/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 IntervalDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 21:36:27,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 21:36:27,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 21:36:27,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 21:36:27,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 21:36:27,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 21:36:27,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 21:36:27,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 21:36:27,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 21:36:27,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 21:36:27,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 21:36:27,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 21:36:27,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 21:36:27,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 21:36:27,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 21:36:27,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 21:36:27,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 21:36:27,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 21:36:27,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 21:36:27,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 21:36:27,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 21:36:27,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 21:36:27,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 21:36:27,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 21:36:27,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 21:36:27,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 21:36:27,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 21:36:27,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 21:36:27,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 21:36:27,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 21:36:27,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 21:36:27,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 21:36:27,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 21:36:27,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 21:36:27,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 21:36:27,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 21:36:27,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 21:36:27,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 21:36:27,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 21:36:27,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 21:36:27,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 21:36:27,419 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 [2023-03-31 21:36:27,443 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 21:36:27,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 21:36:27,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 21:36:27,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 21:36:27,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 21:36:27,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 21:36:27,445 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 21:36:27,445 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 21:36:27,445 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 21:36:27,445 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 21:36:27,445 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 21:36:27,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 21:36:27,446 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 21:36:27,446 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 21:36:27,446 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 21:36:27,446 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 21:36:27,446 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 21:36:27,446 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 21:36:27,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 21:36:27,447 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 21:36:27,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 21:36:27,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 21:36:27,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 21:36:27,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 21:36:27,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 21:36:27,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 21:36:27,448 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 21:36:27,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 21:36:27,448 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 21:36:27,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 21:36:27,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 21:36:27,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 21:36:27,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:36:27,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 21:36:27,449 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 21:36:27,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 21:36:27,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 21:36:27,449 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 21:36:27,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 21:36:27,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 21:36:27,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 21:36:27,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 21:36:27,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 21:36:27,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 21:36:27,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 21:36:27,678 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 21:36:27,678 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 21:36:27,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label22.c [2023-03-31 21:36:28,581 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 21:36:29,772 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 21:36:29,773 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label22.c [2023-03-31 21:36:29,911 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9d34fb2/bf5271ee21dc4b80b81b4e398afe4c5c/FLAG542198756 [2023-03-31 21:36:29,922 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9d34fb2/bf5271ee21dc4b80b81b4e398afe4c5c [2023-03-31 21:36:29,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 21:36:29,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 21:36:29,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 21:36:29,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 21:36:29,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 21:36:29,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:36:29" (1/1) ... [2023-03-31 21:36:29,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5373c734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:29, skipping insertion in model container [2023-03-31 21:36:29,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:36:29" (1/1) ... [2023-03-31 21:36:29,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 21:36:30,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 21:36:37,226 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_label22.c[2775123,2775136] [2023-03-31 21:36:37,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:36:37,283 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 21:36:41,306 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_label22.c[2775123,2775136] [2023-03-31 21:36:41,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:36:42,289 INFO L208 MainTranslator]: Completed translation [2023-03-31 21:36:42,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42 WrapperNode [2023-03-31 21:36:42,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 21:36:42,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 21:36:42,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 21:36:42,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 21:36:42,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (1/1) ... [2023-03-31 21:36:42,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (1/1) ... [2023-03-31 21:36:43,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (1/1) ... [2023-03-31 21:36:43,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (1/1) ... [2023-03-31 21:36:44,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (1/1) ... [2023-03-31 21:36:44,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (1/1) ... [2023-03-31 21:36:44,851 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (1/1) ... [2023-03-31 21:36:45,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (1/1) ... [2023-03-31 21:36:45,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 21:36:45,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 21:36:45,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 21:36:45,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 21:36:45,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (1/1) ... [2023-03-31 21:36:45,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:36:45,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 21:36:45,481 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) [2023-03-31 21:36:45,482 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 [2023-03-31 21:36:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 21:36:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-31 21:36:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-31 21:36:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-31 21:36:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-31 21:36:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-31 21:36:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-31 21:36:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-31 21:36:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-31 21:36:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 21:36:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 21:36:45,657 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 21:36:45,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 21:37:14,201 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 21:37:14,970 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 21:37:14,971 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 21:37:14,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:37:14 BoogieIcfgContainer [2023-03-31 21:37:14,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 21:37:14,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 21:37:14,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 21:37:14,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 21:37:14,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 09:36:29" (1/3) ... [2023-03-31 21:37:14,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6db1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:37:14, skipping insertion in model container [2023-03-31 21:37:14,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:42" (2/3) ... [2023-03-31 21:37:14,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6db1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:37:14, skipping insertion in model container [2023-03-31 21:37:14,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:37:14" (3/3) ... [2023-03-31 21:37:14,987 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label22.c [2023-03-31 21:37:15,000 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 21:37:15,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 21:37:15,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 21:37:15,192 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;@6bbaa20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 21:37:15,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 21:37:15,220 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) [2023-03-31 21:37:15,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-03-31 21:37:15,853 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:37:15,859 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 [2023-03-31 21:37:15,868 INFO L85 PathProgramCache]: Analyzing trace with hash 536082005, now seen corresponding path program 1 times [2023-03-31 21:37:15,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:37:15,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784175663] [2023-03-31 21:37:15,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:37:15,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 21:37:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat