/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 OctagonDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 17:50:19,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 17:50:19,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 17:50:19,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 17:50:19,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 17:50:19,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 17:50:19,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 17:50:19,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 17:50:19,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 17:50:19,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 17:50:19,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 17:50:19,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 17:50:19,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 17:50:19,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 17:50:19,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 17:50:19,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 17:50:19,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 17:50:19,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 17:50:19,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 17:50:19,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 17:50:19,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 17:50:19,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 17:50:19,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 17:50:19,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 17:50:19,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 17:50:19,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 17:50:19,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 17:50:19,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 17:50:19,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 17:50:19,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 17:50:19,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 17:50:19,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 17:50:19,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 17:50:19,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 17:50:19,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 17:50:19,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 17:50:19,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 17:50:19,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 17:50:19,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 17:50:19,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 17:50:19,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 17:50:19,468 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 [2023-04-02 17:50:19,490 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 17:50:19,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 17:50:19,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 17:50:19,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 17:50:19,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 17:50:19,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 17:50:19,491 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 17:50:19,492 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 17:50:19,492 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 17:50:19,492 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 17:50:19,492 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 17:50:19,493 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 17:50:19,493 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 17:50:19,493 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 17:50:19,493 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 17:50:19,493 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 17:50:19,493 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 17:50:19,493 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 17:50:19,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 17:50:19,493 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 17:50:19,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 17:50:19,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 17:50:19,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 17:50:19,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 17:50:19,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 17:50:19,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 17:50:19,494 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 17:50:19,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 17:50:19,494 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 17:50:19,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 17:50:19,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 17:50:19,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 17:50:19,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 17:50:19,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 17:50:19,495 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 17:50:19,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 17:50:19,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 17:50:19,495 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 17:50:19,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 17:50:19,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 17:50:19,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 17:50:19,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 17:50:19,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 17:50:19,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 17:50:19,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 17:50:19,691 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 17:50:19,704 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 17:50:19,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label19.c [2023-04-02 17:50:20,709 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 17:50:22,090 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 17:50:22,091 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label19.c [2023-04-02 17:50:22,230 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f5ee4d6/6ac7d27899974c84a7f2eef9102b66d8/FLAG8a74eb2cf [2023-04-02 17:50:22,241 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f5ee4d6/6ac7d27899974c84a7f2eef9102b66d8 [2023-04-02 17:50:22,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 17:50:22,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 17:50:22,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 17:50:22,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 17:50:22,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 17:50:22,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:50:22" (1/1) ... [2023-04-02 17:50:22,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb4169d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:22, skipping insertion in model container [2023-04-02 17:50:22,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:50:22" (1/1) ... [2023-04-02 17:50:22,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 17:50:22,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 17:50:29,749 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_label19.c[2767452,2767465] [2023-04-02 17:50:29,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 17:50:29,803 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 17:50:33,697 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_label19.c[2767452,2767465] [2023-04-02 17:50:33,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 17:50:34,513 INFO L208 MainTranslator]: Completed translation [2023-04-02 17:50:34,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34 WrapperNode [2023-04-02 17:50:34,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 17:50:34,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 17:50:34,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 17:50:34,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 17:50:34,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (1/1) ... [2023-04-02 17:50:34,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (1/1) ... [2023-04-02 17:50:35,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (1/1) ... [2023-04-02 17:50:35,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (1/1) ... [2023-04-02 17:50:36,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (1/1) ... [2023-04-02 17:50:36,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (1/1) ... [2023-04-02 17:50:36,490 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (1/1) ... [2023-04-02 17:50:36,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (1/1) ... [2023-04-02 17:50:37,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 17:50:37,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 17:50:37,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 17:50:37,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 17:50:37,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (1/1) ... [2023-04-02 17:50:37,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 17:50:37,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 17:50:37,058 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) [2023-04-02 17:50:37,065 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 [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-02 17:50:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-02 17:50:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-02 17:50:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-02 17:50:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-02 17:50:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-02 17:50:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-02 17:50:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-02 17:50:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-02 17:50:37,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-02 17:50:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-02 17:50:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-02 17:50:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 17:50:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 17:50:37,206 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 17:50:37,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 17:51:04,802 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 17:51:05,718 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 17:51:05,719 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 17:51:05,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:51:05 BoogieIcfgContainer [2023-04-02 17:51:05,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 17:51:05,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 17:51:05,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 17:51:05,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 17:51:05,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 05:50:22" (1/3) ... [2023-04-02 17:51:05,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b317261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:51:05, skipping insertion in model container [2023-04-02 17:51:05,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:50:34" (2/3) ... [2023-04-02 17:51:05,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b317261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:51:05, skipping insertion in model container [2023-04-02 17:51:05,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:51:05" (3/3) ... [2023-04-02 17:51:05,733 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label19.c [2023-04-02 17:51:05,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 17:51:05,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 17:51:05,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 17:51:05,916 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;@4141336, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 17:51:05,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 17:51:05,944 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) [2023-04-02 17:51:06,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-02 17:51:06,732 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 17:51:06,748 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 [2023-04-02 17:51:06,763 INFO L85 PathProgramCache]: Analyzing trace with hash 536050304, now seen corresponding path program 1 times [2023-04-02 17:51:06,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 17:51:06,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102315689] [2023-04-02 17:51:06,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 17:51:06,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 17:51:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat