/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:24:19,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:24:19,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:24:19,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:24:19,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:24:19,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:24:19,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:24:19,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:24:19,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:24:19,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:24:19,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:24:19,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:24:19,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:24:19,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:24:19,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:24:19,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:24:19,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:24:19,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:24:19,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:24:19,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:24:19,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:24:19,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:24:19,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:24:19,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:24:19,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:24:19,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 21:24:19,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 21:24:19,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 21:24:19,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 21:24:19,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 21:24:19,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 21:24:19,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 21:24:19,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 21:24:19,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:24:19,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:24:19,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:24:19,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 21:24:19,946 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:24:19,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:24:19,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:24:19,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:24:19,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:24:19,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:24:19,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:24:19,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:24:19,948 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:24:19,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:24:19,948 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:24:19,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:24:19,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:24:19,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:24:19,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:24:19,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:24:19,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:24:19,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:24:19,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:24:19,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:24:19,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:24:19,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:24:19,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:24:19,950 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:24:19,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:24:19,951 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:24:19,951 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:24:20,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:24:20,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:24:20,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:24:20,134 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:24:20,135 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:24:20,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label19.c [2023-04-01 21:24:21,183 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:24:22,200 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:24:22,200 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label19.c [2023-04-01 21:24:22,297 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1381248b2/b0989cd721774592ac6c55315313dda2/FLAGcf04e1f26 [2023-04-01 21:24:22,306 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1381248b2/b0989cd721774592ac6c55315313dda2 [2023-04-01 21:24:22,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:24:22,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:24:22,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:24:22,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:24:22,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:24:22,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:24:22" (1/1) ... [2023-04-01 21:24:22,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797719a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:22, skipping insertion in model container [2023-04-01 21:24:22,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:24:22" (1/1) ... [2023-04-01 21:24:22,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:24:22,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:24:29,686 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_label19.c[2767452,2767465] [2023-04-01 21:24:29,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:24:29,749 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:24:33,912 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_label19.c[2767452,2767465] [2023-04-01 21:24:33,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:24:34,830 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:24:34,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34 WrapperNode [2023-04-01 21:24:34,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:24:34,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:24:34,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:24:34,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:24:34,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (1/1) ... [2023-04-01 21:24:34,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (1/1) ... [2023-04-01 21:24:35,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (1/1) ... [2023-04-01 21:24:35,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (1/1) ... [2023-04-01 21:24:37,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (1/1) ... [2023-04-01 21:24:37,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (1/1) ... [2023-04-01 21:24:37,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (1/1) ... [2023-04-01 21:24:37,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (1/1) ... [2023-04-01 21:24:37,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:24:37,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:24:37,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:24:37,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:24:37,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (1/1) ... [2023-04-01 21:24:37,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:24:37,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:24:38,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 21:24:38,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:24:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:24:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:24:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:24:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:24:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:24:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:24:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:24:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:24:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:24:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:24:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:24:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:24:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:24:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:24:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:24:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:24:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:24:38,185 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:24:38,187 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:25:06,860 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:25:06,914 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:25:06,914 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:25:06,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:25:06 BoogieIcfgContainer [2023-04-01 21:25:06,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:25:06,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:25:06,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:25:06,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:25:06,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:24:22" (1/3) ... [2023-04-01 21:25:06,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1155774b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:25:06, skipping insertion in model container [2023-04-01 21:25:06,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:34" (2/3) ... [2023-04-01 21:25:06,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1155774b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:25:06, skipping insertion in model container [2023-04-01 21:25:06,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:25:06" (3/3) ... [2023-04-01 21:25:06,928 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label19.c [2023-04-01 21:25:06,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:25:06,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:25:07,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:25:07,085 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;@35d8f12d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:25:07,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:25:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 10446 states, 10348 states have (on average 1.9803826826439892) internal successors, (20493), 10349 states have internal predecessors, (20493), 48 states have call successors, (48), 48 states have call predecessors, (48), 48 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-01 21:25:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10187 [2023-04-01 21:25:07,774 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:25:07,778 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] [2023-04-01 21:25:07,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:25:07,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:25:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1914000562, now seen corresponding path program 1 times [2023-04-01 21:25:07,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:25:07,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256525651] [2023-04-01 21:25:07,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:25:07,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:25:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:28:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:28:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:28:00,542 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 21:28:00,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:28:00,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256525651] [2023-04-01 21:28:00,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256525651] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:28:00,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:28:00,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 21:28:00,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776580457] [2023-04-01 21:28:00,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:28:00,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 21:28:00,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:28:00,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 21:28:00,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 21:28:00,739 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 5 states, 4 states have (on average 2534.25) internal successors, (10137), 3 states have internal predecessors, (10137), 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)