]: Interpreting procedure assert with input of size 1 for LOIs [2023-03-31 11:59:16,484 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 11:59:16,492 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 11:59:16,492 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 11:59:16,493 INFO L158 Benchmark]: Toolchain (without parser) took 60613.79ms. Allocated memory was 399.5MB in the beginning and 1.1GB in the end (delta: 678.4MB). Free memory was 348.0MB in the beginning and 916.3MB in the end (delta: -568.3MB). Peak memory consumption was 111.2MB. Max. memory is 8.0GB. [2023-03-31 11:59:16,493 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 205.5MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 11:59:16,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.16ms. Allocated memory is still 399.5MB. Free memory was 348.0MB in the beginning and 330.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 11:59:16,494 INFO L158 Benchmark]: Boogie Preprocessor took 38.99ms. Allocated memory is still 399.5MB. Free memory was 330.2MB in the beginning and 327.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 11:59:16,494 INFO L158 Benchmark]: RCFGBuilder took 584.49ms. Allocated memory is still 399.5MB. Free memory was 327.0MB in the beginning and 270.9MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2023-03-31 11:59:16,494 INFO L158 Benchmark]: Sifa took 59742.24ms. Allocated memory was 399.5MB in the beginning and 1.1GB in the end (delta: 678.4MB). Free memory was 270.9MB in the beginning and 916.3MB in the end (delta: -645.4MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-03-31 11:59:16,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 205.5MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 245.16ms. Allocated memory is still 399.5MB. Free memory was 348.0MB in the beginning and 330.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.99ms. Allocated memory is still 399.5MB. Free memory was 330.2MB in the beginning and 327.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 584.49ms. Allocated memory is still 399.5MB. Free memory was 327.0MB in the beginning and 270.9MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * Sifa took 59742.24ms. Allocated memory was 399.5MB in the beginning and 1.1GB in the end (delta: 678.4MB). Free memory was 270.9MB in the beginning and 916.3MB in the end (delta: -645.4MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 59.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 111, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 260, TOOLS_POST_TIME: 3.6s, TOOLS_POST_CALL_APPLICATIONS: 109, TOOLS_POST_CALL_TIME: 4.8s, TOOLS_POST_RETURN_APPLICATIONS: 79, TOOLS_POST_RETURN_TIME: 5.9s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 448, TOOLS_QUANTIFIERELIM_TIME: 14.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.6s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 393, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 103, DOMAIN_JOIN_TIME: 31.4s, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME: 0.1s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 13.7s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 111, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 18.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 18.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 79, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME: 0.9s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.9s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 6415, DAG_COMPRESSION_RETAINED_NODES: 308 - UnprovableResult [Line: 610]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 555#(and (= assert_~arg |assert_#in~arg|) (= (mod assert_~arg 256) 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 11:59:16,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...