/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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 10:39:22,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 10:39:22,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 10:39:22,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 10:39:22,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 10:39:22,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 10:39:22,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 10:39:22,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 10:39:22,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 10:39:22,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 10:39:22,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 10:39:22,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 10:39:22,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 10:39:22,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 10:39:22,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 10:39:22,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 10:39:22,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 10:39:22,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 10:39:22,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 10:39:22,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 10:39:22,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 10:39:22,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 10:39:22,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 10:39:22,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 10:39:22,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 10:39:22,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 10:39:22,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 10:39:22,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 10:39:22,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 10:39:22,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 10:39:22,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 10:39:22,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 10:39:22,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 10:39:22,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 10:39:22,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 10:39:22,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 10:39:22,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 10:39:22,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 10:39:22,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 10:39:22,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 10:39:22,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 10:39:22,317 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 10:39:22,335 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 10:39:22,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 10:39:22,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 10:39:22,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 10:39:22,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 10:39:22,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 10:39:22,337 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 10:39:22,337 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 10:39:22,337 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 10:39:22,337 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 10:39:22,337 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 10:39:22,338 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 10:39:22,338 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 10:39:22,338 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 10:39:22,338 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 10:39:22,338 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 10:39:22,339 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 10:39:22,339 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 10:39:22,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 10:39:22,340 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 10:39:22,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 10:39:22,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 10:39:22,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 10:39:22,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 10:39:22,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 10:39:22,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 10:39:22,341 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 10:39:22,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 10:39:22,341 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 10:39:22,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 10:39:22,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 10:39:22,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 10:39:22,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:39:22,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 10:39:22,342 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 10:39:22,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 10:39:22,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 10:39:22,343 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 10:39:22,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 10:39:22,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 10:39:22,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 10:39:22,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 10:39:22,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 10:39:22,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 10:39:22,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 10:39:22,568 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 10:39:22,570 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 10:39:22,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label12.c [2023-04-01 10:39:23,767 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 10:39:25,209 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 10:39:25,210 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label12.c [2023-04-01 10:39:25,304 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f9e12fb/4654e590de4842518b97c8bcb18f94ea/FLAGf3b81f948 [2023-04-01 10:39:25,313 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f9e12fb/4654e590de4842518b97c8bcb18f94ea [2023-04-01 10:39:25,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 10:39:25,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 10:39:25,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 10:39:25,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 10:39:25,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 10:39:25,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:39:25" (1/1) ... [2023-04-01 10:39:25,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592333d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:25, skipping insertion in model container [2023-04-01 10:39:25,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:39:25" (1/1) ... [2023-04-01 10:39:25,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 10:39:26,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 10:39:33,426 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_label12.c[2767992,2768005] [2023-04-01 10:39:33,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:39:33,489 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 10:39:37,596 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_label12.c[2767992,2768005] [2023-04-01 10:39:37,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:39:38,340 INFO L208 MainTranslator]: Completed translation [2023-04-01 10:39:38,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38 WrapperNode [2023-04-01 10:39:38,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 10:39:38,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 10:39:38,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 10:39:38,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 10:39:38,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (1/1) ... [2023-04-01 10:39:38,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (1/1) ... [2023-04-01 10:39:39,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (1/1) ... [2023-04-01 10:39:39,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (1/1) ... [2023-04-01 10:39:40,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (1/1) ... [2023-04-01 10:39:40,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (1/1) ... [2023-04-01 10:39:40,723 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (1/1) ... [2023-04-01 10:39:40,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (1/1) ... [2023-04-01 10:39:41,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 10:39:41,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 10:39:41,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 10:39:41,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 10:39:41,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (1/1) ... [2023-04-01 10:39:41,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:39:41,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:39:41,386 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 10:39:41,389 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 10:39:41,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 10:39:41,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 10:39:41,416 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 10:39:41,416 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 10:39:41,416 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 10:39:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 10:39:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 10:39:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 10:39:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 10:39:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 10:39:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 10:39:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 10:39:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 10:39:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 10:39:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 10:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 10:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 10:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 10:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 10:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 10:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 10:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 10:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 10:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 10:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 10:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 10:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 10:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 10:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 10:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 10:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 10:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 10:39:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 10:39:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 10:39:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 10:39:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 10:39:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 10:39:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 10:39:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 10:39:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 10:39:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 10:39:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 10:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 10:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 10:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 10:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 10:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 10:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 10:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 10:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 10:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 10:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 10:39:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 10:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 10:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 10:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 10:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 10:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 10:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 10:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 10:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 10:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 10:39:41,556 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 10:39:41,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 10:40:14,003 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 10:40:15,054 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 10:40:15,054 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 10:40:15,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:40:15 BoogieIcfgContainer [2023-04-01 10:40:15,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 10:40:15,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 10:40:15,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 10:40:15,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 10:40:15,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:39:25" (1/3) ... [2023-04-01 10:40:15,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d56e45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:40:15, skipping insertion in model container [2023-04-01 10:40:15,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:38" (2/3) ... [2023-04-01 10:40:15,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d56e45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:40:15, skipping insertion in model container [2023-04-01 10:40:15,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:40:15" (3/3) ... [2023-04-01 10:40:15,074 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label12.c [2023-04-01 10:40:15,094 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 10:40:15,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 10:40:15,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 10:40:15,291 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;@2ac04eee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 10:40:15,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 10:40:15,329 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 10:40:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 10:40:16,153 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:40:16,159 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 10:40:16,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1298907648, now seen corresponding path program 1 times [2023-04-01 10:40:16,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:40:16,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209239812] [2023-04-01 10:40:16,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:40:16,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms