./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40c0c192ce902f5d95e54f3bc2e599b131d27968e8d9f7353aba55924685d132 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:19:40,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:19:40,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:19:40,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:19:40,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:19:40,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:19:40,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:19:40,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:19:40,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:19:40,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:19:40,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:19:40,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:19:40,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:19:40,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:19:40,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:19:40,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:19:40,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:19:40,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:19:40,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:19:40,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:19:40,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:19:40,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:19:40,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:19:40,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:19:40,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:19:40,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:19:40,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:19:40,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:19:40,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:19:40,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:19:40,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:19:40,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:19:40,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:19:40,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:19:40,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:19:40,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:19:40,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:19:40,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:19:40,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:19:40,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:19:40,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:19:40,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:19:40,529 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:19:40,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:19:40,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:19:40,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:19:40,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:19:40,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:19:40,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:19:40,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:19:40,533 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:19:40,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:19:40,534 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:19:40,534 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:19:40,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:19:40,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:19:40,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:19:40,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:19:40,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:19:40,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:19:40,535 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:19:40,535 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:19:40,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:19:40,536 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:19:40,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:19:40,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:19:40,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:19:40,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:19:40,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:19:40,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:19:40,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:19:40,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:19:40,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:19:40,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:19:40,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:19:40,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:19:40,538 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:19:40,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:19:40,539 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:19:40,539 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c0c192ce902f5d95e54f3bc2e599b131d27968e8d9f7353aba55924685d132 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:19:40,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:19:40,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:19:40,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:19:40,837 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:19:40,837 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:19:40,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2023-08-30 13:19:41,986 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:19:42,458 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:19:42,459 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2023-08-30 13:19:42,501 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fa69a55/27806e624f8047a2ae283154453cbaf3/FLAG048d875fc [2023-08-30 13:19:42,521 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fa69a55/27806e624f8047a2ae283154453cbaf3 [2023-08-30 13:19:42,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:19:42,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:19:42,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:19:42,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:19:42,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:19:42,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2abec8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42, skipping insertion in model container [2023-08-30 13:19:42,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:19:42,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:19:43,000 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i[5469,5482] [2023-08-30 13:19:45,577 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:19:46,029 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:19:46,032 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:19:46,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:19:46,132 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:19:46,158 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i[5469,5482] [2023-08-30 13:19:46,328 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:19:46,429 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:19:46,430 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:19:46,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:19:46,933 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:46,934 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:46,934 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:46,934 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:46,934 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:46,934 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:46,935 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:46,941 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:19:46,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46 WrapperNode [2023-08-30 13:19:46,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:19:46,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:19:46,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:19:46,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:19:46,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,135 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 767 [2023-08-30 13:19:47,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:19:47,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:19:47,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:19:47,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:19:47,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,215 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:19:47,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:19:47,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:19:47,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:19:47,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (1/1) ... [2023-08-30 13:19:47,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:19:47,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:19:47,274 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) [2023-08-30 13:19:47,289 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 [2023-08-30 13:19:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 13:19:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 13:19:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:19:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 13:19:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:19:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:19:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 13:19:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 13:19:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 13:19:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:19:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 13:19:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:19:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 13:19:47,316 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 13:19:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 13:19:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:19:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 13:19:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 13:19:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:19:47,318 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 13:19:47,832 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:19:47,833 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:19:48,658 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:19:48,685 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:19:48,685 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-08-30 13:19:48,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:19:48 BoogieIcfgContainer [2023-08-30 13:19:48,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:19:48,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:19:48,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:19:48,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:19:48,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:19:42" (1/3) ... [2023-08-30 13:19:48,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cee99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:19:48, skipping insertion in model container [2023-08-30 13:19:48,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:46" (2/3) ... [2023-08-30 13:19:48,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cee99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:19:48, skipping insertion in model container [2023-08-30 13:19:48,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:19:48" (3/3) ... [2023-08-30 13:19:48,695 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2023-08-30 13:19:48,701 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:19:48,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:19:48,710 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-30 13:19:48,710 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:19:48,863 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 13:19:48,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 839 places, 880 transitions, 1776 flow [2023-08-30 13:19:49,197 INFO L130 PetriNetUnfolder]: 48/878 cut-off events. [2023-08-30 13:19:49,197 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:19:49,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 878 events. 48/878 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1288 event pairs, 0 based on Foata normal form. 0/798 useless extension candidates. Maximal degree in co-relation 683. Up to 9 conditions per place. [2023-08-30 13:19:49,207 INFO L82 GeneralOperation]: Start removeDead. Operand has 839 places, 880 transitions, 1776 flow [2023-08-30 13:19:49,219 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 829 places, 870 transitions, 1749 flow [2023-08-30 13:19:49,222 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:19:49,234 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 829 places, 870 transitions, 1749 flow [2023-08-30 13:19:49,237 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 829 places, 870 transitions, 1749 flow [2023-08-30 13:19:49,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 829 places, 870 transitions, 1749 flow [2023-08-30 13:19:49,422 INFO L130 PetriNetUnfolder]: 48/870 cut-off events. [2023-08-30 13:19:49,422 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 13:19:49,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 878 conditions, 870 events. 48/870 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1189 event pairs, 0 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 683. Up to 9 conditions per place. [2023-08-30 13:19:49,437 INFO L119 LiptonReduction]: Number of co-enabled transitions 16700 [2023-08-30 13:21:23,513 WARN L222 SmtUtils]: Spent 17.80s on a formula simplification that was a NOOP. DAG size: 462 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:21:37,081 WARN L222 SmtUtils]: Spent 13.55s on a formula simplification that was a NOOP. DAG size: 386 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:21:53,046 WARN L222 SmtUtils]: Spent 15.96s on a formula simplification that was a NOOP. DAG size: 462 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:22:05,479 WARN L222 SmtUtils]: Spent 12.42s on a formula simplification that was a NOOP. DAG size: 386 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:22:24,098 WARN L222 SmtUtils]: Spent 18.40s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:22:41,875 WARN L222 SmtUtils]: Spent 17.78s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:22:59,963 WARN L222 SmtUtils]: Spent 18.08s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:23:17,964 WARN L222 SmtUtils]: Spent 18.00s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:25:02,112 WARN L222 SmtUtils]: Spent 1.58m on a formula simplification. DAG size of input: 593 DAG size of output: 591 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:25:41,888 WARN L222 SmtUtils]: Spent 39.77s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:28:25,394 WARN L222 SmtUtils]: Spent 2.73m on a formula simplification. DAG size of input: 599 DAG size of output: 595 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:29:29,553 WARN L222 SmtUtils]: Spent 1.07m on a formula simplification that was a NOOP. DAG size: 584 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:29:40,441 INFO L134 LiptonReduction]: Checked pairs total: 12782 [2023-08-30 13:29:40,441 INFO L136 LiptonReduction]: Total number of compositions: 1067 [2023-08-30 13:29:40,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:29:40,455 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=PETRI_NET, 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;@7bfe24c1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:29:40,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2023-08-30 13:29:40,461 INFO L130 PetriNetUnfolder]: 2/5 cut-off events. [2023-08-30 13:29:40,461 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:29:40,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:29:40,462 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 13:29:40,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-08-30 13:29:40,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:29:40,467 INFO L85 PathProgramCache]: Analyzing trace with hash 3318284, now seen corresponding path program 1 times [2023-08-30 13:29:40,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:29:40,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650431755] [2023-08-30 13:29:40,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:29:40,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:29:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:29:40,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:29:40,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:29:40,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650431755] [2023-08-30 13:29:40,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650431755] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:29:40,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:29:40,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:29:40,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257206639] [2023-08-30 13:29:40,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:29:40,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 13:29:40,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:29:40,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 13:29:40,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 13:29:40,984 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 827 out of 1947 [2023-08-30 13:29:40,989 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 73 transitions, 155 flow. Second operand has 2 states, 2 states have (on average 828.5) internal successors, (1657), 2 states have internal predecessors, (1657), 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) [2023-08-30 13:29:40,989 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:29:40,989 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 827 of 1947 [2023-08-30 13:29:40,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:29:41,232 INFO L130 PetriNetUnfolder]: 34/79 cut-off events. [2023-08-30 13:29:41,232 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-30 13:29:41,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 79 events. 34/79 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 183 event pairs, 24 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 92. Up to 80 conditions per place. [2023-08-30 13:29:41,234 INFO L137 encePairwiseOnDemand]: 1909/1947 looper letters, 13 selfloop transitions, 0 changer transitions 22/35 dead transitions. [2023-08-30 13:29:41,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 149 flow [2023-08-30 13:29:41,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 13:29:41,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 13:29:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1727 transitions. [2023-08-30 13:29:41,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4435028248587571 [2023-08-30 13:29:41,254 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1727 transitions. [2023-08-30 13:29:41,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1727 transitions. [2023-08-30 13:29:41,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:29:41,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1727 transitions. [2023-08-30 13:29:41,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 863.5) internal successors, (1727), 2 states have internal predecessors, (1727), 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) [2023-08-30 13:29:41,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1947.0) internal successors, (5841), 3 states have internal predecessors, (5841), 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) [2023-08-30 13:29:41,281 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1947.0) internal successors, (5841), 3 states have internal predecessors, (5841), 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) [2023-08-30 13:29:41,283 INFO L175 Difference]: Start difference. First operand has 61 places, 73 transitions, 155 flow. Second operand 2 states and 1727 transitions. [2023-08-30 13:29:41,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 149 flow [2023-08-30 13:29:41,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 35 transitions, 144 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 13:29:41,287 INFO L231 Difference]: Finished difference. Result has 30 places, 13 transitions, 26 flow [2023-08-30 13:29:41,288 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1947, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=26, PETRI_PLACES=30, PETRI_TRANSITIONS=13} [2023-08-30 13:29:41,291 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -31 predicate places. [2023-08-30 13:29:41,291 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 13 transitions, 26 flow [2023-08-30 13:29:41,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 828.5) internal successors, (1657), 2 states have internal predecessors, (1657), 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) [2023-08-30 13:29:41,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:29:41,293 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:29:41,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:29:41,293 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-08-30 13:29:41,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:29:41,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1105830029, now seen corresponding path program 1 times [2023-08-30 13:29:41,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:29:41,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25741233] [2023-08-30 13:29:41,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:29:41,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:29:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:29:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:29:41,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:29:41,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25741233] [2023-08-30 13:29:41,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25741233] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:29:41,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:29:41,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:29:41,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12392846] [2023-08-30 13:29:41,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:29:41,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:29:41,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:29:41,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:29:41,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:29:41,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 817 out of 1947 [2023-08-30 13:29:41,627 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 13 transitions, 26 flow. Second operand has 3 states, 3 states have (on average 818.6666666666666) internal successors, (2456), 3 states have internal predecessors, (2456), 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) [2023-08-30 13:29:41,627 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:29:41,628 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 817 of 1947 [2023-08-30 13:29:41,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:29:41,935 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 13:29:41,935 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:29:41,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 11 events. 4/11 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 22. Up to 6 conditions per place. [2023-08-30 13:29:41,936 INFO L137 encePairwiseOnDemand]: 1942/1947 looper letters, 8 selfloop transitions, 3 changer transitions 0/11 dead transitions. [2023-08-30 13:29:41,936 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 11 places, 11 transitions, 44 flow [2023-08-30 13:29:41,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:29:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:29:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2464 transitions. [2023-08-30 13:29:41,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4218455743879473 [2023-08-30 13:29:41,944 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2464 transitions. [2023-08-30 13:29:41,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2464 transitions. [2023-08-30 13:29:41,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:29:41,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2464 transitions. [2023-08-30 13:29:41,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 821.3333333333334) internal successors, (2464), 3 states have internal predecessors, (2464), 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) [2023-08-30 13:29:41,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1947.0) internal successors, (7788), 4 states have internal predecessors, (7788), 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) [2023-08-30 13:29:41,965 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1947.0) internal successors, (7788), 4 states have internal predecessors, (7788), 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) [2023-08-30 13:29:41,965 INFO L175 Difference]: Start difference. First operand has 30 places, 13 transitions, 26 flow. Second operand 3 states and 2464 transitions. [2023-08-30 13:29:41,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 11 places, 11 transitions, 44 flow [2023-08-30 13:29:41,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 11 transitions, 44 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 13:29:41,967 INFO L231 Difference]: Finished difference. Result has 11 places, 11 transitions, 28 flow [2023-08-30 13:29:41,967 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1947, PETRI_DIFFERENCE_MINUEND_FLOW=22, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=28, PETRI_PLACES=11, PETRI_TRANSITIONS=11} [2023-08-30 13:29:41,968 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -50 predicate places. [2023-08-30 13:29:41,969 INFO L495 AbstractCegarLoop]: Abstraction has has 11 places, 11 transitions, 28 flow [2023-08-30 13:29:41,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 818.6666666666666) internal successors, (2456), 3 states have internal predecessors, (2456), 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) [2023-08-30 13:29:41,971 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:29:41,971 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:29:41,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:29:41,972 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-08-30 13:29:41,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:29:41,974 INFO L85 PathProgramCache]: Analyzing trace with hash 79019906, now seen corresponding path program 1 times [2023-08-30 13:29:41,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:29:41,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738339727] [2023-08-30 13:29:41,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:29:41,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:29:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:29:42,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:29:42,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:29:42,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738339727] [2023-08-30 13:29:42,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738339727] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:29:42,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:29:42,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:29:42,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221518780] [2023-08-30 13:29:42,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:29:42,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:29:42,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:29:42,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:29:42,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:29:42,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 820 out of 1947 [2023-08-30 13:29:42,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 11 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 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) [2023-08-30 13:29:42,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:29:42,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 820 of 1947 [2023-08-30 13:29:42,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:29:42,639 INFO L130 PetriNetUnfolder]: 4/12 cut-off events. [2023-08-30 13:29:42,640 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:29:42,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 12 events. 4/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/8 useless extension candidates. Maximal degree in co-relation 27. Up to 11 conditions per place. [2023-08-30 13:29:42,640 INFO L137 encePairwiseOnDemand]: 1943/1947 looper letters, 9 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2023-08-30 13:29:42,640 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 12 transitions, 54 flow [2023-08-30 13:29:42,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:29:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:29:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2473 transitions. [2023-08-30 13:29:42,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4233864064372539 [2023-08-30 13:29:42,647 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2473 transitions. [2023-08-30 13:29:42,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2473 transitions. [2023-08-30 13:29:42,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:29:42,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2473 transitions. [2023-08-30 13:29:42,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 824.3333333333334) internal successors, (2473), 3 states have internal predecessors, (2473), 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) [2023-08-30 13:29:42,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1947.0) internal successors, (7788), 4 states have internal predecessors, (7788), 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) [2023-08-30 13:29:42,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1947.0) internal successors, (7788), 4 states have internal predecessors, (7788), 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) [2023-08-30 13:29:42,667 INFO L175 Difference]: Start difference. First operand has 11 places, 11 transitions, 28 flow. Second operand 3 states and 2473 transitions. [2023-08-30 13:29:42,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 12 transitions, 54 flow [2023-08-30 13:29:42,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 12 transitions, 48 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 13:29:42,668 INFO L231 Difference]: Finished difference. Result has 12 places, 12 transitions, 37 flow [2023-08-30 13:29:42,668 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1947, PETRI_DIFFERENCE_MINUEND_FLOW=22, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=12, PETRI_TRANSITIONS=12} [2023-08-30 13:29:42,669 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -49 predicate places. [2023-08-30 13:29:42,669 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 12 transitions, 37 flow [2023-08-30 13:29:42,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 822.0) internal successors, (2466), 3 states have internal predecessors, (2466), 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) [2023-08-30 13:29:42,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:29:42,671 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:29:42,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:29:42,672 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-08-30 13:29:42,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:29:42,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1845346174, now seen corresponding path program 1 times [2023-08-30 13:29:42,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:29:42,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508429984] [2023-08-30 13:29:42,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:29:42,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:29:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:29:42,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:29:42,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:29:42,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508429984] [2023-08-30 13:29:42,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508429984] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:29:42,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491574641] [2023-08-30 13:29:42,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:29:42,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:29:42,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:29:42,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 13:29:42,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-30 13:29:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:29:43,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-30 13:29:43,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:29:43,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:29:43,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 13:29:43,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491574641] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:29:43,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 13:29:43,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-08-30 13:29:43,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670050728] [2023-08-30 13:29:43,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:29:43,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:29:43,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:29:43,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:29:43,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:29:43,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 820 out of 1947 [2023-08-30 13:29:43,518 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 12 transitions, 37 flow. Second operand has 4 states, 4 states have (on average 821.75) internal successors, (3287), 4 states have internal predecessors, (3287), 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) [2023-08-30 13:29:43,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:29:43,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 820 of 1947 [2023-08-30 13:29:43,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:29:43,764 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 13:29:43,765 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:29:43,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 11 events. 4/11 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 27. Up to 8 conditions per place. [2023-08-30 13:29:43,765 INFO L137 encePairwiseOnDemand]: 1943/1947 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2023-08-30 13:29:43,765 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 11 transitions, 55 flow [2023-08-30 13:29:43,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 13:29:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 13:29:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3292 transitions. [2023-08-30 13:29:43,773 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4227015921931176 [2023-08-30 13:29:43,773 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3292 transitions. [2023-08-30 13:29:43,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3292 transitions. [2023-08-30 13:29:43,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:29:43,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3292 transitions. [2023-08-30 13:29:43,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 823.0) internal successors, (3292), 4 states have internal predecessors, (3292), 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) [2023-08-30 13:29:43,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1947.0) internal successors, (9735), 5 states have internal predecessors, (9735), 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) [2023-08-30 13:29:43,794 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1947.0) internal successors, (9735), 5 states have internal predecessors, (9735), 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) [2023-08-30 13:29:43,794 INFO L175 Difference]: Start difference. First operand has 12 places, 12 transitions, 37 flow. Second operand 4 states and 3292 transitions. [2023-08-30 13:29:43,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 11 transitions, 55 flow [2023-08-30 13:29:43,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 11 transitions, 50 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 13:29:43,795 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-30 13:29:43,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1947, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=13, PETRI_TRANSITIONS=0} [2023-08-30 13:29:43,796 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -48 predicate places. [2023-08-30 13:29:43,796 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-30 13:29:43,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 821.75) internal successors, (3287), 4 states have internal predecessors, (3287), 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) [2023-08-30 13:29:43,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 44 remaining) [2023-08-30 13:29:43,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 44 remaining) [2023-08-30 13:29:43,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 44 remaining) [2023-08-30 13:29:43,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 44 remaining) [2023-08-30 13:29:43,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 44 remaining) [2023-08-30 13:29:43,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 44 remaining) [2023-08-30 13:29:43,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 44 remaining) [2023-08-30 13:29:43,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 44 remaining) [2023-08-30 13:29:43,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 44 remaining) [2023-08-30 13:29:43,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 44 remaining) [2023-08-30 13:29:43,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 44 remaining) [2023-08-30 13:29:43,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 44 remaining) [2023-08-30 13:29:43,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 44 remaining) [2023-08-30 13:29:43,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 44 remaining) [2023-08-30 13:29:43,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 44 remaining) [2023-08-30 13:29:43,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 44 remaining) [2023-08-30 13:29:43,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 44 remaining) [2023-08-30 13:29:43,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 44 remaining) [2023-08-30 13:29:43,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 44 remaining) [2023-08-30 13:29:43,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 44 remaining) [2023-08-30 13:29:43,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 44 remaining) [2023-08-30 13:29:43,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 44 remaining) [2023-08-30 13:29:43,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 44 remaining) [2023-08-30 13:29:43,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 44 remaining) [2023-08-30 13:29:43,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 44 remaining) [2023-08-30 13:29:43,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 44 remaining) [2023-08-30 13:29:43,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 44 remaining) [2023-08-30 13:29:43,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 44 remaining) [2023-08-30 13:29:43,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 44 remaining) [2023-08-30 13:29:43,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 44 remaining) [2023-08-30 13:29:43,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 44 remaining) [2023-08-30 13:29:43,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 44 remaining) [2023-08-30 13:29:43,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 44 remaining) [2023-08-30 13:29:43,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 44 remaining) [2023-08-30 13:29:43,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 44 remaining) [2023-08-30 13:29:43,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 44 remaining) [2023-08-30 13:29:43,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 44 remaining) [2023-08-30 13:29:43,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 44 remaining) [2023-08-30 13:29:43,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 44 remaining) [2023-08-30 13:29:43,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 44 remaining) [2023-08-30 13:29:43,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 44 remaining) [2023-08-30 13:29:43,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 44 remaining) [2023-08-30 13:29:43,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 44 remaining) [2023-08-30 13:29:43,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 44 remaining) [2023-08-30 13:29:43,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-30 13:29:44,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:29:44,020 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-30 13:29:44,025 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 13:29:44,025 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 13:29:44,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 01:29:44 BasicIcfg [2023-08-30 13:29:44,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 13:29:44,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 13:29:44,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 13:29:44,028 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 13:29:44,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:19:48" (3/4) ... [2023-08-30 13:29:44,032 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 13:29:44,035 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 13:29:44,036 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 13:29:44,058 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-30 13:29:44,059 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 13:29:44,060 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-30 13:29:44,061 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 13:29:44,128 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 13:29:44,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 13:29:44,129 INFO L158 Benchmark]: Toolchain (without parser) took 601604.06ms. Allocated memory was 75.5MB in the beginning and 350.2MB in the end (delta: 274.7MB). Free memory was 41.0MB in the beginning and 83.7MB in the end (delta: -42.7MB). Peak memory consumption was 233.7MB. Max. memory is 16.1GB. [2023-08-30 13:29:44,129 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:29:44,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4414.80ms. Allocated memory was 75.5MB in the beginning and 117.4MB in the end (delta: 41.9MB). Free memory was 40.8MB in the beginning and 59.9MB in the end (delta: -19.1MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2023-08-30 13:29:44,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 194.83ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 48.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 13:29:44,130 INFO L158 Benchmark]: Boogie Preprocessor took 100.97ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 41.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 13:29:44,130 INFO L158 Benchmark]: RCFGBuilder took 1448.52ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 41.8MB in the beginning and 73.4MB in the end (delta: -31.6MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-08-30 13:29:44,131 INFO L158 Benchmark]: TraceAbstraction took 595337.88ms. Allocated memory was 176.2MB in the beginning and 350.2MB in the end (delta: 174.1MB). Free memory was 72.5MB in the beginning and 93.4MB in the end (delta: -20.9MB). Peak memory consumption was 156.2MB. Max. memory is 16.1GB. [2023-08-30 13:29:44,131 INFO L158 Benchmark]: Witness Printer took 100.76ms. Allocated memory is still 350.2MB. Free memory was 92.4MB in the beginning and 83.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 13:29:44,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4414.80ms. Allocated memory was 75.5MB in the beginning and 117.4MB in the end (delta: 41.9MB). Free memory was 40.8MB in the beginning and 59.9MB in the end (delta: -19.1MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 194.83ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 48.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.97ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 41.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1448.52ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 41.8MB in the beginning and 73.4MB in the end (delta: -31.6MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 595337.88ms. Allocated memory was 176.2MB in the beginning and 350.2MB in the end (delta: 174.1MB). Free memory was 72.5MB in the beginning and 93.4MB in the end (delta: -20.9MB). Peak memory consumption was 156.2MB. Max. memory is 16.1GB. * Witness Printer took 100.76ms. Allocated memory is still 350.2MB. Free memory was 92.4MB in the beginning and 83.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 591.2s, 829 PlacesBefore, 61 PlacesAfterwards, 870 TransitionsBefore, 73 TransitionsAfterwards, 16700 CoEnabledTransitionPairs, 11 FixpointIterations, 695 TrivialSequentialCompositions, 242 ConcurrentSequentialCompositions, 84 TrivialYvCompositions, 17 ConcurrentYvCompositions, 29 ChoiceCompositions, 1067 TotalNumberOfCompositions, 12782 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12219, independent: 12172, independent conditional: 0, independent unconditional: 12172, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8569, independent: 8548, independent conditional: 0, independent unconditional: 8548, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12219, independent: 3624, independent conditional: 0, independent unconditional: 3624, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 8569, unknown conditional: 0, unknown unconditional: 8569] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6938]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6938]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6938]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6900]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6900]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1046 locations, 44 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 595.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 591.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 2 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1117 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 1/2 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 13:29:44,180 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE