./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 TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_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 TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:19:35,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:19:35,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:19:35,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:19:35,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:19:35,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:19:35,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:19:35,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:19:35,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:19:35,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:19:35,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:19:35,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:19:35,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:19:35,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:19:35,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:19:35,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:19:35,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:19:35,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:19:35,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:19:35,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:19:35,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:19:35,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:19:35,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:19:35,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:19:35,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:19:35,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:19:35,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:19:35,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:19:35,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:19:35,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:19:35,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:19:35,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:19:35,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:19:35,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:19:35,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:19:35,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:19:35,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:19:35,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:19:35,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:19:35,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:19:35,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:19:35,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:19:35,905 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:19:35,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:19:35,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:19:35,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:19:35,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:19:35,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:19:35,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:19:35,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:19:35,909 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:19:35,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:19:35,910 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:19:35,910 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:19:35,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:19:35,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:19:35,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:19:35,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:19:35,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:19:35,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:19:35,911 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:19:35,911 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:19:35,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:19:35,911 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:19:35,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:19:35,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:19:35,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:19:35,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:19:35,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:19:35,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:19:35,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:19:35,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:19:35,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:19:35,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:19:35,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:19:35,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:19:35,914 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:19:35,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:19:35,914 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:19:35,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7b584daec49a40dea8b0111f29f8cb062ca3b12b5b166ebb1701b9de8e509ce Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:19:36,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:19:36,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:19:36,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:19:36,210 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:19:36,210 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:19:36,211 INFO L432 ainManager$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 13:19:37,283 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:19:37,766 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:19:37,766 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 13:19:37,807 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8720086f/c0c9f2bd542a45b6a58341fe3aaf9de1/FLAGedf54ba38 [2023-08-30 13:19:37,826 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8720086f/c0c9f2bd542a45b6a58341fe3aaf9de1 [2023-08-30 13:19:37,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:19:37,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:19:37,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:19:37,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:19:37,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:19:37,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:19:37" (1/1) ... [2023-08-30 13:19:37,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201823d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:37, skipping insertion in model container [2023-08-30 13:19:37,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:19:37" (1/1) ... [2023-08-30 13:19:37,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:19:37,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:19:38,221 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 13:19:40,703 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:19:41,180 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:19:41,180 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:19:41,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:19:41,277 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:19:41,300 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 13:19:41,483 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:19:41,541 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:19:41,541 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:19:41,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:19:42,042 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:42,043 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:42,043 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:42,043 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:42,043 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:42,043 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:42,043 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:19:42,049 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:19:42,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42 WrapperNode [2023-08-30 13:19:42,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:19:42,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:19:42,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:19:42,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:19:42,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,240 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 763 [2023-08-30 13:19:42,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:19:42,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:19:42,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:19:42,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:19:42,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,329 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:19:42,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:19:42,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:19:42,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:19:42,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (1/1) ... [2023-08-30 13:19:42,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:19:42,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:19:42,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 13:19:42,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 13:19:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 13:19:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 13:19:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:19:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 13:19:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 13:19:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 13:19:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:19:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:19:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 13:19:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:19:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 13:19:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:19:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 13:19:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 13:19:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 13:19:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:19:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 13:19:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 13:19:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:19:42,417 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 13:19:42,816 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:19:42,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:19:43,603 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:19:43,630 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:19:43,630 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2023-08-30 13:19:43,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:19:43 BoogieIcfgContainer [2023-08-30 13:19:43,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:19:43,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:19:43,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:19:43,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:19:43,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:19:37" (1/3) ... [2023-08-30 13:19:43,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abcdf49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:19:43, skipping insertion in model container [2023-08-30 13:19:43,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:19:42" (2/3) ... [2023-08-30 13:19:43,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abcdf49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:19:43, skipping insertion in model container [2023-08-30 13:19:43,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:19:43" (3/3) ... [2023-08-30 13:19:43,640 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2023-08-30 13:19:43,646 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:19:43,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:19:43,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-30 13:19:43,655 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:19:43,850 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 13:19:43,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 835 places, 875 transitions, 1766 flow [2023-08-30 13:19:44,166 INFO L130 PetriNetUnfolder]: 47/873 cut-off events. [2023-08-30 13:19:44,167 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:19:44,193 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 13:19:44,194 INFO L82 GeneralOperation]: Start removeDead. Operand has 835 places, 875 transitions, 1766 flow [2023-08-30 13:19:44,202 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 825 places, 865 transitions, 1739 flow [2023-08-30 13:19:44,205 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:19:44,212 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 825 places, 865 transitions, 1739 flow [2023-08-30 13:19:44,215 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 825 places, 865 transitions, 1739 flow [2023-08-30 13:19:44,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 825 places, 865 transitions, 1739 flow [2023-08-30 13:19:44,362 INFO L130 PetriNetUnfolder]: 47/865 cut-off events. [2023-08-30 13:19:44,363 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 13:19:44,366 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 13:19:44,373 INFO L119 LiptonReduction]: Number of co-enabled transitions 14790 [2023-08-30 13:21:57,943 WARN L222 SmtUtils]: Spent 28.29s 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 13:22:11,713 WARN L222 SmtUtils]: Spent 13.76s 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 13:22:50,057 WARN L222 SmtUtils]: Spent 38.34s 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 13:23:03,425 WARN L222 SmtUtils]: Spent 13.37s 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 13:25:34,544 WARN L222 SmtUtils]: Spent 2.49m 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 13:26:39,789 WARN L222 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:29:17,084 WARN L222 SmtUtils]: Spent 2.62m 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 13:30:27,633 WARN L222 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 584 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:30:45,664 WARN L222 SmtUtils]: Spent 6.21s 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 13:30:47,476 INFO L134 LiptonReduction]: Checked pairs total: 12568 [2023-08-30 13:30:47,476 INFO L136 LiptonReduction]: Total number of compositions: 1053 [2023-08-30 13:30:47,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:30:47,491 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;@11878b39, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:30:47,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2023-08-30 13:30:47,498 INFO L130 PetriNetUnfolder]: 2/5 cut-off events. [2023-08-30 13:30:47,498 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:30:47,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:47,499 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 13:30:47,499 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 13:30:47,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:47,503 INFO L85 PathProgramCache]: Analyzing trace with hash 3261030, now seen corresponding path program 1 times [2023-08-30 13:30:47,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:47,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373068616] [2023-08-30 13:30:47,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:47,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:30:47,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:47,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373068616] [2023-08-30 13:30:47,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373068616] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:30:47,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:30:47,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:30:47,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18569779] [2023-08-30 13:30:47,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:30:47,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 13:30:47,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:47,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 13:30:47,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 13:30:47,980 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 822 out of 1928 [2023-08-30 13:30:47,984 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 13:30:47,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:47,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 822 of 1928 [2023-08-30 13:30:47,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:48,213 INFO L130 PetriNetUnfolder]: 34/79 cut-off events. [2023-08-30 13:30:48,213 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-30 13:30:48,214 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 13:30:48,215 INFO L137 encePairwiseOnDemand]: 1890/1928 looper letters, 13 selfloop transitions, 0 changer transitions 22/35 dead transitions. [2023-08-30 13:30:48,215 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 149 flow [2023-08-30 13:30:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 13:30:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 13:30:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1717 transitions. [2023-08-30 13:30:48,233 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44528008298755184 [2023-08-30 13:30:48,234 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1717 transitions. [2023-08-30 13:30:48,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1717 transitions. [2023-08-30 13:30:48,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:48,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1717 transitions. [2023-08-30 13:30:48,245 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 13:30:48,255 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 13:30:48,258 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 13:30:48,260 INFO L175 Difference]: Start difference. First operand has 61 places, 73 transitions, 155 flow. Second operand 2 states and 1717 transitions. [2023-08-30 13:30:48,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 149 flow [2023-08-30 13:30:48,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 35 transitions, 144 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 13:30:48,264 INFO L231 Difference]: Finished difference. Result has 30 places, 13 transitions, 26 flow [2023-08-30 13:30:48,265 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 13:30:48,268 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -31 predicate places. [2023-08-30 13:30:48,268 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 13 transitions, 26 flow [2023-08-30 13:30:48,270 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 13:30:48,270 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:48,270 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:30:48,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:30:48,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-08-30 13:30:48,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:48,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1160858091, now seen corresponding path program 1 times [2023-08-30 13:30:48,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:48,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428687487] [2023-08-30 13:30:48,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:48,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:30:48,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:48,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428687487] [2023-08-30 13:30:48,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428687487] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:30:48,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:30:48,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:30:48,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442196908] [2023-08-30 13:30:48,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:30:48,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:30:48,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:48,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:30:48,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:30:48,595 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 812 out of 1928 [2023-08-30 13:30:48,598 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 13:30:48,598 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:48,599 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 812 of 1928 [2023-08-30 13:30:48,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:48,788 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 13:30:48,788 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:30:48,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 11 events. 4/11 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 22. Up to 6 conditions per place. [2023-08-30 13:30:48,789 INFO L137 encePairwiseOnDemand]: 1923/1928 looper letters, 8 selfloop transitions, 3 changer transitions 0/11 dead transitions. [2023-08-30 13:30:48,789 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 11 places, 11 transitions, 44 flow [2023-08-30 13:30:48,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:30:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:30:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2449 transitions. [2023-08-30 13:30:48,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4234094052558783 [2023-08-30 13:30:48,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2449 transitions. [2023-08-30 13:30:48,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2449 transitions. [2023-08-30 13:30:48,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:48,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2449 transitions. [2023-08-30 13:30:48,803 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 13:30:48,813 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 13:30:48,817 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 13:30:48,817 INFO L175 Difference]: Start difference. First operand has 30 places, 13 transitions, 26 flow. Second operand 3 states and 2449 transitions. [2023-08-30 13:30:48,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 11 places, 11 transitions, 44 flow [2023-08-30 13:30:48,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 11 transitions, 44 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 13:30:48,818 INFO L231 Difference]: Finished difference. Result has 11 places, 11 transitions, 28 flow [2023-08-30 13:30:48,818 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 13:30:48,819 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -50 predicate places. [2023-08-30 13:30:48,820 INFO L495 AbstractCegarLoop]: Abstraction has has 11 places, 11 transitions, 28 flow [2023-08-30 13:30:48,822 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 13:30:48,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:48,822 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:30:48,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:30:48,823 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-08-30 13:30:48,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:48,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1626850342, now seen corresponding path program 1 times [2023-08-30 13:30:48,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:48,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835539081] [2023-08-30 13:30:48,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:30:49,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:49,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835539081] [2023-08-30 13:30:49,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835539081] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:30:49,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:30:49,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:30:49,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697859776] [2023-08-30 13:30:49,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:30:49,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:30:49,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:49,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:30:49,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:30:49,115 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 815 out of 1928 [2023-08-30 13:30:49,118 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 13:30:49,118 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:49,118 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 815 of 1928 [2023-08-30 13:30:49,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:49,347 INFO L130 PetriNetUnfolder]: 4/12 cut-off events. [2023-08-30 13:30:49,348 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:30:49,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 12 events. 4/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/8 useless extension candidates. Maximal degree in co-relation 27. Up to 11 conditions per place. [2023-08-30 13:30:49,349 INFO L137 encePairwiseOnDemand]: 1924/1928 looper letters, 9 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2023-08-30 13:30:49,349 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 12 transitions, 54 flow [2023-08-30 13:30:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:30:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:30:49,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2458 transitions. [2023-08-30 13:30:49,356 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42496542185338865 [2023-08-30 13:30:49,356 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2458 transitions. [2023-08-30 13:30:49,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2458 transitions. [2023-08-30 13:30:49,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:49,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2458 transitions. [2023-08-30 13:30:49,362 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 13:30:49,372 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 13:30:49,375 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 13:30:49,376 INFO L175 Difference]: Start difference. First operand has 11 places, 11 transitions, 28 flow. Second operand 3 states and 2458 transitions. [2023-08-30 13:30:49,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 12 transitions, 54 flow [2023-08-30 13:30:49,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 12 transitions, 48 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 13:30:49,377 INFO L231 Difference]: Finished difference. Result has 12 places, 12 transitions, 37 flow [2023-08-30 13:30:49,377 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 13:30:49,378 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -49 predicate places. [2023-08-30 13:30:49,378 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 12 transitions, 37 flow [2023-08-30 13:30:49,379 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 13:30:49,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:49,380 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:30:49,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:30:49,380 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-08-30 13:30:49,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:49,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1107250040, now seen corresponding path program 1 times [2023-08-30 13:30:49,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:49,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327145960] [2023-08-30 13:30:49,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:49,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:49,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:30:49,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:49,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327145960] [2023-08-30 13:30:49,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327145960] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:30:49,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700058778] [2023-08-30 13:30:49,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:49,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:30:49,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:30:49,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 13:30:49,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-30 13:30:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:50,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-30 13:30:50,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:30:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:30:50,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 13:30:50,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700058778] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:30:50,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 13:30:50,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-08-30 13:30:50,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311118713] [2023-08-30 13:30:50,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:30:50,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:30:50,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:50,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:30:50,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:30:50,202 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 815 out of 1928 [2023-08-30 13:30:50,206 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 13:30:50,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:50,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 815 of 1928 [2023-08-30 13:30:50,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:50,537 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 13:30:50,537 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:30:50,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 11 events. 4/11 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 27. Up to 8 conditions per place. [2023-08-30 13:30:50,537 INFO L137 encePairwiseOnDemand]: 1924/1928 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2023-08-30 13:30:50,537 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 11 transitions, 55 flow [2023-08-30 13:30:50,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 13:30:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 13:30:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3272 transitions. [2023-08-30 13:30:50,547 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4242738589211618 [2023-08-30 13:30:50,547 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3272 transitions. [2023-08-30 13:30:50,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3272 transitions. [2023-08-30 13:30:50,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:50,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3272 transitions. [2023-08-30 13:30:50,554 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 13:30:50,565 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 13:30:50,579 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 13:30:50,579 INFO L175 Difference]: Start difference. First operand has 12 places, 12 transitions, 37 flow. Second operand 4 states and 3272 transitions. [2023-08-30 13:30:50,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 11 transitions, 55 flow [2023-08-30 13:30:50,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 11 transitions, 50 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 13:30:50,580 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-30 13:30:50,581 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 13:30:50,581 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -48 predicate places. [2023-08-30 13:30:50,582 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-30 13:30:50,583 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 13:30:50,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 44 remaining) [2023-08-30 13:30:50,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 44 remaining) [2023-08-30 13:30:50,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 44 remaining) [2023-08-30 13:30:50,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 44 remaining) [2023-08-30 13:30:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 44 remaining) [2023-08-30 13:30:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 44 remaining) [2023-08-30 13:30:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 44 remaining) [2023-08-30 13:30:50,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 44 remaining) [2023-08-30 13:30:50,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 44 remaining) [2023-08-30 13:30:50,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 44 remaining) [2023-08-30 13:30:50,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 44 remaining) [2023-08-30 13:30:50,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 44 remaining) [2023-08-30 13:30:50,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 44 remaining) [2023-08-30 13:30:50,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 44 remaining) [2023-08-30 13:30:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 44 remaining) [2023-08-30 13:30:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 44 remaining) [2023-08-30 13:30:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 44 remaining) [2023-08-30 13:30:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 44 remaining) [2023-08-30 13:30:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 44 remaining) [2023-08-30 13:30:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 44 remaining) [2023-08-30 13:30:50,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 44 remaining) [2023-08-30 13:30:50,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 44 remaining) [2023-08-30 13:30:50,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 44 remaining) [2023-08-30 13:30:50,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 44 remaining) [2023-08-30 13:30:50,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 44 remaining) [2023-08-30 13:30:50,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 44 remaining) [2023-08-30 13:30:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 44 remaining) [2023-08-30 13:30:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 44 remaining) [2023-08-30 13:30:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 44 remaining) [2023-08-30 13:30:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 44 remaining) [2023-08-30 13:30:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 44 remaining) [2023-08-30 13:30:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 44 remaining) [2023-08-30 13:30:50,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 44 remaining) [2023-08-30 13:30:50,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 44 remaining) [2023-08-30 13:30:50,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 44 remaining) [2023-08-30 13:30:50,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 44 remaining) [2023-08-30 13:30:50,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 44 remaining) [2023-08-30 13:30:50,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 44 remaining) [2023-08-30 13:30:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 44 remaining) [2023-08-30 13:30:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 44 remaining) [2023-08-30 13:30:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 44 remaining) [2023-08-30 13:30:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 44 remaining) [2023-08-30 13:30:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 44 remaining) [2023-08-30 13:30:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 44 remaining) [2023-08-30 13:30:50,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-30 13:30:50,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:30:50,808 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-30 13:30:50,812 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 13:30:50,812 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 13:30:50,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 01:30:50 BasicIcfg [2023-08-30 13:30:50,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 13:30:50,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 13:30:50,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 13:30:50,815 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 13:30:50,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:19:43" (3/4) ... [2023-08-30 13:30:50,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 13:30:50,821 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 13:30:50,822 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 13:30:50,835 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-30 13:30:50,836 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 13:30:50,837 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-30 13:30:50,837 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 13:30:50,914 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 13:30:50,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 13:30:50,914 INFO L158 Benchmark]: Toolchain (without parser) took 673084.73ms. Allocated memory was 69.2MB in the beginning and 446.7MB in the end (delta: 377.5MB). Free memory was 35.1MB in the beginning and 134.2MB in the end (delta: -99.1MB). Peak memory consumption was 277.7MB. Max. memory is 16.1GB. [2023-08-30 13:30:50,915 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:30:50,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4218.21ms. Allocated memory was 69.2MB in the beginning and 138.4MB in the end (delta: 69.2MB). Free memory was 34.9MB in the beginning and 52.1MB in the end (delta: -17.2MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2023-08-30 13:30:50,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.12ms. Allocated memory is still 138.4MB. Free memory was 52.1MB in the beginning and 73.1MB in the end (delta: -21.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 13:30:50,916 INFO L158 Benchmark]: Boogie Preprocessor took 101.91ms. Allocated memory is still 138.4MB. Free memory was 73.1MB in the beginning and 66.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 13:30:50,916 INFO L158 Benchmark]: RCFGBuilder took 1289.63ms. Allocated memory is still 138.4MB. Free memory was 66.8MB in the beginning and 56.9MB in the end (delta: 9.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-08-30 13:30:50,916 INFO L158 Benchmark]: TraceAbstraction took 667180.13ms. Allocated memory was 138.4MB in the beginning and 446.7MB in the end (delta: 308.3MB). Free memory was 55.5MB in the beginning and 143.6MB in the end (delta: -88.1MB). Peak memory consumption was 218.8MB. Max. memory is 16.1GB. [2023-08-30 13:30:50,916 INFO L158 Benchmark]: Witness Printer took 98.97ms. Allocated memory is still 446.7MB. Free memory was 143.6MB in the beginning and 134.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 13:30:50,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4218.21ms. Allocated memory was 69.2MB in the beginning and 138.4MB in the end (delta: 69.2MB). Free memory was 34.9MB in the beginning and 52.1MB in the end (delta: -17.2MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.12ms. Allocated memory is still 138.4MB. Free memory was 52.1MB in the beginning and 73.1MB in the end (delta: -21.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.91ms. Allocated memory is still 138.4MB. Free memory was 73.1MB in the beginning and 66.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1289.63ms. Allocated memory is still 138.4MB. Free memory was 66.8MB in the beginning and 56.9MB in the end (delta: 9.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * TraceAbstraction took 667180.13ms. Allocated memory was 138.4MB in the beginning and 446.7MB in the end (delta: 308.3MB). Free memory was 55.5MB in the beginning and 143.6MB in the end (delta: -88.1MB). Peak memory consumption was 218.8MB. Max. memory is 16.1GB. * Witness Printer took 98.97ms. Allocated memory is still 446.7MB. Free memory was 143.6MB in the beginning and 134.2MB 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: 663.3s, 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: 666.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 663.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.9s 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, 0.4s SatisfiabilityAnalysisTime, 0.8s 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 13:30:50,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE