/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-programs/Problem101_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 10:40:05,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 10:40:05,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 10:40:05,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 10:40:05,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 10:40:05,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 10:40:05,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 10:40:05,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 10:40:05,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 10:40:05,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 10:40:05,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 10:40:05,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 10:40:05,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 10:40:05,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 10:40:05,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 10:40:05,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 10:40:05,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 10:40:05,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 10:40:05,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 10:40:05,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 10:40:05,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 10:40:05,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 10:40:05,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 10:40:05,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 10:40:05,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 10:40:05,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 10:40:05,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 10:40:05,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 10:40:05,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 10:40:05,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 10:40:05,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 10:40:05,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 10:40:05,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 10:40:05,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 10:40:05,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 10:40:05,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 10:40:05,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 10:40:05,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 10:40:05,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 10:40:05,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 10:40:05,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 10:40:05,968 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 10:40:05,981 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 10:40:05,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 10:40:05,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 10:40:05,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 10:40:05,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 10:40:05,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 10:40:05,983 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 10:40:05,983 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 10:40:05,983 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 10:40:05,983 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 10:40:05,983 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 10:40:05,983 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 10:40:05,983 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 10:40:05,983 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 10:40:05,984 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 10:40:05,984 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 10:40:05,984 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 10:40:05,984 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 10:40:05,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 10:40:05,984 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 10:40:05,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 10:40:05,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 10:40:05,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 10:40:05,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:40:05,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 10:40:05,986 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 10:40:05,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 10:40:05,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 10:40:05,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 10:40:05,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 10:40:05,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 10:40:05,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 10:40:05,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 10:40:06,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 10:40:06,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 10:40:06,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 10:40:06,172 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 10:40:06,173 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 10:40:06,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label19.c [2023-04-01 10:40:07,075 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 10:40:08,197 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 10:40:08,198 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label19.c [2023-04-01 10:40:08,328 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd0dab79d/f5ebf56bb9db484a80b62cc56c785251/FLAGf30cecb2b [2023-04-01 10:40:08,372 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd0dab79d/f5ebf56bb9db484a80b62cc56c785251 [2023-04-01 10:40:08,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 10:40:08,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 10:40:08,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 10:40:08,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 10:40:08,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 10:40:08,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:40:08" (1/1) ... [2023-04-01 10:40:08,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b394017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:08, skipping insertion in model container [2023-04-01 10:40:08,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:40:08" (1/1) ... [2023-04-01 10:40:08,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 10:40:08,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 10:40:15,538 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label19.c[2769185,2769198] [2023-04-01 10:40:15,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:40:15,595 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 10:40:19,436 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label19.c[2769185,2769198] [2023-04-01 10:40:19,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:40:19,953 INFO L208 MainTranslator]: Completed translation [2023-04-01 10:40:19,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19 WrapperNode [2023-04-01 10:40:19,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 10:40:19,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 10:40:19,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 10:40:19,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 10:40:19,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (1/1) ... [2023-04-01 10:40:19,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (1/1) ... [2023-04-01 10:40:20,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (1/1) ... [2023-04-01 10:40:20,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (1/1) ... [2023-04-01 10:40:22,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (1/1) ... [2023-04-01 10:40:22,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (1/1) ... [2023-04-01 10:40:22,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (1/1) ... [2023-04-01 10:40:22,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (1/1) ... [2023-04-01 10:40:22,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 10:40:22,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 10:40:22,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 10:40:22,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 10:40:22,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (1/1) ... [2023-04-01 10:40:22,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:40:22,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:40:22,951 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 10:40:22,955 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 10:40:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 10:40:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 10:40:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 10:40:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 10:40:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 10:40:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 10:40:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 10:40:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 10:40:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 10:40:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 10:40:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 10:40:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 10:40:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 10:40:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 10:40:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 10:40:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 10:40:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 10:40:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 10:40:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 10:40:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 10:40:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 10:40:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 10:40:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 10:40:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 10:40:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 10:40:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 10:40:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 10:40:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 10:40:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 10:40:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 10:40:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 10:40:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 10:40:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 10:40:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 10:40:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 10:40:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 10:40:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 10:40:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 10:40:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 10:40:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 10:40:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 10:40:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 10:40:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 10:40:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 10:40:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 10:40:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 10:40:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 10:40:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 10:40:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 10:40:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 10:40:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 10:40:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 10:40:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 10:40:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 10:40:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 10:40:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 10:40:23,144 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 10:40:23,161 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 10:40:51,672 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 10:40:52,621 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 10:40:52,622 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 10:40:52,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:40:52 BoogieIcfgContainer [2023-04-01 10:40:52,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 10:40:52,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 10:40:52,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 10:40:52,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 10:40:52,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:40:08" (1/3) ... [2023-04-01 10:40:52,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e49828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:40:52, skipping insertion in model container [2023-04-01 10:40:52,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:40:19" (2/3) ... [2023-04-01 10:40:52,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e49828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:40:52, skipping insertion in model container [2023-04-01 10:40:52,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:40:52" (3/3) ... [2023-04-01 10:40:52,639 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label19.c [2023-04-01 10:40:52,651 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 10:40:52,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 10:40:52,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 10:40:52,811 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;@5feb1a29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 10:40:52,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 10:40:52,844 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 10:40:53,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 10:40:53,458 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:40:53,463 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] [2023-04-01 10:40:53,464 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:40:53,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:40:53,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1298887597, now seen corresponding path program 1 times [2023-04-01 10:40:53,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:40:53,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195018261] [2023-04-01 10:40:53,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:40:53,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:40:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat