/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 09:43:16,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 09:43:16,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 09:43:16,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 09:43:16,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 09:43:16,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 09:43:16,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 09:43:16,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 09:43:16,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 09:43:16,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 09:43:16,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 09:43:16,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 09:43:16,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 09:43:16,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 09:43:16,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 09:43:16,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 09:43:16,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 09:43:16,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 09:43:16,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 09:43:16,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 09:43:16,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 09:43:16,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 09:43:16,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 09:43:16,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 09:43:16,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 09:43:16,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 09:43:16,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 09:43:16,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 09:43:16,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 09:43:16,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 09:43:16,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 09:43:16,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 09:43:16,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 09:43:16,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 09:43:16,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 09:43:16,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 09:43:16,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 09:43:16,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 09:43:16,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 09:43:16,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 09:43:16,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 09:43:16,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 09:43:16,960 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 09:43:16,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 09:43:16,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 09:43:16,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 09:43:16,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 09:43:16,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 09:43:16,962 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 09:43:16,962 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 09:43:16,962 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 09:43:16,962 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 09:43:16,962 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 09:43:16,963 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 09:43:16,963 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 09:43:16,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 09:43:16,963 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 09:43:16,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 09:43:16,963 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 09:43:16,963 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 09:43:16,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 09:43:16,964 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 09:43:16,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 09:43:16,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 09:43:16,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 09:43:16,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 09:43:16,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 09:43:16,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 09:43:16,964 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 09:43:16,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 09:43:16,965 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 09:43:16,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 09:43:16,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 09:43:16,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 09:43:16,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:43:16,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 09:43:16,965 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 09:43:16,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 09:43:16,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 09:43:16,965 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 09:43:16,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 09:43:16,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 09:43:16,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 09:43:16,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 09:43:17,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 09:43:17,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 09:43:17,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 09:43:17,166 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 09:43:17,166 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 09:43:17,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label47.c [2023-04-01 09:43:18,089 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 09:43:19,656 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 09:43:19,662 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label47.c [2023-04-01 09:43:19,758 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35fb30b92/9161998d2ee14a5a9c2bd2d2b3144cfa/FLAGa1d37656e [2023-04-01 09:43:19,785 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35fb30b92/9161998d2ee14a5a9c2bd2d2b3144cfa [2023-04-01 09:43:19,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 09:43:19,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 09:43:19,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 09:43:19,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 09:43:19,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 09:43:19,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:43:19" (1/1) ... [2023-04-01 09:43:19,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7e8156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:19, skipping insertion in model container [2023-04-01 09:43:19,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:43:19" (1/1) ... [2023-04-01 09:43:19,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 09:43:20,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 09:43:27,767 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_label47.c[2766942,2766955] [2023-04-01 09:43:27,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:43:27,877 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 09:43:32,087 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_label47.c[2766942,2766955] [2023-04-01 09:43:32,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:43:32,591 INFO L208 MainTranslator]: Completed translation [2023-04-01 09:43:32,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32 WrapperNode [2023-04-01 09:43:32,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 09:43:32,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 09:43:32,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 09:43:32,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 09:43:32,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (1/1) ... [2023-04-01 09:43:32,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (1/1) ... [2023-04-01 09:43:33,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (1/1) ... [2023-04-01 09:43:33,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (1/1) ... [2023-04-01 09:43:34,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (1/1) ... [2023-04-01 09:43:34,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (1/1) ... [2023-04-01 09:43:34,623 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (1/1) ... [2023-04-01 09:43:34,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (1/1) ... [2023-04-01 09:43:35,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 09:43:35,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 09:43:35,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 09:43:35,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 09:43:35,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (1/1) ... [2023-04-01 09:43:35,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:43:35,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 09:43:35,065 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 09:43:35,067 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 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 09:43:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 09:43:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 09:43:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 09:43:35,105 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 09:43:35,105 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 09:43:35,105 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 09:43:35,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 09:43:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 09:43:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 09:43:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 09:43:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 09:43:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 09:43:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 09:43:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 09:43:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 09:43:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 09:43:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 09:43:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 09:43:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 09:43:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 09:43:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 09:43:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 09:43:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 09:43:35,267 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 09:43:35,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 09:44:03,822 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 09:44:04,822 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 09:44:04,822 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 09:44:04,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:44:04 BoogieIcfgContainer [2023-04-01 09:44:04,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 09:44:04,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 09:44:04,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 09:44:04,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 09:44:04,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:43:19" (1/3) ... [2023-04-01 09:44:04,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d00d5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:44:04, skipping insertion in model container [2023-04-01 09:44:04,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:32" (2/3) ... [2023-04-01 09:44:04,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d00d5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:44:04, skipping insertion in model container [2023-04-01 09:44:04,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:44:04" (3/3) ... [2023-04-01 09:44:04,846 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label47.c [2023-04-01 09:44:04,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 09:44:04,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 09:44:04,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 09:44:04,980 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=FINITE_AUTOMATA, 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;@109dc83b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 09:44:04,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 09:44:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 10325 states, 10227 states have (on average 1.9860174049085753) internal successors, (20311), 10228 states have internal predecessors, (20311), 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 09:44:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 09:44:06,209 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 09:44:06,214 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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Initialized classic predicate unifier [2023-04-01 09:44:06,221 INFO L85 PathProgramCache]: Analyzing trace with hash 536003408, now seen corresponding path program 1 times [2023-04-01 09:44:06,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 09:44:06,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572308295] [2023-04-01 09:44:06,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 09:44:06,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 09:44:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat