/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem07_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:31:13,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:31:13,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:31:13,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 21:31:13,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:31:13,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:31:13,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:31:13,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:31:13,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:31:13,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:31:13,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:31:13,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:31:13,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:31:13,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:31:13,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:31:13,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:31:13,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:31:13,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:31:13,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:31:13,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:31:13,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 21:31:13,392 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:31:13,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:31:13,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:31:13,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:31:13,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:31:13,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:31:13,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:31:13,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:31:13,395 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:31:13,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:31:13,396 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:31:13,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:31:13,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:31:13,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:31:13,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:31:13,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:31:13,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:31:13,397 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:31:13,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:31:13,397 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:31:13,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:31:13,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:31:13,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:31:13,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:31:13,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:31:13,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:31:13,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:31:13,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:31:13,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:31:13,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:31:13,398 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:31:13,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:31:13,399 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:31:13,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:31:13,399 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:31:13,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:31:13,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:31:13,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:31:13,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:31:13,621 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:31:13,621 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:31:13,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label42.c [2023-04-01 21:31:14,739 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:31:16,219 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:31:16,219 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label42.c [2023-04-01 21:31:16,318 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d290a2538/de380d0c97334bcbbc38a630c70fb51f/FLAG446f79f1f [2023-04-01 21:31:16,328 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d290a2538/de380d0c97334bcbbc38a630c70fb51f [2023-04-01 21:31:16,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:31:16,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:31:16,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:31:16,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:31:16,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:31:16,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:31:16" (1/1) ... [2023-04-01 21:31:16,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48af0f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:16, skipping insertion in model container [2023-04-01 21:31:16,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:31:16" (1/1) ... [2023-04-01 21:31:16,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:31:16,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:31:24,538 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label42.c[2768647,2768660] [2023-04-01 21:31:24,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:31:24,614 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:31:28,833 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label42.c[2768647,2768660] [2023-04-01 21:31:28,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:31:29,734 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:31:29,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29 WrapperNode [2023-04-01 21:31:29,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:31:29,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:31:29,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:31:29,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:31:29,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (1/1) ... [2023-04-01 21:31:29,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (1/1) ... [2023-04-01 21:31:30,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (1/1) ... [2023-04-01 21:31:30,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (1/1) ... [2023-04-01 21:31:32,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (1/1) ... [2023-04-01 21:31:32,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (1/1) ... [2023-04-01 21:31:32,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (1/1) ... [2023-04-01 21:31:32,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (1/1) ... [2023-04-01 21:31:33,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:31:33,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:31:33,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:31:33,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:31:33,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (1/1) ... [2023-04-01 21:31:33,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:31:33,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:31:33,470 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) [2023-04-01 21:31:33,495 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 [2023-04-01 21:31:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:31:33,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:31:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:31:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:31:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:31:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:31:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:31:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:31:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:31:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:31:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:31:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:31:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:31:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:31:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:31:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:31:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:31:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:31:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:31:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:31:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:31:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:31:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:31:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:31:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:31:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:31:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:31:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:31:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:31:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:31:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:31:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:31:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:31:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:31:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:31:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:31:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:31:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:31:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:31:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:31:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:31:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:31:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:31:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:31:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:31:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:31:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:31:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:31:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:31:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:31:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:31:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:31:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:31:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:31:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:31:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:31:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:31:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:31:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:31:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:31:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:31:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:31:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:31:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:31:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:31:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:31:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:31:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:31:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:31:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:31:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:31:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:31:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:31:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:31:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:31:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:31:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:31:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:31:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:31:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:31:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:31:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:31:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:31:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:31:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:31:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:31:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:31:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:31:33,707 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:31:33,721 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:32:05,275 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:32:05,530 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:32:05,530 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:32:05,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:32:05 BoogieIcfgContainer [2023-04-01 21:32:05,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:32:05,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:32:05,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:32:05,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:32:05,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:31:16" (1/3) ... [2023-04-01 21:32:05,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad18e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:32:05, skipping insertion in model container [2023-04-01 21:32:05,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:31:29" (2/3) ... [2023-04-01 21:32:05,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad18e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:32:05, skipping insertion in model container [2023-04-01 21:32:05,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:32:05" (3/3) ... [2023-04-01 21:32:05,552 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label42.c [2023-04-01 21:32:05,570 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:32:05,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:32:05,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:32:05,773 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;@7db2f25a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:32:05,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:32:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 10446 states, 10348 states have (on average 1.9803826826439892) internal successors, (20493), 10349 states have internal predecessors, (20493), 48 states have call successors, (48), 48 states have call predecessors, (48), 48 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-01 21:32:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10194 [2023-04-01 21:32:06,593 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:32:06,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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21:32:06,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:32:06,610 INFO L85 PathProgramCache]: Analyzing trace with hash -879408633, now seen corresponding path program 1 times [2023-04-01 21:32:06,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:32:06,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721622374] [2023-04-01 21:32:06,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:32:06,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:32:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat