./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_current.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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_current.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 e7b584daec49a40dea8b0111f29f8cb062ca3b12b5b166ebb1701b9de8e509ce --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 09:07:07,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 09:07:07,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 09:07:07,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 09:07:07,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 09:07:07,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 09:07:07,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 09:07:07,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 09:07:07,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 09:07:07,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 09:07:07,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 09:07:07,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 09:07:07,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 09:07:07,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 09:07:07,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 09:07:07,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 09:07:07,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 09:07:07,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 09:07:07,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 09:07:07,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 09:07:07,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 09:07:07,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 09:07:07,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 09:07:07,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 09:07:07,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 09:07:07,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 09:07:07,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 09:07:07,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 09:07:07,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 09:07:07,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 09:07:07,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 09:07:07,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 09:07:07,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 09:07:07,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 09:07:07,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 09:07:07,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 09:07:07,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 09:07:07,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 09:07:07,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 09:07:07,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 09:07:07,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 09:07:07,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 09:07:07,443 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 09:07:07,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 09:07:07,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 09:07:07,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 09:07:07,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 09:07:07,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 09:07:07,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 09:07:07,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 09:07:07,446 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 09:07:07,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 09:07:07,447 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 09:07:07,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 09:07:07,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 09:07:07,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 09:07:07,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 09:07:07,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 09:07:07,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 09:07:07,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 09:07:07,448 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 09:07:07,448 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 09:07:07,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 09:07:07,448 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 09:07:07,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 09:07:07,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 09:07:07,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 09:07:07,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 09:07:07,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:07:07,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 09:07:07,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 09:07:07,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 09:07:07,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 09:07:07,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 09:07:07,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 09:07:07,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 09:07:07,450 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 09:07:07,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 09:07:07,451 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 09:07:07,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7b584daec49a40dea8b0111f29f8cb062ca3b12b5b166ebb1701b9de8e509ce Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 09:07:07,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 09:07:07,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 09:07:07,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 09:07:07,672 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 09:07:07,672 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 09:07:07,673 INFO L432 ainManager$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_current.i [2023-08-30 09:07:08,591 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 09:07:08,931 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 09:07:08,932 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2023-08-30 09:07:08,966 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad06ccb2/c6d1e4fe9ab94284a2fef7928a40b313/FLAGbcf1bd3c0 [2023-08-30 09:07:08,979 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad06ccb2/c6d1e4fe9ab94284a2fef7928a40b313 [2023-08-30 09:07:08,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 09:07:08,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 09:07:08,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 09:07:08,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 09:07:08,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 09:07:08,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:07:08" (1/1) ... [2023-08-30 09:07:08,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42859e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:08, skipping insertion in model container [2023-08-30 09:07:08,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:07:08" (1/1) ... [2023-08-30 09:07:08,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 09:07:09,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 09:07:09,351 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_current.i[5469,5482] [2023-08-30 09:07:11,248 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:07:11,638 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:07:11,640 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:07:11,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:07:11,707 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 09:07:11,730 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_current.i[5469,5482] [2023-08-30 09:07:11,853 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:07:11,892 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:07:11,892 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:07:11,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:07:12,473 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:07:12,473 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:07:12,473 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:07:12,473 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:07:12,473 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:07:12,474 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:07:12,474 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:07:12,478 INFO L208 MainTranslator]: Completed translation [2023-08-30 09:07:12,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12 WrapperNode [2023-08-30 09:07:12,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 09:07:12,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 09:07:12,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 09:07:12,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 09:07:12,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,669 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 763 [2023-08-30 09:07:12,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 09:07:12,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 09:07:12,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 09:07:12,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 09:07:12,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,738 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 09:07:12,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 09:07:12,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 09:07:12,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 09:07:12,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (1/1) ... [2023-08-30 09:07:12,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:07:12,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:07:12,778 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 09:07:12,796 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 09:07:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 09:07:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 09:07:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 09:07:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 09:07:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 09:07:12,805 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 09:07:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 09:07:12,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 09:07:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 09:07:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 09:07:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 09:07:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 09:07:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 09:07:12,806 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 09:07:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 09:07:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 09:07:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 09:07:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 09:07:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 09:07:12,809 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 09:07:13,240 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 09:07:13,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 09:07:13,902 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 09:07:13,924 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 09:07:13,925 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2023-08-30 09:07:13,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:07:13 BoogieIcfgContainer [2023-08-30 09:07:13,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 09:07:13,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 09:07:13,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 09:07:13,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 09:07:13,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 09:07:08" (1/3) ... [2023-08-30 09:07:13,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c29640f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:07:13, skipping insertion in model container [2023-08-30 09:07:13,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:07:12" (2/3) ... [2023-08-30 09:07:13,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c29640f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:07:13, skipping insertion in model container [2023-08-30 09:07:13,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:07:13" (3/3) ... [2023-08-30 09:07:13,933 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2023-08-30 09:07:13,938 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 09:07:13,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 09:07:13,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-30 09:07:13,944 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 09:07:14,040 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 09:07:14,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 835 places, 875 transitions, 1766 flow [2023-08-30 09:07:14,298 INFO L130 PetriNetUnfolder]: 47/873 cut-off events. [2023-08-30 09:07:14,298 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 09:07:14,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 873 events. 47/873 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1259 event pairs, 0 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 678. Up to 9 conditions per place. [2023-08-30 09:07:14,306 INFO L82 GeneralOperation]: Start removeDead. Operand has 835 places, 875 transitions, 1766 flow [2023-08-30 09:07:14,315 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 825 places, 865 transitions, 1739 flow [2023-08-30 09:07:14,318 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 09:07:14,326 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 825 places, 865 transitions, 1739 flow [2023-08-30 09:07:14,331 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 825 places, 865 transitions, 1739 flow [2023-08-30 09:07:14,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 825 places, 865 transitions, 1739 flow [2023-08-30 09:07:14,456 INFO L130 PetriNetUnfolder]: 47/865 cut-off events. [2023-08-30 09:07:14,457 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 09:07:14,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 873 conditions, 865 events. 47/865 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1169 event pairs, 0 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 678. Up to 9 conditions per place. [2023-08-30 09:07:14,464 INFO L119 LiptonReduction]: Number of co-enabled transitions 14790 [2023-08-30 09:09:29,348 WARN L222 SmtUtils]: Spent 33.17s on a formula simplification. DAG size of input: 282 DAG size of output: 270 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:09:46,944 WARN L222 SmtUtils]: Spent 17.59s on a formula simplification that was a NOOP. DAG size: 251 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:10:43,891 WARN L222 SmtUtils]: Spent 56.94s on a formula simplification. DAG size of input: 327 DAG size of output: 313 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:11:08,004 WARN L222 SmtUtils]: Spent 24.11s on a formula simplification that was a NOOP. DAG size: 289 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:13:37,304 WARN L222 SmtUtils]: Spent 2.46m on a formula simplification. DAG size of input: 649 DAG size of output: 647 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:14:36,615 WARN L222 SmtUtils]: Spent 59.30s 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 09:17:06,464 WARN L222 SmtUtils]: Spent 2.50m on a formula simplification. DAG size of input: 652 DAG size of output: 650 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:18:16,361 WARN L222 SmtUtils]: Spent 1.16m 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 09:18:34,325 WARN L222 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 287 DAG size of output: 280 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:18:36,172 INFO L134 LiptonReduction]: Checked pairs total: 12568 [2023-08-30 09:18:36,172 INFO L136 LiptonReduction]: Total number of compositions: 1053 [2023-08-30 09:18:36,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 09:18:36,184 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;@709819c3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 09:18:36,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2023-08-30 09:18:36,190 INFO L130 PetriNetUnfolder]: 2/5 cut-off events. [2023-08-30 09:18:36,190 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:18:36,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:18:36,191 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 09:18:36,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-08-30 09:18:36,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:18:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash 3261030, now seen corresponding path program 1 times [2023-08-30 09:18:36,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:18:36,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449837060] [2023-08-30 09:18:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:18:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:18:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:18:36,559 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 09:18:36,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:18:36,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449837060] [2023-08-30 09:18:36,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449837060] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:18:36,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:18:36,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:18:36,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046773192] [2023-08-30 09:18:36,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:18:36,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 09:18:36,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:18:36,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 09:18:36,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 09:18:36,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 822 out of 1928 [2023-08-30 09:18:36,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 73 transitions, 155 flow. Second operand has 2 states, 2 states have (on average 823.5) internal successors, (1647), 2 states have internal predecessors, (1647), 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 09:18:36,596 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:18:36,596 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 822 of 1928 [2023-08-30 09:18:36,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:18:37,280 INFO L130 PetriNetUnfolder]: 34/79 cut-off events. [2023-08-30 09:18:37,281 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-30 09:18:37,281 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 182 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 09:18:37,283 INFO L137 encePairwiseOnDemand]: 1890/1928 looper letters, 13 selfloop transitions, 0 changer transitions 22/35 dead transitions. [2023-08-30 09:18:37,283 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 149 flow [2023-08-30 09:18:37,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 09:18:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 09:18:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1717 transitions. [2023-08-30 09:18:37,302 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44528008298755184 [2023-08-30 09:18:37,303 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1717 transitions. [2023-08-30 09:18:37,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1717 transitions. [2023-08-30 09:18:37,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:18:37,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1717 transitions. [2023-08-30 09:18:37,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 858.5) internal successors, (1717), 2 states have internal predecessors, (1717), 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 09:18:37,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1928.0) internal successors, (5784), 3 states have internal predecessors, (5784), 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 09:18:37,329 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1928.0) internal successors, (5784), 3 states have internal predecessors, (5784), 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 09:18:37,331 INFO L175 Difference]: Start difference. First operand has 61 places, 73 transitions, 155 flow. Second operand 2 states and 1717 transitions. [2023-08-30 09:18:37,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 149 flow [2023-08-30 09:18:37,333 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 09:18:37,334 INFO L231 Difference]: Finished difference. Result has 30 places, 13 transitions, 26 flow [2023-08-30 09:18:37,336 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1928, 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 09:18:37,339 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -31 predicate places. [2023-08-30 09:18:37,339 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 13 transitions, 26 flow [2023-08-30 09:18:37,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 823.5) internal successors, (1647), 2 states have internal predecessors, (1647), 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 09:18:37,341 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:18:37,341 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 09:18:37,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 09:18:37,342 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 09:18:37,342 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:18:37,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1160858091, now seen corresponding path program 1 times [2023-08-30 09:18:37,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:18:37,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401244288] [2023-08-30 09:18:37,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:18:37,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:18:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:18:37,536 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 09:18:37,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:18:37,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401244288] [2023-08-30 09:18:37,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401244288] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:18:37,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:18:37,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:18:37,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303936538] [2023-08-30 09:18:37,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:18:37,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:18:37,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:18:37,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:18:37,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:18:37,554 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 812 out of 1928 [2023-08-30 09:18:37,557 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 13 transitions, 26 flow. Second operand has 3 states, 3 states have (on average 813.6666666666666) internal successors, (2441), 3 states have internal predecessors, (2441), 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 09:18:37,557 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:18:37,557 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 812 of 1928 [2023-08-30 09:18:37,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:18:37,659 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 09:18:37,659 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:18:37,659 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 09:18:37,659 INFO L137 encePairwiseOnDemand]: 1923/1928 looper letters, 8 selfloop transitions, 3 changer transitions 0/11 dead transitions. [2023-08-30 09:18:37,660 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 11 places, 11 transitions, 44 flow [2023-08-30 09:18:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:18:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:18:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2449 transitions. [2023-08-30 09:18:37,665 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4234094052558783 [2023-08-30 09:18:37,665 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2449 transitions. [2023-08-30 09:18:37,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2449 transitions. [2023-08-30 09:18:37,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:18:37,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2449 transitions. [2023-08-30 09:18:37,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 816.3333333333334) internal successors, (2449), 3 states have internal predecessors, (2449), 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 09:18:37,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1928.0) internal successors, (7712), 4 states have internal predecessors, (7712), 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 09:18:37,679 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1928.0) internal successors, (7712), 4 states have internal predecessors, (7712), 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 09:18:37,680 INFO L175 Difference]: Start difference. First operand has 30 places, 13 transitions, 26 flow. Second operand 3 states and 2449 transitions. [2023-08-30 09:18:37,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 11 places, 11 transitions, 44 flow [2023-08-30 09:18:37,680 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 09:18:37,680 INFO L231 Difference]: Finished difference. Result has 11 places, 11 transitions, 28 flow [2023-08-30 09:18:37,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1928, 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 09:18:37,681 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -50 predicate places. [2023-08-30 09:18:37,681 INFO L495 AbstractCegarLoop]: Abstraction has has 11 places, 11 transitions, 28 flow [2023-08-30 09:18:37,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 813.6666666666666) internal successors, (2441), 3 states have internal predecessors, (2441), 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 09:18:37,683 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:18:37,683 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 09:18:37,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 09:18:37,683 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 09:18:37,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:18:37,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1626850342, now seen corresponding path program 1 times [2023-08-30 09:18:37,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:18:37,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240991474] [2023-08-30 09:18:37,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:18:37,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:18:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:18:37,835 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 09:18:37,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:18:37,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240991474] [2023-08-30 09:18:37,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240991474] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:18:37,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:18:37,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:18:37,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233760912] [2023-08-30 09:18:37,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:18:37,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:18:37,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:18:37,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:18:37,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:18:37,853 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 815 out of 1928 [2023-08-30 09:18:37,855 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 11 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 817.0) internal successors, (2451), 3 states have internal predecessors, (2451), 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 09:18:37,855 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:18:37,855 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 815 of 1928 [2023-08-30 09:18:37,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:18:38,785 INFO L130 PetriNetUnfolder]: 4/12 cut-off events. [2023-08-30 09:18:38,786 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:18:38,786 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 09:18:38,786 INFO L137 encePairwiseOnDemand]: 1924/1928 looper letters, 9 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2023-08-30 09:18:38,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 12 transitions, 54 flow [2023-08-30 09:18:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:18:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:18:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2458 transitions. [2023-08-30 09:18:38,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42496542185338865 [2023-08-30 09:18:38,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2458 transitions. [2023-08-30 09:18:38,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2458 transitions. [2023-08-30 09:18:38,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:18:38,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2458 transitions. [2023-08-30 09:18:38,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 819.3333333333334) internal successors, (2458), 3 states have internal predecessors, (2458), 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 09:18:38,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1928.0) internal successors, (7712), 4 states have internal predecessors, (7712), 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 09:18:38,805 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1928.0) internal successors, (7712), 4 states have internal predecessors, (7712), 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 09:18:38,806 INFO L175 Difference]: Start difference. First operand has 11 places, 11 transitions, 28 flow. Second operand 3 states and 2458 transitions. [2023-08-30 09:18:38,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 12 transitions, 54 flow [2023-08-30 09:18:38,806 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 09:18:38,806 INFO L231 Difference]: Finished difference. Result has 12 places, 12 transitions, 37 flow [2023-08-30 09:18:38,807 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1928, 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 09:18:38,807 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -49 predicate places. [2023-08-30 09:18:38,807 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 12 transitions, 37 flow [2023-08-30 09:18:38,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 817.0) internal successors, (2451), 3 states have internal predecessors, (2451), 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 09:18:38,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:18:38,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:18:38,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 09:18:38,809 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 09:18:38,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:18:38,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1107250040, now seen corresponding path program 1 times [2023-08-30 09:18:38,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:18:38,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646362381] [2023-08-30 09:18:38,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:18:38,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:18:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:18:38,979 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 09:18:38,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:18:38,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646362381] [2023-08-30 09:18:38,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646362381] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:18:38,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841333738] [2023-08-30 09:18:38,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:18:38,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:18:38,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:18:38,983 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 09:18:38,987 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 09:18:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:18:39,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-30 09:18:39,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:18:39,442 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 09:18:39,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 09:18:39,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841333738] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:18:39,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 09:18:39,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-08-30 09:18:39,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643331140] [2023-08-30 09:18:39,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:18:39,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 09:18:39,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:18:39,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 09:18:39,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-30 09:18:39,470 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 815 out of 1928 [2023-08-30 09:18:39,473 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 12 transitions, 37 flow. Second operand has 4 states, 4 states have (on average 816.75) internal successors, (3267), 4 states have internal predecessors, (3267), 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 09:18:39,473 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:18:39,474 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 815 of 1928 [2023-08-30 09:18:39,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:18:39,714 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 09:18:39,715 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 09:18:39,715 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 09:18:39,715 INFO L137 encePairwiseOnDemand]: 1924/1928 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2023-08-30 09:18:39,715 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 11 transitions, 55 flow [2023-08-30 09:18:39,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 09:18:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 09:18:39,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3272 transitions. [2023-08-30 09:18:39,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4242738589211618 [2023-08-30 09:18:39,722 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3272 transitions. [2023-08-30 09:18:39,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3272 transitions. [2023-08-30 09:18:39,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:18:39,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3272 transitions. [2023-08-30 09:18:39,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 818.0) internal successors, (3272), 4 states have internal predecessors, (3272), 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 09:18:39,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1928.0) internal successors, (9640), 5 states have internal predecessors, (9640), 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 09:18:39,745 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1928.0) internal successors, (9640), 5 states have internal predecessors, (9640), 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 09:18:39,745 INFO L175 Difference]: Start difference. First operand has 12 places, 12 transitions, 37 flow. Second operand 4 states and 3272 transitions. [2023-08-30 09:18:39,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 11 transitions, 55 flow [2023-08-30 09:18:39,746 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 09:18:39,746 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-30 09:18:39,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1928, 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 09:18:39,747 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -48 predicate places. [2023-08-30 09:18:39,747 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-30 09:18:39,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 816.75) internal successors, (3267), 4 states have internal predecessors, (3267), 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 09:18:39,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 44 remaining) [2023-08-30 09:18:39,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 44 remaining) [2023-08-30 09:18:39,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 44 remaining) [2023-08-30 09:18:39,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 44 remaining) [2023-08-30 09:18:39,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 44 remaining) [2023-08-30 09:18:39,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 44 remaining) [2023-08-30 09:18:39,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 44 remaining) [2023-08-30 09:18:39,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 44 remaining) [2023-08-30 09:18:39,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 44 remaining) [2023-08-30 09:18:39,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 44 remaining) [2023-08-30 09:18:39,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 44 remaining) [2023-08-30 09:18:39,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 44 remaining) [2023-08-30 09:18:39,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 44 remaining) [2023-08-30 09:18:39,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 44 remaining) [2023-08-30 09:18:39,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 44 remaining) [2023-08-30 09:18:39,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 44 remaining) [2023-08-30 09:18:39,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 44 remaining) [2023-08-30 09:18:39,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 44 remaining) [2023-08-30 09:18:39,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 44 remaining) [2023-08-30 09:18:39,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 44 remaining) [2023-08-30 09:18:39,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 44 remaining) [2023-08-30 09:18:39,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 44 remaining) [2023-08-30 09:18:39,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 44 remaining) [2023-08-30 09:18:39,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 44 remaining) [2023-08-30 09:18:39,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 44 remaining) [2023-08-30 09:18:39,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 44 remaining) [2023-08-30 09:18:39,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 44 remaining) [2023-08-30 09:18:39,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 44 remaining) [2023-08-30 09:18:39,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 44 remaining) [2023-08-30 09:18:39,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 44 remaining) [2023-08-30 09:18:39,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 44 remaining) [2023-08-30 09:18:39,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 44 remaining) [2023-08-30 09:18:39,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 44 remaining) [2023-08-30 09:18:39,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 44 remaining) [2023-08-30 09:18:39,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 44 remaining) [2023-08-30 09:18:39,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 44 remaining) [2023-08-30 09:18:39,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 44 remaining) [2023-08-30 09:18:39,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 44 remaining) [2023-08-30 09:18:39,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 44 remaining) [2023-08-30 09:18:39,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 44 remaining) [2023-08-30 09:18:39,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 44 remaining) [2023-08-30 09:18:39,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 44 remaining) [2023-08-30 09:18:39,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 44 remaining) [2023-08-30 09:18:39,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 44 remaining) [2023-08-30 09:18:39,775 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 09:18:39,972 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 09:18:39,972 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-30 09:18:39,976 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 09:18:39,976 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 09:18:39,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 09:18:39 BasicIcfg [2023-08-30 09:18:39,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 09:18:39,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 09:18:39,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 09:18:39,984 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 09:18:39,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:07:13" (3/4) ... [2023-08-30 09:18:39,985 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 09:18:39,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 09:18:39,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 09:18:40,000 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-30 09:18:40,000 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 09:18:40,001 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-30 09:18:40,002 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 09:18:40,042 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 09:18:40,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 09:18:40,043 INFO L158 Benchmark]: Toolchain (without parser) took 691059.45ms. Allocated memory was 81.8MB in the beginning and 427.8MB in the end (delta: 346.0MB). Free memory was 49.7MB in the beginning and 148.9MB in the end (delta: -99.3MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. [2023-08-30 09:18:40,043 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 09:18:40,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3492.57ms. Allocated memory was 81.8MB in the beginning and 144.7MB in the end (delta: 62.9MB). Free memory was 49.4MB in the beginning and 87.4MB in the end (delta: -38.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-08-30 09:18:40,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.66ms. Allocated memory is still 144.7MB. Free memory was 87.4MB in the beginning and 74.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 09:18:40,044 INFO L158 Benchmark]: Boogie Preprocessor took 77.41ms. Allocated memory is still 144.7MB. Free memory was 74.8MB in the beginning and 68.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 09:18:40,044 INFO L158 Benchmark]: RCFGBuilder took 1178.98ms. Allocated memory is still 144.7MB. Free memory was 68.5MB in the beginning and 58.6MB in the end (delta: 9.9MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2023-08-30 09:18:40,044 INFO L158 Benchmark]: TraceAbstraction took 686054.21ms. Allocated memory was 144.7MB in the beginning and 427.8MB in the end (delta: 283.1MB). Free memory was 57.9MB in the beginning and 158.4MB in the end (delta: -100.5MB). Peak memory consumption was 181.9MB. Max. memory is 16.1GB. [2023-08-30 09:18:40,045 INFO L158 Benchmark]: Witness Printer took 59.08ms. Allocated memory is still 427.8MB. Free memory was 158.4MB in the beginning and 148.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 09:18:40,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3492.57ms. Allocated memory was 81.8MB in the beginning and 144.7MB in the end (delta: 62.9MB). Free memory was 49.4MB in the beginning and 87.4MB in the end (delta: -38.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.66ms. Allocated memory is still 144.7MB. Free memory was 87.4MB in the beginning and 74.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.41ms. Allocated memory is still 144.7MB. Free memory was 74.8MB in the beginning and 68.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1178.98ms. Allocated memory is still 144.7MB. Free memory was 68.5MB in the beginning and 58.6MB in the end (delta: 9.9MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * TraceAbstraction took 686054.21ms. Allocated memory was 144.7MB in the beginning and 427.8MB in the end (delta: 283.1MB). Free memory was 57.9MB in the beginning and 158.4MB in the end (delta: -100.5MB). Peak memory consumption was 181.9MB. Max. memory is 16.1GB. * Witness Printer took 59.08ms. Allocated memory is still 427.8MB. Free memory was 158.4MB in the beginning and 148.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 681.8s, 825 PlacesBefore, 61 PlacesAfterwards, 865 TransitionsBefore, 73 TransitionsAfterwards, 14790 CoEnabledTransitionPairs, 11 FixpointIterations, 689 TrivialSequentialCompositions, 243 ConcurrentSequentialCompositions, 77 TrivialYvCompositions, 16 ConcurrentYvCompositions, 28 ChoiceCompositions, 1053 TotalNumberOfCompositions, 12568 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11376, independent: 11305, independent conditional: 0, independent unconditional: 11305, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7878, independent: 7847, independent conditional: 0, independent unconditional: 7847, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11376, independent: 3458, independent conditional: 0, independent unconditional: 3458, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 7878, unknown conditional: 0, unknown unconditional: 7878] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, 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, 1038 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: 685.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 682.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 149 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, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1115 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 09:18:40,096 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