./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_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_current_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 8e03212f81563a7fcbc917917e9bcb47cc00163f783be40727098c4a3913b164 --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 09:17:41,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 09:17:41,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 09:17:41,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 09:17:41,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 09:17:41,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 09:17:41,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 09:17:41,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 09:17:41,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 09:17:41,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 09:17:41,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 09:17:41,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 09:17:41,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 09:17:41,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 09:17:41,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 09:17:41,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 09:17:41,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 09:17:41,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 09:17:41,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 09:17:41,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 09:17:41,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 09:17:41,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 09:17:41,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 09:17:41,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 09:17:41,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 09:17:41,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 09:17:41,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 09:17:41,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 09:17:41,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 09:17:41,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 09:17:41,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 09:17:41,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 09:17:41,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 09:17:41,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 09:17:41,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 09:17:41,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 09:17:41,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 09:17:41,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 09:17:41,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 09:17:41,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 09:17:41,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 09:17:41,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 09:17:41,250 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 09:17:41,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 09:17:41,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 09:17:41,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 09:17:41,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 09:17:41,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 09:17:41,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 09:17:41,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 09:17:41,254 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 09:17:41,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 09:17:41,256 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 09:17:41,256 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 09:17:41,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 09:17:41,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 09:17:41,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 09:17:41,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 09:17:41,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 09:17:41,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 09:17:41,257 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 09:17:41,257 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 09:17:41,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 09:17:41,258 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 09:17:41,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 09:17:41,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 09:17:41,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 09:17:41,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 09:17:41,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:17:41,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 09:17:41,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 09:17:41,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 09:17:41,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 09:17:41,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 09:17:41,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 09:17:41,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 09:17:41,260 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 09:17:41,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 09:17:41,261 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 09:17:41,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e03212f81563a7fcbc917917e9bcb47cc00163f783be40727098c4a3913b164 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 09:17:41,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 09:17:41,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 09:17:41,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 09:17:41,596 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 09:17:41,600 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 09:17:41,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-08-30 09:17:42,792 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 09:17:43,263 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 09:17:43,263 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-08-30 09:17:43,306 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67db24b4a/3962f29f6e6847b990293e2299a12b33/FLAGa897e25d0 [2023-08-30 09:17:43,317 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67db24b4a/3962f29f6e6847b990293e2299a12b33 [2023-08-30 09:17:43,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 09:17:43,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 09:17:43,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 09:17:43,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 09:17:43,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 09:17:43,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:17:43" (1/1) ... [2023-08-30 09:17:43,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2481c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:43, skipping insertion in model container [2023-08-30 09:17:43,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:17:43" (1/1) ... [2023-08-30 09:17:43,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 09:17:43,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 09:17:43,731 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_current_pc8736x_gpio_get.i[5469,5482] [2023-08-30 09:17:46,225 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:17:46,705 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:17:46,706 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:17:46,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:17:46,787 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 09:17:46,810 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_current_pc8736x_gpio_get.i[5469,5482] [2023-08-30 09:17:46,981 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:17:47,042 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:17:47,042 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:17:47,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:17:47,533 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:17:47,534 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:17:47,534 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:17:47,534 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:17:47,534 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:17:47,534 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:17:47,534 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:17:47,540 INFO L208 MainTranslator]: Completed translation [2023-08-30 09:17:47,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47 WrapperNode [2023-08-30 09:17:47,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 09:17:47,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 09:17:47,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 09:17:47,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 09:17:47,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,787 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 47, statements flattened = 650 [2023-08-30 09:17:47,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 09:17:47,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 09:17:47,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 09:17:47,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 09:17:47,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 09:17:47,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 09:17:47,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 09:17:47,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 09:17:47,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (1/1) ... [2023-08-30 09:17:47,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:17:47,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:17:47,934 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 09:17:47,955 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 09:17:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 09:17:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 09:17:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 09:17:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 09:17:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 09:17:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 09:17:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 09:17:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 09:17:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 09:17:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 09:17:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 09:17:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 09:17:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 09:17:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 09:17:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 09:17:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 09:17:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 09:17:47,981 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 09:17:48,483 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 09:17:48,484 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 09:17:49,241 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 09:17:49,256 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 09:17:49,256 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-08-30 09:17:49,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:17:49 BoogieIcfgContainer [2023-08-30 09:17:49,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 09:17:49,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 09:17:49,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 09:17:49,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 09:17:49,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 09:17:43" (1/3) ... [2023-08-30 09:17:49,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e2d47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:17:49, skipping insertion in model container [2023-08-30 09:17:49,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:17:47" (2/3) ... [2023-08-30 09:17:49,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e2d47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:17:49, skipping insertion in model container [2023-08-30 09:17:49,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:17:49" (3/3) ... [2023-08-30 09:17:49,265 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-08-30 09:17:49,272 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 09:17:49,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 09:17:49,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-30 09:17:49,280 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 09:17:49,401 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 09:17:49,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 696 places, 731 transitions, 1478 flow [2023-08-30 09:17:49,643 INFO L130 PetriNetUnfolder]: 42/729 cut-off events. [2023-08-30 09:17:49,644 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 09:17:49,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 729 events. 42/729 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 811 event pairs, 0 based on Foata normal form. 0/665 useless extension candidates. Maximal degree in co-relation 683. Up to 9 conditions per place. [2023-08-30 09:17:49,652 INFO L82 GeneralOperation]: Start removeDead. Operand has 696 places, 731 transitions, 1478 flow [2023-08-30 09:17:49,659 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 532 places, 550 transitions, 1100 flow [2023-08-30 09:17:49,662 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 09:17:49,670 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 532 places, 550 transitions, 1100 flow [2023-08-30 09:17:49,672 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 532 places, 550 transitions, 1100 flow [2023-08-30 09:17:49,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 532 places, 550 transitions, 1100 flow [2023-08-30 09:17:49,769 INFO L130 PetriNetUnfolder]: 19/550 cut-off events. [2023-08-30 09:17:49,770 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:17:49,770 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 09:17:49,771 INFO L119 LiptonReduction]: Number of co-enabled transitions 0 [2023-08-30 09:18:58,922 WARN L222 SmtUtils]: Spent 13.64s on a formula simplification. DAG size of input: 292 DAG size of output: 289 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:19:05,789 WARN L222 SmtUtils]: Spent 6.87s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:19:20,425 WARN L222 SmtUtils]: Spent 14.63s on a formula simplification. DAG size of input: 295 DAG size of output: 292 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:19:27,340 WARN L222 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 288 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:21:53,878 WARN L222 SmtUtils]: Spent 2.43m on a formula simplification. DAG size of input: 669 DAG size of output: 667 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:22:55,707 WARN L222 SmtUtils]: Spent 1.03m 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 09:25:03,285 WARN L222 SmtUtils]: Spent 2.13m on a formula simplification. DAG size of input: 672 DAG size of output: 670 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:25:54,361 WARN L222 SmtUtils]: Spent 51.06s 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 09:26:04,569 INFO L134 LiptonReduction]: Checked pairs total: 0 [2023-08-30 09:26:04,569 INFO L136 LiptonReduction]: Total number of compositions: 680 [2023-08-30 09:26:04,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 09:26:04,584 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;@4ab904d7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 09:26:04,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-08-30 09:26:04,591 INFO L130 PetriNetUnfolder]: 2/4 cut-off events. [2023-08-30 09:26:04,592 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:26:04,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:26:04,592 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 09:26:04,593 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 09:26:04,597 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:26:04,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2417338, now seen corresponding path program 1 times [2023-08-30 09:26:04,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:26:04,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507682172] [2023-08-30 09:26:04,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:26:04,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:26:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:26:05,071 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 09:26:05,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:26:05,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507682172] [2023-08-30 09:26:05,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507682172] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:26:05,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:26:05,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:26:05,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094477614] [2023-08-30 09:26:05,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:26:05,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 09:26:05,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:26:05,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 09:26:05,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 09:26:05,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 1411 [2023-08-30 09:26:05,109 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 35 transitions, 70 flow. Second operand has 2 states, 2 states have (on average 688.5) internal successors, (1377), 2 states have internal predecessors, (1377), 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 09:26:05,110 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:26:05,110 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 1411 [2023-08-30 09:26:05,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:26:05,417 INFO L130 PetriNetUnfolder]: 4/14 cut-off events. [2023-08-30 09:26:05,418 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:26:05,418 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 4. Compared 13 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 09:26:05,419 INFO L137 encePairwiseOnDemand]: 1390/1411 looper letters, 14 selfloop transitions, 0 changer transitions 0/14 dead transitions. [2023-08-30 09:26:05,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 14 transitions, 56 flow [2023-08-30 09:26:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 09:26:05,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 09:26:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1409 transitions. [2023-08-30 09:26:05,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49929128277817153 [2023-08-30 09:26:05,438 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1409 transitions. [2023-08-30 09:26:05,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1409 transitions. [2023-08-30 09:26:05,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:26:05,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1409 transitions. [2023-08-30 09:26:05,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 704.5) internal successors, (1409), 2 states have internal predecessors, (1409), 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 09:26:05,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1411.0) internal successors, (4233), 3 states have internal predecessors, (4233), 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 09:26:05,462 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1411.0) internal successors, (4233), 3 states have internal predecessors, (4233), 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 09:26:05,464 INFO L175 Difference]: Start difference. First operand has 29 places, 35 transitions, 70 flow. Second operand 2 states and 1409 transitions. [2023-08-30 09:26:05,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 14 transitions, 56 flow [2023-08-30 09:26:05,466 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 09:26:05,467 INFO L231 Difference]: Finished difference. Result has 12 places, 14 transitions, 28 flow [2023-08-30 09:26:05,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, 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 09:26:05,471 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -17 predicate places. [2023-08-30 09:26:05,471 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 14 transitions, 28 flow [2023-08-30 09:26:05,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 688.5) internal successors, (1377), 2 states have internal predecessors, (1377), 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 09:26:05,472 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:26:05,472 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 09:26:05,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 09:26:05,473 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 09:26:05,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:26:05,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1971725615, now seen corresponding path program 1 times [2023-08-30 09:26:05,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:26:05,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696865442] [2023-08-30 09:26:05,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:26:05,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:26:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:26:05,766 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 09:26:05,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:26:05,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696865442] [2023-08-30 09:26:05,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696865442] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:26:05,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:26:05,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:26:05,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099680471] [2023-08-30 09:26:05,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:26:05,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:26:05,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:26:05,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:26:05,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:26:05,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 677 out of 1411 [2023-08-30 09:26:05,797 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 14 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 678.6666666666666) internal successors, (2036), 3 states have internal predecessors, (2036), 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 09:26:05,798 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:26:05,798 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 677 of 1411 [2023-08-30 09:26:05,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:26:05,974 INFO L130 PetriNetUnfolder]: 4/12 cut-off events. [2023-08-30 09:26:05,975 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:26:05,975 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 2. Compared 6 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 09:26:05,975 INFO L137 encePairwiseOnDemand]: 1406/1411 looper letters, 9 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2023-08-30 09:26:05,975 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 12 transitions, 48 flow [2023-08-30 09:26:05,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:26:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:26:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2045 transitions. [2023-08-30 09:26:05,981 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48310890621308766 [2023-08-30 09:26:05,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2045 transitions. [2023-08-30 09:26:05,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2045 transitions. [2023-08-30 09:26:05,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:26:05,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2045 transitions. [2023-08-30 09:26:05,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 681.6666666666666) internal successors, (2045), 3 states have internal predecessors, (2045), 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 09:26:05,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 09:26:05,999 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 09:26:06,000 INFO L175 Difference]: Start difference. First operand has 12 places, 14 transitions, 28 flow. Second operand 3 states and 2045 transitions. [2023-08-30 09:26:06,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 12 transitions, 48 flow [2023-08-30 09:26:06,001 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 09:26:06,001 INFO L231 Difference]: Finished difference. Result has 12 places, 12 transitions, 30 flow [2023-08-30 09:26:06,001 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, 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 09:26:06,002 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -17 predicate places. [2023-08-30 09:26:06,002 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 12 transitions, 30 flow [2023-08-30 09:26:06,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 678.6666666666666) internal successors, (2036), 3 states have internal predecessors, (2036), 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 09:26:06,004 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:26:06,005 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 09:26:06,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 09:26:06,006 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 09:26:06,008 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:26:06,009 INFO L85 PathProgramCache]: Analyzing trace with hash -993942045, now seen corresponding path program 1 times [2023-08-30 09:26:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:26:06,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883414168] [2023-08-30 09:26:06,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:26:06,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:26:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:26:06,247 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 09:26:06,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:26:06,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883414168] [2023-08-30 09:26:06,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883414168] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:26:06,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:26:06,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:26:06,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335417926] [2023-08-30 09:26:06,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:26:06,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:26:06,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:26:06,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:26:06,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:26:06,273 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 681 out of 1411 [2023-08-30 09:26:06,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 12 transitions, 30 flow. Second operand has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 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 09:26:06,276 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:26:06,276 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 681 of 1411 [2023-08-30 09:26:06,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:26:06,603 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 09:26:06,603 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:26:06,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 11 events. 4/11 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 25. Up to 8 conditions per place. [2023-08-30 09:26:06,604 INFO L137 encePairwiseOnDemand]: 1408/1411 looper letters, 9 selfloop transitions, 2 changer transitions 0/11 dead transitions. [2023-08-30 09:26:06,604 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 11 transitions, 50 flow [2023-08-30 09:26:06,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:26:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:26:06,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2055 transitions. [2023-08-30 09:26:06,610 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48547129695251595 [2023-08-30 09:26:06,610 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2055 transitions. [2023-08-30 09:26:06,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2055 transitions. [2023-08-30 09:26:06,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:26:06,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2055 transitions. [2023-08-30 09:26:06,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 685.0) internal successors, (2055), 3 states have internal predecessors, (2055), 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 09:26:06,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 09:26:06,625 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 09:26:06,626 INFO L175 Difference]: Start difference. First operand has 12 places, 12 transitions, 30 flow. Second operand 3 states and 2055 transitions. [2023-08-30 09:26:06,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 11 transitions, 50 flow [2023-08-30 09:26:06,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 11 transitions, 44 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 09:26:06,627 INFO L231 Difference]: Finished difference. Result has 11 places, 11 transitions, 26 flow [2023-08-30 09:26:06,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, PETRI_DIFFERENCE_MINUEND_FLOW=22, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=26, PETRI_PLACES=11, PETRI_TRANSITIONS=11} [2023-08-30 09:26:06,628 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -18 predicate places. [2023-08-30 09:26:06,629 INFO L495 AbstractCegarLoop]: Abstraction has has 11 places, 11 transitions, 26 flow [2023-08-30 09:26:06,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 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 09:26:06,630 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:26:06,630 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 09:26:06,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 09:26:06,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 09:26:06,631 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:26:06,631 INFO L85 PathProgramCache]: Analyzing trace with hash -993942013, now seen corresponding path program 1 times [2023-08-30 09:26:06,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:26:06,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882262590] [2023-08-30 09:26:06,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:26:06,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:26:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:26:06,847 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 09:26:06,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:26:06,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882262590] [2023-08-30 09:26:06,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882262590] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:26:06,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:26:06,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:26:06,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436401187] [2023-08-30 09:26:06,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:26:06,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:26:06,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:26:06,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:26:06,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:26:06,875 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 680 out of 1411 [2023-08-30 09:26:06,877 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 11 transitions, 26 flow. Second operand has 3 states, 3 states have (on average 682.0) internal successors, (2046), 3 states have internal predecessors, (2046), 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 09:26:06,878 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:26:06,878 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 680 of 1411 [2023-08-30 09:26:06,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:26:07,170 INFO L130 PetriNetUnfolder]: 4/12 cut-off events. [2023-08-30 09:26:07,171 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:26:07,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 12 events. 4/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 26. Up to 11 conditions per place. [2023-08-30 09:26:07,171 INFO L137 encePairwiseOnDemand]: 1407/1411 looper letters, 9 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2023-08-30 09:26:07,171 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 12 transitions, 52 flow [2023-08-30 09:26:07,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:26:07,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:26:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2053 transitions. [2023-08-30 09:26:07,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4849988188046303 [2023-08-30 09:26:07,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2053 transitions. [2023-08-30 09:26:07,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2053 transitions. [2023-08-30 09:26:07,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:26:07,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2053 transitions. [2023-08-30 09:26:07,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 684.3333333333334) internal successors, (2053), 3 states have internal predecessors, (2053), 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 09:26:07,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 09:26:07,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 09:26:07,194 INFO L175 Difference]: Start difference. First operand has 11 places, 11 transitions, 26 flow. Second operand 3 states and 2053 transitions. [2023-08-30 09:26:07,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 12 transitions, 52 flow [2023-08-30 09:26:07,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 12 transitions, 50 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 09:26:07,195 INFO L231 Difference]: Finished difference. Result has 13 places, 12 transitions, 39 flow [2023-08-30 09:26:07,195 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=39, PETRI_PLACES=13, PETRI_TRANSITIONS=12} [2023-08-30 09:26:07,198 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -16 predicate places. [2023-08-30 09:26:07,198 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 12 transitions, 39 flow [2023-08-30 09:26:07,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 682.0) internal successors, (2046), 3 states have internal predecessors, (2046), 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 09:26:07,199 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:26:07,199 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:26:07,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 09:26:07,199 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 09:26:07,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:26:07,200 INFO L85 PathProgramCache]: Analyzing trace with hash -747425763, now seen corresponding path program 1 times [2023-08-30 09:26:07,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:26:07,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824682763] [2023-08-30 09:26:07,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:26:07,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:26:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:26:07,424 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 09:26:07,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:26:07,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824682763] [2023-08-30 09:26:07,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824682763] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:26:07,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:26:07,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:26:07,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125248740] [2023-08-30 09:26:07,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:26:07,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:26:07,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:26:07,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:26:07,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:26:07,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 679 out of 1411 [2023-08-30 09:26:07,447 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 12 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 681.3333333333334) internal successors, (2044), 3 states have internal predecessors, (2044), 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 09:26:07,447 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:26:07,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 679 of 1411 [2023-08-30 09:26:07,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:26:08,012 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 09:26:08,013 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 09:26:08,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 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 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 29. Up to 8 conditions per place. [2023-08-30 09:26:08,013 INFO L137 encePairwiseOnDemand]: 1408/1411 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2023-08-30 09:26:08,013 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 11 transitions, 57 flow [2023-08-30 09:26:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:26:08,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:26:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2048 transitions. [2023-08-30 09:26:08,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48381762343491613 [2023-08-30 09:26:08,019 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2048 transitions. [2023-08-30 09:26:08,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2048 transitions. [2023-08-30 09:26:08,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:26:08,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2048 transitions. [2023-08-30 09:26:08,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 682.6666666666666) internal successors, (2048), 3 states have internal predecessors, (2048), 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 09:26:08,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 09:26:08,032 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 09:26:08,032 INFO L175 Difference]: Start difference. First operand has 13 places, 12 transitions, 39 flow. Second operand 3 states and 2048 transitions. [2023-08-30 09:26:08,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 11 transitions, 57 flow [2023-08-30 09:26:08,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 11 transitions, 52 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 09:26:08,033 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-30 09:26:08,034 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, PETRI_DIFFERENCE_MINUEND_FLOW=30, 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 09:26:08,034 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -16 predicate places. [2023-08-30 09:26:08,034 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-30 09:26:08,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 681.3333333333334) internal successors, (2044), 3 states have internal predecessors, (2044), 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 09:26:08,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2023-08-30 09:26:08,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2023-08-30 09:26:08,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2023-08-30 09:26:08,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2023-08-30 09:26:08,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2023-08-30 09:26:08,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2023-08-30 09:26:08,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2023-08-30 09:26:08,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2023-08-30 09:26:08,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2023-08-30 09:26:08,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2023-08-30 09:26:08,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2023-08-30 09:26:08,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2023-08-30 09:26:08,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2023-08-30 09:26:08,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2023-08-30 09:26:08,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2023-08-30 09:26:08,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2023-08-30 09:26:08,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2023-08-30 09:26:08,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2023-08-30 09:26:08,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2023-08-30 09:26:08,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2023-08-30 09:26:08,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2023-08-30 09:26:08,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2023-08-30 09:26:08,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 24 remaining) [2023-08-30 09:26:08,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 24 remaining) [2023-08-30 09:26:08,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 09:26:08,042 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-30 09:26:08,045 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 09:26:08,045 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 09:26:08,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 09:26:08 BasicIcfg [2023-08-30 09:26:08,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 09:26:08,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 09:26:08,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 09:26:08,049 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 09:26:08,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:17:49" (3/4) ... [2023-08-30 09:26:08,052 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 09:26:08,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 09:26:08,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 09:26:08,068 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-30 09:26:08,069 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 09:26:08,070 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-30 09:26:08,070 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 09:26:08,130 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 09:26:08,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 09:26:08,130 INFO L158 Benchmark]: Toolchain (without parser) took 504805.79ms. Allocated memory was 71.3MB in the beginning and 323.0MB in the end (delta: 251.7MB). Free memory was 45.3MB in the beginning and 185.2MB in the end (delta: -140.0MB). Peak memory consumption was 111.4MB. Max. memory is 16.1GB. [2023-08-30 09:26:08,131 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 09:26:08,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4214.46ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 45.3MB in the beginning and 31.5MB in the end (delta: 13.8MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2023-08-30 09:26:08,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 245.92ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 31.5MB in the beginning and 69.8MB in the end (delta: -38.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-08-30 09:26:08,131 INFO L158 Benchmark]: Boogie Preprocessor took 107.18ms. Allocated memory is still 130.0MB. Free memory was 69.8MB in the beginning and 64.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 09:26:08,132 INFO L158 Benchmark]: RCFGBuilder took 1362.17ms. Allocated memory is still 130.0MB. Free memory was 64.4MB in the beginning and 38.1MB in the end (delta: 26.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2023-08-30 09:26:08,132 INFO L158 Benchmark]: TraceAbstraction took 498788.33ms. Allocated memory was 130.0MB in the beginning and 323.0MB in the end (delta: 192.9MB). Free memory was 37.4MB in the beginning and 194.7MB in the end (delta: -157.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-08-30 09:26:08,132 INFO L158 Benchmark]: Witness Printer took 80.98ms. Allocated memory is still 323.0MB. Free memory was 194.7MB in the beginning and 185.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 09:26:08,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4214.46ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 45.3MB in the beginning and 31.5MB in the end (delta: 13.8MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 245.92ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 31.5MB in the beginning and 69.8MB in the end (delta: -38.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.18ms. Allocated memory is still 130.0MB. Free memory was 69.8MB in the beginning and 64.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1362.17ms. Allocated memory is still 130.0MB. Free memory was 64.4MB in the beginning and 38.1MB in the end (delta: 26.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * TraceAbstraction took 498788.33ms. Allocated memory was 130.0MB in the beginning and 323.0MB in the end (delta: 192.9MB). Free memory was 37.4MB in the beginning and 194.7MB in the end (delta: -157.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Witness Printer took 80.98ms. Allocated memory is still 323.0MB. Free memory was 194.7MB in the beginning and 185.2MB 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: 494.9s, 532 PlacesBefore, 29 PlacesAfterwards, 550 TransitionsBefore, 35 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 12 FixpointIterations, 621 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 47 TrivialYvCompositions, 0 ConcurrentYvCompositions, 12 ChoiceCompositions, 680 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, 760 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: 498.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 495.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 151 IncrementalHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 3 mSDtfsCounter, 151 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 14, 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: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 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 09:26:08,176 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