/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_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 09:41:41,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 09:41:41,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 09:41:41,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 09:41:41,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 09:41:41,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 09:41:41,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 09:41:41,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 09:41:41,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 09:41:41,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 09:41:41,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 09:41:41,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 09:41:41,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 09:41:41,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 09:41:41,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 09:41:41,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 09:41:41,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 09:41:41,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 09:41:41,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 09:41:41,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 09:41:41,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 09:41:41,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 09:41:41,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 09:41:41,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 09:41:41,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 09:41:41,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 09:41:41,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 09:41:41,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 09:41:41,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 09:41:41,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 09:41:41,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 09:41:41,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 09:41:41,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 09:41:41,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 09:41:41,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 09:41:41,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 09:41:41,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 09:41:41,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 09:41:41,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 09:41:41,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 09:41:41,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 09:41:41,801 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 09:41:41,824 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 09:41:41,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 09:41:41,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 09:41:41,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 09:41:41,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 09:41:41,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 09:41:41,826 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 09:41:41,826 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 09:41:41,826 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 09:41:41,826 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 09:41:41,827 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 09:41:41,827 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 09:41:41,827 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 09:41:41,827 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 09:41:41,827 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 09:41:41,827 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 09:41:41,827 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 09:41:41,827 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 09:41:41,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 09:41:41,828 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 09:41:41,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 09:41:41,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 09:41:41,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 09:41:41,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 09:41:41,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 09:41:41,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 09:41:41,829 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 09:41:41,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 09:41:41,829 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 09:41:41,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 09:41:41,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 09:41:41,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 09:41:41,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:41:41,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 09:41:41,830 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 09:41:41,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 09:41:41,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 09:41:41,830 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 09:41:41,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 09:41:41,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 09:41:41,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 09:41:41,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 09:41:42,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 09:41:42,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 09:41:42,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 09:41:42,044 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 09:41:42,045 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 09:41:42,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label24.c [2023-04-01 09:41:43,065 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 09:41:44,122 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 09:41:44,123 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label24.c [2023-04-01 09:41:44,233 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c0fce5cb/6c092e3d1bc54f58b40549a7265ef519/FLAG37f9e2976 [2023-04-01 09:41:44,246 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c0fce5cb/6c092e3d1bc54f58b40549a7265ef519 [2023-04-01 09:41:44,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 09:41:44,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 09:41:44,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 09:41:44,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 09:41:44,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 09:41:44,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:41:44" (1/1) ... [2023-04-01 09:41:44,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319435da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:44, skipping insertion in model container [2023-04-01 09:41:44,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:41:44" (1/1) ... [2023-04-01 09:41:44,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 09:41:44,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 09:41:51,503 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_label24.c[2776659,2776672] [2023-04-01 09:41:51,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:41:51,585 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 09:41:55,508 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_label24.c[2776659,2776672] [2023-04-01 09:41:55,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:41:56,041 INFO L208 MainTranslator]: Completed translation [2023-04-01 09:41:56,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56 WrapperNode [2023-04-01 09:41:56,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 09:41:56,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 09:41:56,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 09:41:56,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 09:41:56,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (1/1) ... [2023-04-01 09:41:56,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (1/1) ... [2023-04-01 09:41:56,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (1/1) ... [2023-04-01 09:41:56,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (1/1) ... [2023-04-01 09:41:58,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (1/1) ... [2023-04-01 09:41:58,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (1/1) ... [2023-04-01 09:41:58,403 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (1/1) ... [2023-04-01 09:41:58,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (1/1) ... [2023-04-01 09:41:59,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 09:41:59,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 09:41:59,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 09:41:59,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 09:41:59,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (1/1) ... [2023-04-01 09:41:59,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:41:59,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 09:41:59,084 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 09:41:59,085 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 09:41:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 09:41:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 09:41:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 09:41:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 09:41:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 09:41:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 09:41:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 09:41:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 09:41:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 09:41:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 09:41:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 09:41:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 09:41:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 09:41:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 09:41:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 09:41:59,252 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 09:41:59,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 09:42:28,385 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 09:42:29,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 09:42:29,297 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 09:42:29,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:42:29 BoogieIcfgContainer [2023-04-01 09:42:29,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 09:42:29,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 09:42:29,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 09:42:29,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 09:42:29,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:41:44" (1/3) ... [2023-04-01 09:42:29,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6c167f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:42:29, skipping insertion in model container [2023-04-01 09:42:29,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:41:56" (2/3) ... [2023-04-01 09:42:29,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6c167f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:42:29, skipping insertion in model container [2023-04-01 09:42:29,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:42:29" (3/3) ... [2023-04-01 09:42:29,314 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label24.c [2023-04-01 09:42:29,326 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 09:42:29,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 09:42:29,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 09:42:29,492 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;@4ef7ab06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 09:42:29,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 09:42:29,521 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 09:42:30,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 09:42:30,264 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 09:42:30,269 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 09:42:30,278 INFO L85 PathProgramCache]: Analyzing trace with hash -742659148, now seen corresponding path program 1 times [2023-04-01 09:42:30,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 09:42:30,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248925209] [2023-04-01 09:42:30,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 09:42:30,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 09:42:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat