/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_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 10:39:15,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 10:39:15,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 10:39:15,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 10:39:15,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 10:39:15,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 10:39:15,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 10:39:15,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 10:39:15,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 10:39:15,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 10:39:15,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 10:39:15,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 10:39:15,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 10:39:15,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 10:39:15,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 10:39:15,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 10:39:15,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 10:39:15,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 10:39:15,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 10:39:15,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 10:39:15,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 10:39:15,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 10:39:15,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 10:39:15,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 10:39:15,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 10:39:15,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 10:39:15,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 10:39:15,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 10:39:15,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 10:39:15,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 10:39:15,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 10:39:15,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 10:39:15,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 10:39:15,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 10:39:15,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 10:39:15,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 10:39:15,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 10:39:15,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 10:39:15,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 10:39:15,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 10:39:15,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 10:39:15,461 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 10:39:15,475 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 10:39:15,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 10:39:15,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 10:39:15,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 10:39:15,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 10:39:15,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 10:39:15,476 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 10:39:15,476 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 10:39:15,476 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 10:39:15,476 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 10:39:15,476 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 10:39:15,476 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 10:39:15,476 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 10:39:15,476 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 10:39:15,477 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 10:39:15,477 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 10:39:15,477 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 10:39:15,477 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 10:39:15,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 10:39:15,477 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 10:39:15,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 10:39:15,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 10:39:15,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 10:39:15,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 10:39:15,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 10:39:15,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 10:39:15,478 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 10:39:15,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 10:39:15,478 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 10:39:15,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 10:39:15,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 10:39:15,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 10:39:15,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:39:15,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 10:39:15,479 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 10:39:15,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 10:39:15,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 10:39:15,479 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 10:39:15,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 10:39:15,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 10:39:15,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 10:39:15,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 10:39:15,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 10:39:15,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 10:39:15,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 10:39:15,683 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 10:39:15,684 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 10:39:15,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label08.c [2023-04-01 10:39:16,629 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 10:39:17,949 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 10:39:17,950 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label08.c [2023-04-01 10:39:18,060 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a440fa519/1b858f2059a74323beb957a9ffbccc25/FLAG5d4d325bd [2023-04-01 10:39:18,068 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a440fa519/1b858f2059a74323beb957a9ffbccc25 [2023-04-01 10:39:18,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 10:39:18,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 10:39:18,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 10:39:18,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 10:39:18,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 10:39:18,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:39:18" (1/1) ... [2023-04-01 10:39:18,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c230d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:18, skipping insertion in model container [2023-04-01 10:39:18,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:39:18" (1/1) ... [2023-04-01 10:39:18,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 10:39:18,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 10:39:25,325 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_label08.c[2767137,2767150] [2023-04-01 10:39:25,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:39:25,378 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 10:39:29,115 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_label08.c[2767137,2767150] [2023-04-01 10:39:29,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:39:29,901 INFO L208 MainTranslator]: Completed translation [2023-04-01 10:39:29,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29 WrapperNode [2023-04-01 10:39:29,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 10:39:29,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 10:39:29,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 10:39:29,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 10:39:29,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (1/1) ... [2023-04-01 10:39:29,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (1/1) ... [2023-04-01 10:39:30,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (1/1) ... [2023-04-01 10:39:30,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (1/1) ... [2023-04-01 10:39:31,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (1/1) ... [2023-04-01 10:39:31,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (1/1) ... [2023-04-01 10:39:32,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (1/1) ... [2023-04-01 10:39:32,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (1/1) ... [2023-04-01 10:39:32,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 10:39:32,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 10:39:32,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 10:39:32,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 10:39:32,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (1/1) ... [2023-04-01 10:39:32,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:39:32,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:39:32,903 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 10:39:32,932 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 10:39:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 10:39:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 10:39:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 10:39:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 10:39:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 10:39:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 10:39:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 10:39:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 10:39:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 10:39:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 10:39:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 10:39:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 10:39:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 10:39:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 10:39:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 10:39:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 10:39:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 10:39:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 10:39:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 10:39:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 10:39:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 10:39:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 10:39:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 10:39:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 10:39:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 10:39:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 10:39:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 10:39:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 10:39:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 10:39:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 10:39:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 10:39:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 10:39:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 10:39:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 10:39:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 10:39:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 10:39:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 10:39:33,124 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 10:39:33,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 10:40:01,660 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 10:40:02,510 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 10:40:02,510 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 10:40:02,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:40:02 BoogieIcfgContainer [2023-04-01 10:40:02,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 10:40:02,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 10:40:02,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 10:40:02,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 10:40:02,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:39:18" (1/3) ... [2023-04-01 10:40:02,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6636bc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:40:02, skipping insertion in model container [2023-04-01 10:40:02,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:29" (2/3) ... [2023-04-01 10:40:02,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6636bc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:40:02, skipping insertion in model container [2023-04-01 10:40:02,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:40:02" (3/3) ... [2023-04-01 10:40:02,525 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label08.c [2023-04-01 10:40:02,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 10:40:02,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 10:40:02,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 10:40:02,661 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;@7da99d78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 10:40:02,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 10:40:02,689 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 10:40:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 10:40:03,317 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:40:03,322 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 10:40:03,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1298948329, now seen corresponding path program 1 times [2023-04-01 10:40:03,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:40:03,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680514713] [2023-04-01 10:40:03,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:40:03,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:40:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat