./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 909ac4a0759ef983043c9b719c98f62619de8f2ef2b7de901a6c88151af6e801 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 09:25:55,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 09:25:55,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 09:25:55,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 09:25:55,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 09:25:55,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 09:25:55,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 09:25:55,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 09:25:55,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 09:25:55,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 09:25:55,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 09:25:55,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 09:25:55,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 09:25:55,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 09:25:55,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 09:25:55,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 09:25:55,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 09:25:55,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 09:25:55,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 09:25:55,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 09:25:55,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 09:25:55,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 09:25:55,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 09:25:55,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 09:25:55,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 09:25:55,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 09:25:55,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 09:25:55,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 09:25:55,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 09:25:55,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 09:25:55,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 09:25:55,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 09:25:55,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 09:25:55,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 09:25:55,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 09:25:55,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 09:25:55,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 09:25:55,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 09:25:55,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 09:25:55,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 09:25:55,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 09:25:55,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 09:25:55,167 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 09:25:55,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 09:25:55,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 09:25:55,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 09:25:55,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 09:25:55,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 09:25:55,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 09:25:55,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 09:25:55,173 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 09:25:55,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 09:25:55,174 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 09:25:55,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 09:25:55,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 09:25:55,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 09:25:55,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 09:25:55,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 09:25:55,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 09:25:55,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 09:25:55,176 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 09:25:55,176 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 09:25:55,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 09:25:55,176 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 09:25:55,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 09:25:55,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 09:25:55,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 09:25:55,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 09:25:55,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:25:55,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 09:25:55,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 09:25:55,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 09:25:55,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 09:25:55,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 09:25:55,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 09:25:55,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 09:25:55,179 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 09:25:55,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 09:25:55,180 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 09:25:55,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909ac4a0759ef983043c9b719c98f62619de8f2ef2b7de901a6c88151af6e801 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 09:25:55,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 09:25:55,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 09:25:55,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 09:25:55,507 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 09:25:55,508 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 09:25:55,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-30 09:25:56,788 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 09:25:57,273 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 09:25:57,273 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-30 09:25:57,316 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608a304c3/02af4796b4424ec081315f1a40b74c2c/FLAGf210fdfe7 [2023-08-30 09:25:57,333 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608a304c3/02af4796b4424ec081315f1a40b74c2c [2023-08-30 09:25:57,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 09:25:57,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 09:25:57,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 09:25:57,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 09:25:57,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 09:25:57,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:25:57" (1/1) ... [2023-08-30 09:25:57,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e344571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:25:57, skipping insertion in model container [2023-08-30 09:25:57,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:25:57" (1/1) ... [2023-08-30 09:25:57,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 09:25:57,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 09:25:57,741 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_open_pc8736x_gpio_get.i[5469,5482] [2023-08-30 09:26:00,045 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:26:00,515 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:26:00,515 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:26:00,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:26:00,603 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 09:26:00,626 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_open_pc8736x_gpio_get.i[5469,5482] [2023-08-30 09:26:00,805 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:26:00,862 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:26:00,862 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:26:00,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:26:01,461 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:26:01,462 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:26:01,462 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:26:01,462 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:26:01,462 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:26:01,462 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:26:01,462 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:26:01,468 INFO L208 MainTranslator]: Completed translation [2023-08-30 09:26:01,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01 WrapperNode [2023-08-30 09:26:01,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 09:26:01,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 09:26:01,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 09:26:01,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 09:26:01,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,614 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 665 [2023-08-30 09:26:01,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 09:26:01,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 09:26:01,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 09:26:01,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 09:26:01,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,654 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 09:26:01,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 09:26:01,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 09:26:01,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 09:26:01,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (1/1) ... [2023-08-30 09:26:01,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:26:01,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:26:01,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 09:26:01,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 09:26:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 09:26:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 09:26:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 09:26:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 09:26:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 09:26:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 09:26:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-30 09:26:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-30 09:26:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 09:26:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 09:26:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 09:26:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 09:26:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 09:26:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 09:26:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 09:26:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 09:26:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 09:26:01,858 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 09:26:02,297 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 09:26:02,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 09:26:03,050 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 09:26:03,061 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 09:26:03,061 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2023-08-30 09:26:03,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:26:03 BoogieIcfgContainer [2023-08-30 09:26:03,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 09:26:03,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 09:26:03,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 09:26:03,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 09:26:03,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 09:25:57" (1/3) ... [2023-08-30 09:26:03,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d36edaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:26:03, skipping insertion in model container [2023-08-30 09:26:03,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:26:01" (2/3) ... [2023-08-30 09:26:03,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d36edaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:26:03, skipping insertion in model container [2023-08-30 09:26:03,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:26:03" (3/3) ... [2023-08-30 09:26:03,070 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-30 09:26:03,077 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 09:26:03,085 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 09:26:03,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-30 09:26:03,085 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 09:26:03,203 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 09:26:03,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 711 places, 748 transitions, 1512 flow [2023-08-30 09:26:03,467 INFO L130 PetriNetUnfolder]: 44/746 cut-off events. [2023-08-30 09:26:03,467 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 09:26:03,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 746 events. 44/746 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 915 event pairs, 0 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 695. Up to 9 conditions per place. [2023-08-30 09:26:03,476 INFO L82 GeneralOperation]: Start removeDead. Operand has 711 places, 748 transitions, 1512 flow [2023-08-30 09:26:03,486 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 532 places, 550 transitions, 1100 flow [2023-08-30 09:26:03,491 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 09:26:03,503 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 532 places, 550 transitions, 1100 flow [2023-08-30 09:26:03,509 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 532 places, 550 transitions, 1100 flow [2023-08-30 09:26:03,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 532 places, 550 transitions, 1100 flow [2023-08-30 09:26:03,622 INFO L130 PetriNetUnfolder]: 19/550 cut-off events. [2023-08-30 09:26:03,623 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:26:03,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 550 events. 19/550 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 211 event pairs, 0 based on Foata normal form. 0/510 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2023-08-30 09:26:03,626 INFO L119 LiptonReduction]: Number of co-enabled transitions 0 [2023-08-30 09:27:12,387 WARN L222 SmtUtils]: Spent 21.78s on a formula simplification that was a NOOP. DAG size: 418 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:27:28,712 WARN L222 SmtUtils]: Spent 16.31s on a formula simplification that was a NOOP. DAG size: 346 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:27:44,680 WARN L222 SmtUtils]: Spent 15.96s on a formula simplification that was a NOOP. DAG size: 418 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:27:56,776 WARN L222 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 346 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:28:17,958 WARN L222 SmtUtils]: Spent 19.26s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:28:37,255 WARN L222 SmtUtils]: Spent 19.30s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:29:21,905 WARN L222 SmtUtils]: Spent 44.65s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:30:09,876 WARN L222 SmtUtils]: Spent 47.97s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:32:16,964 WARN L222 SmtUtils]: Spent 1.97m on a formula simplification. DAG size of input: 590 DAG size of output: 585 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:33:23,272 WARN L222 SmtUtils]: Spent 1.10m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:35:28,158 WARN L222 SmtUtils]: Spent 2.08m on a formula simplification. DAG size of input: 593 DAG size of output: 588 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:36:30,569 WARN L222 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 584 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:36:30,571 INFO L134 LiptonReduction]: Checked pairs total: 0 [2023-08-30 09:36:30,571 INFO L136 LiptonReduction]: Total number of compositions: 658 [2023-08-30 09:36:30,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 09:36:30,587 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;@574c4240, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 09:36:30,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-08-30 09:36:30,594 INFO L130 PetriNetUnfolder]: 2/4 cut-off events. [2023-08-30 09:36:30,594 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:36:30,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:36:30,595 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 09:36:30,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 09:36:30,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:36:30,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2473016, now seen corresponding path program 1 times [2023-08-30 09:36:30,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:36:30,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019011521] [2023-08-30 09:36:30,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:36:30,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:36:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:36:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:36:31,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:36:31,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019011521] [2023-08-30 09:36:31,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019011521] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:36:31,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:36:31,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:36:31,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586877836] [2023-08-30 09:36:31,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:36:31,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 09:36:31,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:36:31,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 09:36:31,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 09:36:31,186 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 702 out of 1406 [2023-08-30 09:36:31,191 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 35 transitions, 70 flow. Second operand has 2 states, 2 states have (on average 703.5) internal successors, (1407), 2 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:36:31,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 702 of 1406 [2023-08-30 09:36:31,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:36:31,328 INFO L130 PetriNetUnfolder]: 4/14 cut-off events. [2023-08-30 09:36:31,329 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:36:31,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 14 events. 4/14 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 16 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2023-08-30 09:36:31,330 INFO L137 encePairwiseOnDemand]: 1385/1406 looper letters, 14 selfloop transitions, 0 changer transitions 0/14 dead transitions. [2023-08-30 09:36:31,330 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 14 transitions, 56 flow [2023-08-30 09:36:31,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 09:36:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 09:36:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1439 transitions. [2023-08-30 09:36:31,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5117354196301565 [2023-08-30 09:36:31,358 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1439 transitions. [2023-08-30 09:36:31,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1439 transitions. [2023-08-30 09:36:31,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:36:31,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1439 transitions. [2023-08-30 09:36:31,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 719.5) internal successors, (1439), 2 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1406.0) internal successors, (4218), 3 states have internal predecessors, (4218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,379 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1406.0) internal successors, (4218), 3 states have internal predecessors, (4218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,381 INFO L175 Difference]: Start difference. First operand has 29 places, 35 transitions, 70 flow. Second operand 2 states and 1439 transitions. [2023-08-30 09:36:31,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 14 transitions, 56 flow [2023-08-30 09:36:31,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 14 transitions, 56 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 09:36:31,384 INFO L231 Difference]: Finished difference. Result has 12 places, 14 transitions, 28 flow [2023-08-30 09:36:31,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1406, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=28, PETRI_PLACES=12, PETRI_TRANSITIONS=14} [2023-08-30 09:36:31,388 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -17 predicate places. [2023-08-30 09:36:31,388 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 14 transitions, 28 flow [2023-08-30 09:36:31,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 703.5) internal successors, (1407), 2 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,389 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:36:31,390 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 09:36:31,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 09:36:31,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 09:36:31,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:36:31,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1918243115, now seen corresponding path program 1 times [2023-08-30 09:36:31,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:36:31,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494118991] [2023-08-30 09:36:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:36:31,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:36:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:36:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:36:31,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:36:31,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494118991] [2023-08-30 09:36:31,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494118991] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:36:31,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:36:31,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:36:31,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157810430] [2023-08-30 09:36:31,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:36:31,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:36:31,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:36:31,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:36:31,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:36:31,710 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 692 out of 1406 [2023-08-30 09:36:31,712 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 14 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 693.6666666666666) internal successors, (2081), 3 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,712 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:36:31,713 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 692 of 1406 [2023-08-30 09:36:31,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:36:31,850 INFO L130 PetriNetUnfolder]: 4/12 cut-off events. [2023-08-30 09:36:31,850 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:36:31,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 12 events. 4/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 8 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 24. Up to 7 conditions per place. [2023-08-30 09:36:31,851 INFO L137 encePairwiseOnDemand]: 1401/1406 looper letters, 9 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2023-08-30 09:36:31,851 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 12 transitions, 48 flow [2023-08-30 09:36:31,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:36:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:36:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2090 transitions. [2023-08-30 09:36:31,857 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2023-08-30 09:36:31,857 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2090 transitions. [2023-08-30 09:36:31,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2090 transitions. [2023-08-30 09:36:31,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:36:31,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2090 transitions. [2023-08-30 09:36:31,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 696.6666666666666) internal successors, (2090), 3 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1406.0) internal successors, (5624), 4 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1406.0) internal successors, (5624), 4 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,887 INFO L175 Difference]: Start difference. First operand has 12 places, 14 transitions, 28 flow. Second operand 3 states and 2090 transitions. [2023-08-30 09:36:31,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 12 transitions, 48 flow [2023-08-30 09:36:31,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 12 transitions, 48 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 09:36:31,888 INFO L231 Difference]: Finished difference. Result has 12 places, 12 transitions, 30 flow [2023-08-30 09:36:31,889 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1406, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=30, PETRI_PLACES=12, PETRI_TRANSITIONS=12} [2023-08-30 09:36:31,890 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -17 predicate places. [2023-08-30 09:36:31,890 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 12 transitions, 30 flow [2023-08-30 09:36:31,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 693.6666666666666) internal successors, (2081), 3 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:31,893 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:36:31,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 09:36:31,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 09:36:31,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 09:36:31,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:36:31,897 INFO L85 PathProgramCache]: Analyzing trace with hash 664014905, now seen corresponding path program 1 times [2023-08-30 09:36:31,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:36:31,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145737702] [2023-08-30 09:36:31,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:36:31,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:36:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:36:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:36:32,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:36:32,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145737702] [2023-08-30 09:36:32,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145737702] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:36:32,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:36:32,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:36:32,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72492628] [2023-08-30 09:36:32,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:36:32,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:36:32,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:36:32,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:36:32,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:36:32,178 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 695 out of 1406 [2023-08-30 09:36:32,181 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 12 transitions, 30 flow. Second operand has 3 states, 3 states have (on average 697.0) internal successors, (2091), 3 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:32,181 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:36:32,181 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 695 of 1406 [2023-08-30 09:36:32,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:36:32,706 INFO L130 PetriNetUnfolder]: 4/13 cut-off events. [2023-08-30 09:36:32,706 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:36:32,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 13 events. 4/13 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/8 useless extension candidates. Maximal degree in co-relation 29. Up to 12 conditions per place. [2023-08-30 09:36:32,707 INFO L137 encePairwiseOnDemand]: 1401/1406 looper letters, 10 selfloop transitions, 3 changer transitions 0/13 dead transitions. [2023-08-30 09:36:32,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 13 transitions, 58 flow [2023-08-30 09:36:32,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:36:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:36:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2100 transitions. [2023-08-30 09:36:32,713 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49786628733997157 [2023-08-30 09:36:32,713 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2100 transitions. [2023-08-30 09:36:32,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2100 transitions. [2023-08-30 09:36:32,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:36:32,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2100 transitions. [2023-08-30 09:36:32,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 700.0) internal successors, (2100), 3 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:32,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1406.0) internal successors, (5624), 4 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:32,728 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1406.0) internal successors, (5624), 4 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:32,728 INFO L175 Difference]: Start difference. First operand has 12 places, 12 transitions, 30 flow. Second operand 3 states and 2100 transitions. [2023-08-30 09:36:32,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 13 transitions, 58 flow [2023-08-30 09:36:32,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 13 transitions, 52 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 09:36:32,730 INFO L231 Difference]: Finished difference. Result has 13 places, 13 transitions, 41 flow [2023-08-30 09:36:32,730 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1406, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=41, PETRI_PLACES=13, PETRI_TRANSITIONS=13} [2023-08-30 09:36:32,731 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -16 predicate places. [2023-08-30 09:36:32,731 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 13 transitions, 41 flow [2023-08-30 09:36:32,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 697.0) internal successors, (2091), 3 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:32,733 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:36:32,733 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:36:32,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 09:36:32,733 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 09:36:32,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:36:32,734 INFO L85 PathProgramCache]: Analyzing trace with hash -890369253, now seen corresponding path program 1 times [2023-08-30 09:36:32,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:36:32,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058708099] [2023-08-30 09:36:32,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:36:32,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:36:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:36:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:36:32,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:36:32,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058708099] [2023-08-30 09:36:32,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058708099] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:36:32,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477661113] [2023-08-30 09:36:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:36:32,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:36:32,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:36:33,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 09:36:33,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-30 09:36:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:36:33,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-30 09:36:33,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:36:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:36:33,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 09:36:33,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477661113] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:36:33,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 09:36:33,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-08-30 09:36:33,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726292762] [2023-08-30 09:36:33,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:36:33,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 09:36:33,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:36:33,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 09:36:33,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-30 09:36:33,548 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 695 out of 1406 [2023-08-30 09:36:33,550 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 13 transitions, 41 flow. Second operand has 4 states, 4 states have (on average 696.75) internal successors, (2787), 4 states have internal predecessors, (2787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:33,551 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:36:33,551 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 695 of 1406 [2023-08-30 09:36:33,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:36:33,877 INFO L130 PetriNetUnfolder]: 4/12 cut-off events. [2023-08-30 09:36:33,877 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 09:36:33,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 12 events. 4/12 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 30. Up to 8 conditions per place. [2023-08-30 09:36:33,878 INFO L137 encePairwiseOnDemand]: 1402/1406 looper letters, 9 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2023-08-30 09:36:33,878 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 12 transitions, 61 flow [2023-08-30 09:36:33,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 09:36:33,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 09:36:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2793 transitions. [2023-08-30 09:36:33,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4966216216216216 [2023-08-30 09:36:33,885 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2793 transitions. [2023-08-30 09:36:33,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2793 transitions. [2023-08-30 09:36:33,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:36:33,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2793 transitions. [2023-08-30 09:36:33,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 698.25) internal successors, (2793), 4 states have internal predecessors, (2793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:33,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1406.0) internal successors, (7030), 5 states have internal predecessors, (7030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:33,904 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1406.0) internal successors, (7030), 5 states have internal predecessors, (7030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:33,904 INFO L175 Difference]: Start difference. First operand has 13 places, 13 transitions, 41 flow. Second operand 4 states and 2793 transitions. [2023-08-30 09:36:33,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 12 transitions, 61 flow [2023-08-30 09:36:33,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 12 transitions, 56 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 09:36:33,905 INFO L231 Difference]: Finished difference. Result has 14 places, 12 transitions, 38 flow [2023-08-30 09:36:33,906 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1406, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=38, PETRI_PLACES=14, PETRI_TRANSITIONS=12} [2023-08-30 09:36:33,906 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -15 predicate places. [2023-08-30 09:36:33,906 INFO L495 AbstractCegarLoop]: Abstraction has has 14 places, 12 transitions, 38 flow [2023-08-30 09:36:33,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 696.75) internal successors, (2787), 4 states have internal predecessors, (2787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:33,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:36:33,908 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:36:33,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-30 09:36:34,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:36:34,117 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 09:36:34,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:36:34,118 INFO L85 PathProgramCache]: Analyzing trace with hash -890369225, now seen corresponding path program 1 times [2023-08-30 09:36:34,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:36:34,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288665184] [2023-08-30 09:36:34,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:36:34,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:36:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:36:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:36:34,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:36:34,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288665184] [2023-08-30 09:36:34,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288665184] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:36:34,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:36:34,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:36:34,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914711414] [2023-08-30 09:36:34,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:36:34,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:36:34,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:36:34,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:36:34,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:36:34,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 694 out of 1406 [2023-08-30 09:36:34,367 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 12 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 696.3333333333334) internal successors, (2089), 3 states have internal predecessors, (2089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:34,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:36:34,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 694 of 1406 [2023-08-30 09:36:34,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:36:34,991 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 09:36:34,991 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 09:36:34,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 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 28. Up to 8 conditions per place. [2023-08-30 09:36:34,991 INFO L137 encePairwiseOnDemand]: 1403/1406 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2023-08-30 09:36:34,992 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 11 transitions, 56 flow [2023-08-30 09:36:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:36:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:36:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2093 transitions. [2023-08-30 09:36:34,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49620673304883833 [2023-08-30 09:36:34,997 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2093 transitions. [2023-08-30 09:36:34,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2093 transitions. [2023-08-30 09:36:34,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:36:34,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2093 transitions. [2023-08-30 09:36:35,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 697.6666666666666) internal successors, (2093), 3 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:35,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1406.0) internal successors, (5624), 4 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:35,009 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1406.0) internal successors, (5624), 4 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:35,009 INFO L175 Difference]: Start difference. First operand has 14 places, 12 transitions, 38 flow. Second operand 3 states and 2093 transitions. [2023-08-30 09:36:35,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 11 transitions, 56 flow [2023-08-30 09:36:35,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 11 transitions, 51 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 09:36:35,010 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-30 09:36:35,010 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1406, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=11, 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=3, PETRI_FLOW=0, PETRI_PLACES=13, PETRI_TRANSITIONS=0} [2023-08-30 09:36:35,011 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -16 predicate places. [2023-08-30 09:36:35,011 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-30 09:36:35,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 696.3333333333334) internal successors, (2089), 3 states have internal predecessors, (2089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:36:35,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2023-08-30 09:36:35,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2023-08-30 09:36:35,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2023-08-30 09:36:35,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2023-08-30 09:36:35,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2023-08-30 09:36:35,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2023-08-30 09:36:35,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2023-08-30 09:36:35,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2023-08-30 09:36:35,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2023-08-30 09:36:35,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2023-08-30 09:36:35,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2023-08-30 09:36:35,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2023-08-30 09:36:35,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2023-08-30 09:36:35,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2023-08-30 09:36:35,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2023-08-30 09:36:35,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2023-08-30 09:36:35,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2023-08-30 09:36:35,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2023-08-30 09:36:35,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2023-08-30 09:36:35,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2023-08-30 09:36:35,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2023-08-30 09:36:35,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2023-08-30 09:36:35,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 24 remaining) [2023-08-30 09:36:35,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 24 remaining) [2023-08-30 09:36:35,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 09:36:35,020 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-30 09:36:35,023 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 09:36:35,023 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 09:36:35,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 09:36:35 BasicIcfg [2023-08-30 09:36:35,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 09:36:35,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 09:36:35,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 09:36:35,027 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 09:36:35,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:26:03" (3/4) ... [2023-08-30 09:36:35,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 09:36:35,035 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_open [2023-08-30 09:36:35,035 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 09:36:35,046 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-30 09:36:35,046 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 09:36:35,047 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-30 09:36:35,048 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 09:36:35,108 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 09:36:35,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 09:36:35,109 INFO L158 Benchmark]: Toolchain (without parser) took 637770.94ms. Allocated memory was 86.0MB in the beginning and 346.0MB in the end (delta: 260.0MB). Free memory was 55.2MB in the beginning and 118.9MB in the end (delta: -63.7MB). Peak memory consumption was 196.1MB. Max. memory is 16.1GB. [2023-08-30 09:36:35,109 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 09:36:35,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4129.40ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 54.9MB in the beginning and 50.5MB in the end (delta: 4.4MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2023-08-30 09:36:35,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.94ms. Allocated memory is still 125.8MB. Free memory was 50.5MB in the beginning and 39.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 09:36:35,110 INFO L158 Benchmark]: Boogie Preprocessor took 50.58ms. Allocated memory is still 125.8MB. Free memory was 39.3MB in the beginning and 33.7MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 09:36:35,110 INFO L158 Benchmark]: RCFGBuilder took 1397.62ms. Allocated memory is still 125.8MB. Free memory was 33.7MB in the beginning and 56.8MB in the end (delta: -23.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-08-30 09:36:35,110 INFO L158 Benchmark]: TraceAbstraction took 631961.11ms. Allocated memory was 125.8MB in the beginning and 346.0MB in the end (delta: 220.2MB). Free memory was 56.3MB in the beginning and 128.3MB in the end (delta: -72.0MB). Peak memory consumption was 149.2MB. Max. memory is 16.1GB. [2023-08-30 09:36:35,111 INFO L158 Benchmark]: Witness Printer took 81.09ms. Allocated memory is still 346.0MB. Free memory was 128.3MB in the beginning and 118.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 09:36:35,112 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 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4129.40ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 54.9MB in the beginning and 50.5MB in the end (delta: 4.4MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.94ms. Allocated memory is still 125.8MB. Free memory was 50.5MB in the beginning and 39.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.58ms. Allocated memory is still 125.8MB. Free memory was 39.3MB in the beginning and 33.7MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1397.62ms. Allocated memory is still 125.8MB. Free memory was 33.7MB in the beginning and 56.8MB in the end (delta: -23.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * TraceAbstraction took 631961.11ms. Allocated memory was 125.8MB in the beginning and 346.0MB in the end (delta: 220.2MB). Free memory was 56.3MB in the beginning and 128.3MB in the end (delta: -72.0MB). Peak memory consumption was 149.2MB. Max. memory is 16.1GB. * Witness Printer took 81.09ms. Allocated memory is still 346.0MB. Free memory was 128.3MB in the beginning and 118.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 627.1s, 532 PlacesBefore, 29 PlacesAfterwards, 550 TransitionsBefore, 35 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 10 FixpointIterations, 597 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 49 TrivialYvCompositions, 0 ConcurrentYvCompositions, 12 ChoiceCompositions, 658 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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, 790 locations, 24 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: 631.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 627.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 2 mSDtfsCounter, 176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1113 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 2/3 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 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 09:36:35,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE