/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_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:41:09,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:41:09,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:41:09,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:41:09,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:41:09,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:41:09,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:41:09,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:41:09,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:41:09,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:41:09,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:41:09,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:41:09,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:41:09,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:41:09,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:41:09,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:41:09,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:41:09,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:41:09,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:41:09,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:41:09,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:41:09,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:41:09,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:41:09,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:41:09,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:41:09,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:41:09,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:41:09,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:41:09,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:41:09,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:41:09,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:41:09,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:41:09,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:41:09,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:41:09,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:41:09,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:41:09,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:41:09,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:41:09,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:41:09,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:41:09,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:41:09,466 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 03:41:09,484 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:41:09,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:41:09,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:41:09,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:41:09,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:41:09,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:41:09,487 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:41:09,488 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:41:09,488 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:41:09,488 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:41:09,488 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:41:09,488 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:41:09,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:41:09,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:41:09,489 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:41:09,489 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:41:09,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:41:09,489 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:41:09,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:41:09,489 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:41:09,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:41:09,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:41:09,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:41:09,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:41:09,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:41:09,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:41:09,490 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:41:09,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:41:09,490 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:41:09,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:41:09,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:41:09,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:41:09,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:41:09,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:41:09,491 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:41:09,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:41:09,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:41:09,491 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:41:09,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:41:09,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:41:09,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:41:09,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:41:09,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:41:09,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:41:09,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:41:09,691 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:41:09,692 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:41:09,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label55.c [2023-04-01 03:41:10,670 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:41:11,748 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:41:11,749 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label55.c [2023-04-01 03:41:11,854 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5015c5125/022b840687c848a2b7e3ccdfbf5b689f/FLAGdf5b6707f [2023-04-01 03:41:11,866 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5015c5125/022b840687c848a2b7e3ccdfbf5b689f [2023-04-01 03:41:11,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:41:11,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:41:11,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:41:11,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:41:11,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:41:11,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:41:11" (1/1) ... [2023-04-01 03:41:11,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4602012d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:11, skipping insertion in model container [2023-04-01 03:41:11,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:41:11" (1/1) ... [2023-04-01 03:41:11,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:41:12,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:41:19,111 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_label55.c[2773417,2773430] [2023-04-01 03:41:19,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:41:19,167 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:41:22,942 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_label55.c[2773417,2773430] [2023-04-01 03:41:22,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:41:23,731 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:41:23,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23 WrapperNode [2023-04-01 03:41:23,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:41:23,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:41:23,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:41:23,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:41:23,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (1/1) ... [2023-04-01 03:41:23,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (1/1) ... [2023-04-01 03:41:24,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (1/1) ... [2023-04-01 03:41:24,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (1/1) ... [2023-04-01 03:41:25,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (1/1) ... [2023-04-01 03:41:25,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (1/1) ... [2023-04-01 03:41:25,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (1/1) ... [2023-04-01 03:41:25,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (1/1) ... [2023-04-01 03:41:26,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:41:26,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:41:26,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:41:26,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:41:26,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (1/1) ... [2023-04-01 03:41:26,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:41:26,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:41:26,253 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 03:41:26,255 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 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 03:41:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 03:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 03:41:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 03:41:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 03:41:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 03:41:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 03:41:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 03:41:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 03:41:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:41:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 03:41:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 03:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 03:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 03:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:41:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:41:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:41:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:41:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:41:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:41:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:41:26,393 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:41:26,395 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:41:56,014 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:41:56,736 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:41:56,736 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 03:41:56,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:41:56 BoogieIcfgContainer [2023-04-01 03:41:56,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:41:56,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:41:56,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:41:56,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:41:56,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:41:11" (1/3) ... [2023-04-01 03:41:56,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471f1b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:41:56, skipping insertion in model container [2023-04-01 03:41:56,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:41:23" (2/3) ... [2023-04-01 03:41:56,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471f1b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:41:56, skipping insertion in model container [2023-04-01 03:41:56,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:41:56" (3/3) ... [2023-04-01 03:41:56,763 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label55.c [2023-04-01 03:41:56,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:41:56,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:41:56,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:41:56,939 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;@3911e234, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:41:56,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:41:56,971 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 03:41:57,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 03:41:57,757 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:41:57,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 03:41:57,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 03:41:57,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 03:41:57,778 INFO L85 PathProgramCache]: Analyzing trace with hash 536076562, now seen corresponding path program 1 times [2023-04-01 03:41:57,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:41:57,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93807356] [2023-04-01 03:41:57,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:41:57,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:41:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat