/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 23:53:02,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 23:53:02,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 23:53:02,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-30 23:53:02,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-30 23:53:02,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-30 23:53:02,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-30 23:53:02,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-30 23:53:02,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-30 23:53:02,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-30 23:53:02,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-30 23:53:02,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-30 23:53:02,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 23:53:02,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 23:53:02,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 23:53:02,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 23:53:02,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 23:53:02,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 23:53:02,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 23:53:02,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 23:53:02,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 23:53:02,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 23:53:02,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 23:53:02,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 23:53:02,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-30 23:53:02,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-30 23:53:02,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-30 23:53:02,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-30 23:53:02,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-30 23:53:02,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-30 23:53:02,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-30 23:53:02,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-30 23:53:02,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-30 23:53:02,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 23:53:02,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 23:53:02,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 23:53:02,872 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 [2023-03-30 23:53:02,890 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 23:53:02,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 23:53:02,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 23:53:02,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 23:53:02,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 23:53:02,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 23:53:02,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 23:53:02,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 23:53:02,892 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 23:53:02,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 23:53:02,892 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 23:53:02,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 23:53:02,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 23:53:02,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 23:53:02,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 23:53:02,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 23:53:02,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 23:53:02,893 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 23:53:02,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 23:53:02,893 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 23:53:02,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 23:53:02,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 23:53:02,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 23:53:02,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 23:53:02,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:53:02,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 23:53:02,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 23:53:02,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 23:53:02,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 23:53:02,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 23:53:02,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 23:53:02,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 23:53:02,895 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 23:53:02,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 23:53:02,895 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 23:53:02,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 23:53:03,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 23:53:03,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 23:53:03,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 23:53:03,126 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 23:53:03,126 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 23:53:03,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label03.c [2023-03-30 23:53:04,240 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 23:53:05,774 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 23:53:05,774 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label03.c [2023-03-30 23:53:05,872 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e58bbcd/b7c0ce7f0e8c48ab83d6acf270823c50/FLAG942f19257 [2023-03-30 23:53:05,882 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e58bbcd/b7c0ce7f0e8c48ab83d6acf270823c50 [2023-03-30 23:53:05,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 23:53:05,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 23:53:05,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 23:53:05,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 23:53:05,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 23:53:05,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:53:05" (1/1) ... [2023-03-30 23:53:05,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67cbd7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:05, skipping insertion in model container [2023-03-30 23:53:05,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:53:05" (1/1) ... [2023-03-30 23:53:05,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 23:53:06,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 23:53:13,834 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_label03.c[2768501,2768514] [2023-03-30 23:53:13,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:53:13,900 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 23:53:18,571 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_label03.c[2768501,2768514] [2023-03-30 23:53:18,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:53:19,211 INFO L208 MainTranslator]: Completed translation [2023-03-30 23:53:19,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19 WrapperNode [2023-03-30 23:53:19,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 23:53:19,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 23:53:19,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 23:53:19,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 23:53:19,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (1/1) ... [2023-03-30 23:53:19,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (1/1) ... [2023-03-30 23:53:20,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (1/1) ... [2023-03-30 23:53:20,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (1/1) ... [2023-03-30 23:53:21,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (1/1) ... [2023-03-30 23:53:22,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (1/1) ... [2023-03-30 23:53:22,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (1/1) ... [2023-03-30 23:53:22,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (1/1) ... [2023-03-30 23:53:22,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 23:53:22,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 23:53:22,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 23:53:22,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 23:53:22,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (1/1) ... [2023-03-30 23:53:22,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:53:22,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:53:22,852 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) [2023-03-30 23:53:22,856 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 [2023-03-30 23:53:22,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 23:53:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 23:53:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 23:53:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 23:53:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-30 23:53:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-30 23:53:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-30 23:53:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-30 23:53:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-30 23:53:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-30 23:53:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-30 23:53:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-30 23:53:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-30 23:53:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-30 23:53:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-30 23:53:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-30 23:53:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-30 23:53:22,890 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-30 23:53:22,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 23:53:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 23:53:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-30 23:53:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-30 23:53:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-30 23:53:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-30 23:53:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-30 23:53:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-30 23:53:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-30 23:53:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-30 23:53:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 23:53:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 23:53:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 23:53:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 23:53:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 23:53:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 23:53:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 23:53:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 23:53:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 23:53:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 23:53:23,031 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 23:53:23,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 23:53:56,142 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 23:53:56,193 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 23:53:56,194 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 23:53:56,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:53:56 BoogieIcfgContainer [2023-03-30 23:53:56,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 23:53:56,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 23:53:56,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 23:53:56,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 23:53:56,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 11:53:05" (1/3) ... [2023-03-30 23:53:56,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cfbcab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:53:56, skipping insertion in model container [2023-03-30 23:53:56,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:19" (2/3) ... [2023-03-30 23:53:56,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cfbcab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:53:56, skipping insertion in model container [2023-03-30 23:53:56,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:53:56" (3/3) ... [2023-03-30 23:53:56,214 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label03.c [2023-03-30 23:53:56,228 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 23:53:56,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 23:53:56,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 23:53:56,426 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;@1f27e229, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 23:53:56,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 23:53:56,466 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) [2023-03-30 23:53:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10195 [2023-03-30 23:53:57,318 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:53:57,324 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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23:53:57,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:53:57,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1491848366, now seen corresponding path program 1 times [2023-03-30 23:53:57,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:53:57,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641173757] [2023-03-30 23:53:57,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:53:57,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms