/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_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:24:14,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:24:14,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:24:14,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 21:24:14,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:24:14,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:24:14,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:24:14,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:24:14,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:24:14,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:24:14,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:24:14,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:24:14,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:24:14,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:24:14,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:24:14,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:24:14,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:24:14,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:24:14,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:24:14,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:24:14,495 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 21:24:14,507 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:24:14,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:24:14,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:24:14,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:24:14,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:24:14,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:24:14,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:24:14,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:24:14,509 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:24:14,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:24:14,509 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:24:14,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:24:14,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:24:14,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:24:14,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:24:14,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:24:14,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:24:14,510 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:24:14,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:24:14,510 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:24:14,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:24:14,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:24:14,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:24:14,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:24:14,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:24:14,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:24:14,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:24:14,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:24:14,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:24:14,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:24:14,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:24:14,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:24:14,511 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:24:14,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:24:14,511 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:24:14,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:24:14,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:24:14,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:24:14,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:24:14,667 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:24:14,668 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:24:14,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label18.c [2023-04-01 21:24:15,701 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:24:16,892 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:24:16,892 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label18.c [2023-04-01 21:24:16,995 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876aec5bc/c88c4093a74249478c93caa70d17b105/FLAG9c8e5a27f [2023-04-01 21:24:17,004 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876aec5bc/c88c4093a74249478c93caa70d17b105 [2023-04-01 21:24:17,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:24:17,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:24:17,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:24:17,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:24:17,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:24:17,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:24:17" (1/1) ... [2023-04-01 21:24:17,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e37dfff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:17, skipping insertion in model container [2023-04-01 21:24:17,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:24:17" (1/1) ... [2023-04-01 21:24:17,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:24:17,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:24:24,638 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_label18.c[2769841,2769854] [2023-04-01 21:24:24,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:24:24,691 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:24:28,749 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_label18.c[2769841,2769854] [2023-04-01 21:24:28,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:24:29,685 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:24:29,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29 WrapperNode [2023-04-01 21:24:29,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:24:29,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:24:29,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:24:29,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:24:29,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (1/1) ... [2023-04-01 21:24:29,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (1/1) ... [2023-04-01 21:24:30,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (1/1) ... [2023-04-01 21:24:30,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (1/1) ... [2023-04-01 21:24:31,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (1/1) ... [2023-04-01 21:24:31,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (1/1) ... [2023-04-01 21:24:31,794 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (1/1) ... [2023-04-01 21:24:31,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (1/1) ... [2023-04-01 21:24:32,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:24:32,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:24:32,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:24:32,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:24:32,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (1/1) ... [2023-04-01 21:24:32,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:24:32,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:24:32,424 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 21:24:32,426 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 21:24:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:24:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:24:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:24:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:24:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:24:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:24:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:24:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:24:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:24:32,627 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:24:32,631 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:25:01,157 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:25:01,209 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:25:01,209 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:25:01,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:25:01 BoogieIcfgContainer [2023-04-01 21:25:01,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:25:01,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:25:01,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:25:01,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:25:01,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:24:17" (1/3) ... [2023-04-01 21:25:01,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c87d386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:25:01, skipping insertion in model container [2023-04-01 21:25:01,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:29" (2/3) ... [2023-04-01 21:25:01,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c87d386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:25:01, skipping insertion in model container [2023-04-01 21:25:01,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:25:01" (3/3) ... [2023-04-01 21:25:01,222 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label18.c [2023-04-01 21:25:01,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:25:01,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:25:01,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:25:01,384 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;@56cacaf7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:25:01,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:25:01,412 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 21:25:02,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10201 [2023-04-01 21:25:02,109 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:25:02,113 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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=== [2023-04-01 21:25:02,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:25:02,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2012780982, now seen corresponding path program 1 times [2023-04-01 21:25:02,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:25:02,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475266002] [2023-04-01 21:25:02,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:25:02,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:25:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat