/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_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 21:37:32,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 21:37:32,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 21:37:32,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 21:37:32,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 21:37:32,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 21:37:32,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 21:37:32,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 21:37:32,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 21:37:32,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 21:37:32,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 21:37:32,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 21:37:32,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 21:37:32,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 21:37:32,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 21:37:32,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 21:37:32,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 21:37:32,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 21:37:32,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 21:37:32,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 21:37:32,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 21:37:32,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 21:37:32,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 21:37:32,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 21:37:32,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 21:37:32,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 21:37:32,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 21:37:32,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 21:37:32,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 21:37:32,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 21:37:32,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 21:37:32,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 21:37:32,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 21:37:32,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 21:37:32,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 21:37:32,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 21:37:32,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 21:37:32,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 21:37:32,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 21:37:32,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 21:37:32,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 21:37:32,308 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 21:37:32,337 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 21:37:32,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 21:37:32,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 21:37:32,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 21:37:32,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 21:37:32,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 21:37:32,338 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 21:37:32,339 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 21:37:32,339 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 21:37:32,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 21:37:32,339 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 21:37:32,340 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 21:37:32,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 21:37:32,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 21:37:32,340 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 21:37:32,340 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 21:37:32,340 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 21:37:32,340 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 21:37:32,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 21:37:32,341 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 21:37:32,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 21:37:32,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 21:37:32,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 21:37:32,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 21:37:32,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 21:37:32,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 21:37:32,342 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 21:37:32,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 21:37:32,342 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 21:37:32,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 21:37:32,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 21:37:32,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 21:37:32,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:37:32,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 21:37:32,343 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 21:37:32,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 21:37:32,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 21:37:32,344 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 21:37:32,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 21:37:32,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 21:37:32,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 21:37:32,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 21:37:32,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 21:37:32,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 21:37:32,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 21:37:32,577 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 21:37:32,577 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 21:37:32,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label38.c [2023-03-31 21:37:33,798 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 21:37:35,212 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 21:37:35,213 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label38.c [2023-03-31 21:37:35,331 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983e879ef/64162408cc084c8bb30fa5881315b007/FLAGd4a6ed655 [2023-03-31 21:37:35,343 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983e879ef/64162408cc084c8bb30fa5881315b007 [2023-03-31 21:37:35,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 21:37:35,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 21:37:35,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 21:37:35,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 21:37:35,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 21:37:35,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:37:35" (1/1) ... [2023-03-31 21:37:35,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea807fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:35, skipping insertion in model container [2023-03-31 21:37:35,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:37:35" (1/1) ... [2023-03-31 21:37:35,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 21:37:36,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 21:37:43,891 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_label38.c[2774782,2774795] [2023-03-31 21:37:43,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:37:43,948 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 21:37:48,498 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_label38.c[2774782,2774795] [2023-03-31 21:37:48,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:37:49,003 INFO L208 MainTranslator]: Completed translation [2023-03-31 21:37:49,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49 WrapperNode [2023-03-31 21:37:49,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 21:37:49,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 21:37:49,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 21:37:49,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 21:37:49,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (1/1) ... [2023-03-31 21:37:49,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (1/1) ... [2023-03-31 21:37:50,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (1/1) ... [2023-03-31 21:37:50,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (1/1) ... [2023-03-31 21:37:51,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (1/1) ... [2023-03-31 21:37:51,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (1/1) ... [2023-03-31 21:37:51,762 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (1/1) ... [2023-03-31 21:37:52,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (1/1) ... [2023-03-31 21:37:52,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 21:37:52,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 21:37:52,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 21:37:52,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 21:37:52,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (1/1) ... [2023-03-31 21:37:52,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:37:52,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 21:37:52,522 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 21:37:52,532 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 21:37:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 21:37:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 21:37:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 21:37:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 21:37:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 21:37:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 21:37:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-31 21:37:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-31 21:37:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-31 21:37:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-31 21:37:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-31 21:37:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-31 21:37:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-31 21:37:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-31 21:37:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-31 21:37:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-31 21:37:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-31 21:37:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-31 21:37:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-31 21:37:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-31 21:37:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-31 21:37:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-31 21:37:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-31 21:37:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-31 21:37:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-31 21:37:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-31 21:37:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-31 21:37:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-31 21:37:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-31 21:37:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-31 21:37:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-31 21:37:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-31 21:37:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-31 21:37:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-31 21:37:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-31 21:37:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-31 21:37:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-31 21:37:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 21:37:52,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 21:37:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 21:37:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 21:37:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 21:37:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 21:37:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 21:37:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 21:37:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 21:37:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-31 21:37:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-31 21:37:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-31 21:37:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-31 21:37:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-31 21:37:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-31 21:37:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-31 21:37:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-31 21:37:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-31 21:37:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-31 21:37:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-31 21:37:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-31 21:37:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-31 21:37:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-31 21:37:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-31 21:37:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-31 21:37:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-31 21:37:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-31 21:37:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 21:37:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 21:37:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 21:37:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 21:37:52,749 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 21:37:52,752 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 21:38:26,325 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 21:38:27,252 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 21:38:27,253 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 21:38:27,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:38:27 BoogieIcfgContainer [2023-03-31 21:38:27,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 21:38:27,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 21:38:27,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 21:38:27,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 21:38:27,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 09:37:35" (1/3) ... [2023-03-31 21:38:27,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c08bbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:38:27, skipping insertion in model container [2023-03-31 21:38:27,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:49" (2/3) ... [2023-03-31 21:38:27,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c08bbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:38:27, skipping insertion in model container [2023-03-31 21:38:27,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:38:27" (3/3) ... [2023-03-31 21:38:27,270 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label38.c [2023-03-31 21:38:27,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 21:38:27,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 21:38:27,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 21:38:27,482 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;@1fa26db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 21:38:27,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 21:38:27,515 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 21:38:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-03-31 21:38:28,292 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:38:28,298 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 21:38:28,308 INFO L85 PathProgramCache]: Analyzing trace with hash 536081493, now seen corresponding path program 1 times [2023-03-31 21:38:28,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:38:28,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499346576] [2023-03-31 21:38:28,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:38:28,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms