/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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:29:34,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:29:34,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:29:34,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:29:34,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:29:34,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:29:34,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:29:34,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:29:34,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:29:34,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:29:34,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:29:34,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:29:34,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:29:34,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:29:34,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:29:34,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:29:34,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:29:34,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:29:34,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:29:34,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:29:34,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:29:34,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:29:34,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:29:34,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:29:34,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:29:34,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 21:29:34,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 21:29:34,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 21:29:34,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 21:29:34,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 21:29:34,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 21:29:34,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 21:29:34,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 21:29:34,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:29:34,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:29:34,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:29:34,953 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 21:29:34,974 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:29:34,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:29:34,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:29:34,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:29:34,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:29:34,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:29:34,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:29:34,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:29:34,976 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:29:34,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:29:34,977 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:29:34,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:29:34,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:29:34,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:29:34,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:29:34,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:29:34,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:29:34,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:29:34,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:29:34,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:29:34,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:29:34,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:29:34,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:29:34,979 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:29:34,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:29:34,979 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:29:34,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:29:35,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:29:35,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:29:35,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:29:35,133 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:29:35,133 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:29:35,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label39.c [2023-04-01 21:29:36,061 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:29:37,195 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:29:37,195 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label39.c [2023-04-01 21:29:37,334 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63556ea90/0f325c60504d44918fa778e5280c6cb3/FLAG47c8bb522 [2023-04-01 21:29:37,347 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63556ea90/0f325c60504d44918fa778e5280c6cb3 [2023-04-01 21:29:37,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:29:37,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:29:37,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:29:37,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:29:37,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:29:37,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:29:37" (1/1) ... [2023-04-01 21:29:37,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a25f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:37, skipping insertion in model container [2023-04-01 21:29:37,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:29:37" (1/1) ... [2023-04-01 21:29:37,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:29:37,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:29:44,430 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_label39.c[2767623,2767636] [2023-04-01 21:29:44,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:29:44,518 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:29:48,808 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_label39.c[2767623,2767636] [2023-04-01 21:29:48,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:29:49,488 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:29:49,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49 WrapperNode [2023-04-01 21:29:49,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:29:49,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:29:49,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:29:49,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:29:49,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (1/1) ... [2023-04-01 21:29:49,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (1/1) ... [2023-04-01 21:29:50,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (1/1) ... [2023-04-01 21:29:50,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (1/1) ... [2023-04-01 21:29:51,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (1/1) ... [2023-04-01 21:29:51,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (1/1) ... [2023-04-01 21:29:52,087 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (1/1) ... [2023-04-01 21:29:52,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (1/1) ... [2023-04-01 21:29:52,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:29:52,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:29:52,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:29:52,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:29:52,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (1/1) ... [2023-04-01 21:29:52,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:29:52,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:29:52,840 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 21:29:52,847 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 21:29:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:29:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:29:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:29:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:29:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:29:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:29:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:29:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:29:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:29:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:29:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:29:53,050 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:29:53,052 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:30:20,535 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:30:20,584 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:30:20,585 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:30:20,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:30:20 BoogieIcfgContainer [2023-04-01 21:30:20,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:30:20,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:30:20,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:30:20,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:30:20,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:29:37" (1/3) ... [2023-04-01 21:30:20,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197b7e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:30:20, skipping insertion in model container [2023-04-01 21:30:20,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:29:49" (2/3) ... [2023-04-01 21:30:20,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197b7e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:30:20, skipping insertion in model container [2023-04-01 21:30:20,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:30:20" (3/3) ... [2023-04-01 21:30:20,599 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label39.c [2023-04-01 21:30:20,610 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:30:20,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:30:20,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:30:20,769 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;@13bf05a9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:30:20,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:30:20,795 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 21:30:21,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10188 [2023-04-01 21:30:21,555 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:30:21,559 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 21:30:21,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:30:21,573 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:30:21,577 INFO L85 PathProgramCache]: Analyzing trace with hash -795509297, now seen corresponding path program 1 times [2023-04-01 21:30:21,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:30:21,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859006819] [2023-04-01 21:30:21,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:30:21,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:30:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:33:06,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:33:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:33:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 21:33:06,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:33:06,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859006819] [2023-04-01 21:33:06,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859006819] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:33:06,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:33:06,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 21:33:06,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615986540] [2023-04-01 21:33:06,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:33:06,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 21:33:06,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:33:06,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 21:33:06,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 21:33:06,997 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 3 states have (on average 3379.3333333333335) internal successors, (10138), 2 states have internal predecessors, (10138), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)