/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-programs/Problem101_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 00:14:15,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 00:14:15,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 00:14:15,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-02 00:14:15,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 00:14:15,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 00:14:15,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 00:14:15,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 00:14:15,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 00:14:15,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 00:14:15,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 00:14:15,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 00:14:15,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 00:14:15,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 00:14:15,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 00:14:15,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 00:14:15,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-02 00:14:15,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 00:14:15,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 00:14:15,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 00:14:15,180 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 [2023-04-02 00:14:15,207 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 00:14:15,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 00:14:15,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 00:14:15,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 00:14:15,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 00:14:15,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 00:14:15,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 00:14:15,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 00:14:15,209 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 00:14:15,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 00:14:15,209 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 00:14:15,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 00:14:15,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 00:14:15,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 00:14:15,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 00:14:15,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 00:14:15,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 00:14:15,210 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 00:14:15,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 00:14:15,211 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 00:14:15,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 00:14:15,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 00:14:15,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 00:14:15,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 00:14:15,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:14:15,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 00:14:15,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 00:14:15,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 00:14:15,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 00:14:15,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 00:14:15,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 00:14:15,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 00:14:15,212 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 00:14:15,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 00:14:15,212 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 00:14:15,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 00:14:15,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 00:14:15,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 00:14:15,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 00:14:15,455 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 00:14:15,456 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 00:14:15,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label19.c [2023-04-02 00:14:16,609 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 00:14:18,522 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 00:14:18,523 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label19.c [2023-04-02 00:14:18,679 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c253ef13a/1cb4731cdd3443f59ada5fdb14f5304c/FLAG3e8445e50 [2023-04-02 00:14:18,705 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c253ef13a/1cb4731cdd3443f59ada5fdb14f5304c [2023-04-02 00:14:18,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 00:14:18,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 00:14:18,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 00:14:18,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 00:14:18,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 00:14:18,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:14:18" (1/1) ... [2023-04-02 00:14:18,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364ced15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:18, skipping insertion in model container [2023-04-02 00:14:18,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:14:18" (1/1) ... [2023-04-02 00:14:18,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 00:14:20,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 00:14:30,977 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-programs/Problem101_label19.c[2769185,2769198] [2023-04-02 00:14:31,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:14:31,055 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 00:14:36,328 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-programs/Problem101_label19.c[2769185,2769198] [2023-04-02 00:14:36,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:14:37,786 INFO L208 MainTranslator]: Completed translation [2023-04-02 00:14:37,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37 WrapperNode [2023-04-02 00:14:37,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 00:14:37,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 00:14:37,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 00:14:37,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 00:14:37,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (1/1) ... [2023-04-02 00:14:37,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (1/1) ... [2023-04-02 00:14:39,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (1/1) ... [2023-04-02 00:14:39,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (1/1) ... [2023-04-02 00:14:41,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (1/1) ... [2023-04-02 00:14:41,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (1/1) ... [2023-04-02 00:14:41,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (1/1) ... [2023-04-02 00:14:42,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (1/1) ... [2023-04-02 00:14:42,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 00:14:42,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 00:14:42,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 00:14:42,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 00:14:42,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (1/1) ... [2023-04-02 00:14:42,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:14:42,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 00:14:42,727 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) [2023-04-02 00:14:42,737 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 [2023-04-02 00:14:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 00:14:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 00:14:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 00:14:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-02 00:14:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-02 00:14:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-02 00:14:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-02 00:14:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-02 00:14:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-02 00:14:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-02 00:14:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-02 00:14:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-02 00:14:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-02 00:14:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-02 00:14:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-02 00:14:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-02 00:14:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-02 00:14:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 00:14:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-02 00:14:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-02 00:14:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-02 00:14:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-02 00:14:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-02 00:14:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-02 00:14:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-02 00:14:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-02 00:14:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 00:14:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 00:14:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 00:14:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 00:14:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 00:14:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 00:14:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 00:14:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 00:14:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 00:14:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 00:14:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 00:14:42,976 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 00:14:42,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 00:15:16,938 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 00:15:16,995 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 00:15:16,996 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 00:15:17,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:15:17 BoogieIcfgContainer [2023-04-02 00:15:17,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 00:15:17,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 00:15:17,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 00:15:17,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 00:15:17,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 12:14:18" (1/3) ... [2023-04-02 00:15:17,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ee9b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:15:17, skipping insertion in model container [2023-04-02 00:15:17,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:14:37" (2/3) ... [2023-04-02 00:15:17,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ee9b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:15:17, skipping insertion in model container [2023-04-02 00:15:17,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:15:17" (3/3) ... [2023-04-02 00:15:17,013 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label19.c [2023-04-02 00:15:17,030 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 00:15:17,030 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 00:15:17,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 00:15:17,222 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;@3d30beba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 00:15:17,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 00:15:17,256 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) [2023-04-02 00:15:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10199 [2023-04-02 00:15:17,991 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:15:17,996 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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[2023-04-02 00:15:18,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:15:18,011 INFO L85 PathProgramCache]: Analyzing trace with hash -323882334, now seen corresponding path program 1 times [2023-04-02 00:15:18,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:15:18,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823491148] [2023-04-02 00:15:18,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:15:18,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:15:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat