/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_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 09:43:46,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 09:43:46,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 09:43:46,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 09:43:46,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 09:43:46,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 09:43:46,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 09:43:46,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 09:43:46,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 09:43:46,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 09:43:46,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 09:43:46,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 09:43:46,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 09:43:46,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 09:43:46,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 09:43:46,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 09:43:46,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 09:43:46,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 09:43:46,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 09:43:46,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 09:43:46,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 09:43:46,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 09:43:46,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 09:43:46,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 09:43:46,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 09:43:46,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 09:43:46,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 09:43:46,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 09:43:46,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 09:43:46,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 09:43:46,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 09:43:46,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 09:43:46,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 09:43:46,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 09:43:46,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 09:43:46,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 09:43:46,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 09:43:46,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 09:43:46,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 09:43:46,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 09:43:46,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 09:43:46,753 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 09:43:46,766 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 09:43:46,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 09:43:46,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 09:43:46,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 09:43:46,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 09:43:46,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 09:43:46,768 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 09:43:46,768 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 09:43:46,768 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 09:43:46,768 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 09:43:46,768 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 09:43:46,768 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 09:43:46,768 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 09:43:46,768 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 09:43:46,769 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 09:43:46,769 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 09:43:46,769 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 09:43:46,769 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 09:43:46,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 09:43:46,769 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 09:43:46,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 09:43:46,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 09:43:46,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 09:43:46,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:43:46,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 09:43:46,771 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 09:43:46,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 09:43:46,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 09:43:46,771 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 09:43:46,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 09:43:46,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 09:43:46,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 09:43:46,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 09:43:46,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 09:43:46,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 09:43:46,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 09:43:46,966 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 09:43:46,966 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 09:43:46,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label51.c [2023-04-01 09:43:47,930 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 09:43:48,984 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 09:43:48,985 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label51.c [2023-04-01 09:43:49,091 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bf9b878d/10f04d3b16a24cf09d306a2107bbc506/FLAGce8d5abbe [2023-04-01 09:43:49,100 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bf9b878d/10f04d3b16a24cf09d306a2107bbc506 [2023-04-01 09:43:49,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 09:43:49,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 09:43:49,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 09:43:49,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 09:43:49,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 09:43:49,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:43:49" (1/1) ... [2023-04-01 09:43:49,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eaebf0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:49, skipping insertion in model container [2023-04-01 09:43:49,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:43:49" (1/1) ... [2023-04-01 09:43:49,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 09:43:49,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 09:43:56,350 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_label51.c[2774270,2774283] [2023-04-01 09:43:56,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:43:56,407 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 09:44:00,226 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_label51.c[2774270,2774283] [2023-04-01 09:44:00,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:44:00,685 INFO L208 MainTranslator]: Completed translation [2023-04-01 09:44:00,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00 WrapperNode [2023-04-01 09:44:00,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 09:44:00,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 09:44:00,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 09:44:00,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 09:44:00,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (1/1) ... [2023-04-01 09:44:00,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (1/1) ... [2023-04-01 09:44:01,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (1/1) ... [2023-04-01 09:44:01,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (1/1) ... [2023-04-01 09:44:02,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (1/1) ... [2023-04-01 09:44:02,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (1/1) ... [2023-04-01 09:44:02,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (1/1) ... [2023-04-01 09:44:02,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (1/1) ... [2023-04-01 09:44:03,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 09:44:03,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 09:44:03,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 09:44:03,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 09:44:03,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (1/1) ... [2023-04-01 09:44:03,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:44:03,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 09:44:03,295 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 09:44:03,296 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 09:44:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 09:44:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 09:44:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 09:44:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 09:44:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 09:44:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 09:44:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 09:44:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 09:44:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 09:44:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 09:44:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 09:44:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 09:44:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 09:44:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 09:44:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 09:44:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 09:44:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 09:44:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 09:44:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 09:44:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 09:44:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 09:44:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 09:44:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 09:44:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 09:44:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 09:44:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 09:44:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 09:44:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 09:44:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 09:44:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 09:44:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 09:44:03,559 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 09:44:03,569 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 09:44:32,043 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 09:44:32,826 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 09:44:32,826 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 09:44:32,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:44:32 BoogieIcfgContainer [2023-04-01 09:44:32,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 09:44:32,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 09:44:32,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 09:44:32,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 09:44:32,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:43:49" (1/3) ... [2023-04-01 09:44:32,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e813315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:44:32, skipping insertion in model container [2023-04-01 09:44:32,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:00" (2/3) ... [2023-04-01 09:44:32,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e813315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:44:32, skipping insertion in model container [2023-04-01 09:44:32,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:44:32" (3/3) ... [2023-04-01 09:44:32,840 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label51.c [2023-04-01 09:44:32,852 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 09:44:32,852 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 09:44:32,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 09:44:33,002 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;@64943de7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 09:44:33,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 09:44:33,031 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 09:44:33,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 09:44:33,778 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 09:44:33,784 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 09:44:33,792 INFO L85 PathProgramCache]: Analyzing trace with hash -742665615, now seen corresponding path program 1 times [2023-04-01 09:44:33,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 09:44:33,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341056023] [2023-04-01 09:44:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 09:44:33,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 09:44:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat