/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_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 21:36:31,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 21:36:31,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 21:36:31,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 21:36:31,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 21:36:31,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 21:36:31,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 21:36:31,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 21:36:31,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 21:36:31,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 21:36:31,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 21:36:31,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 21:36:31,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 21:36:31,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 21:36:31,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 21:36:31,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 21:36:31,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 21:36:31,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 21:36:31,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 21:36:31,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 21:36:31,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 21:36:31,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 21:36:31,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 21:36:31,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 21:36:31,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 21:36:31,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 21:36:31,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 21:36:31,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 21:36:31,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 21:36:31,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 21:36:31,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 21:36:31,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 21:36:31,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 21:36:31,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 21:36:31,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 21:36:31,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 21:36:31,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 21:36:31,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 21:36:31,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 21:36:31,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 21:36:31,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 21:36:31,416 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 21:36:31,448 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 21:36:31,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 21:36:31,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 21:36:31,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 21:36:31,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 21:36:31,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 21:36:31,450 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 21:36:31,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 21:36:31,450 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 21:36:31,450 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 21:36:31,451 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 21:36:31,451 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 21:36:31,451 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 21:36:31,451 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 21:36:31,451 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 21:36:31,452 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 21:36:31,452 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 21:36:31,452 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 21:36:31,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 21:36:31,453 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 21:36:31,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 21:36:31,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 21:36:31,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 21:36:31,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 21:36:31,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 21:36:31,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 21:36:31,454 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 21:36:31,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 21:36:31,454 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 21:36:31,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 21:36:31,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 21:36:31,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 21:36:31,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:36:31,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 21:36:31,455 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 21:36:31,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 21:36:31,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 21:36:31,455 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 21:36:31,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 21:36:31,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 21:36:31,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 21:36:31,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 21:36:31,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 21:36:31,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 21:36:31,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 21:36:31,673 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 21:36:31,673 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 21:36:31,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label24.c [2023-03-31 21:36:32,824 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 21:36:34,248 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 21:36:34,248 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label24.c [2023-03-31 21:36:34,350 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8464cdf/5c0d6ab129b248c9b801ea8608a3eb69/FLAG6980fcf64 [2023-03-31 21:36:34,361 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8464cdf/5c0d6ab129b248c9b801ea8608a3eb69 [2023-03-31 21:36:34,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 21:36:34,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 21:36:34,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 21:36:34,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 21:36:34,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 21:36:34,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:36:34" (1/1) ... [2023-03-31 21:36:34,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a25d8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:34, skipping insertion in model container [2023-03-31 21:36:34,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:36:34" (1/1) ... [2023-03-31 21:36:34,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 21:36:35,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 21:36:42,587 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_label24.c[2776659,2776672] [2023-03-31 21:36:42,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:36:42,641 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 21:36:47,127 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_label24.c[2776659,2776672] [2023-03-31 21:36:47,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:36:47,673 INFO L208 MainTranslator]: Completed translation [2023-03-31 21:36:47,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47 WrapperNode [2023-03-31 21:36:47,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 21:36:47,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 21:36:47,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 21:36:47,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 21:36:47,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (1/1) ... [2023-03-31 21:36:47,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (1/1) ... [2023-03-31 21:36:48,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (1/1) ... [2023-03-31 21:36:48,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (1/1) ... [2023-03-31 21:36:49,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (1/1) ... [2023-03-31 21:36:49,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (1/1) ... [2023-03-31 21:36:50,111 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (1/1) ... [2023-03-31 21:36:50,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (1/1) ... [2023-03-31 21:36:50,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 21:36:50,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 21:36:50,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 21:36:50,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 21:36:50,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (1/1) ... [2023-03-31 21:36:50,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:36:50,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 21:36:50,909 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 21:36:50,923 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 21:36:50,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 21:36:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-31 21:36:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-31 21:36:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-31 21:36:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-31 21:36:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-31 21:36:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-31 21:36:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-31 21:36:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 21:36:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 21:36:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 21:36:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 21:36:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 21:36:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 21:36:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-31 21:36:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-31 21:36:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-31 21:36:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 21:36:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 21:36:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 21:36:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 21:36:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 21:36:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 21:36:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 21:36:51,082 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 21:36:51,084 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 21:37:24,577 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 21:37:25,580 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 21:37:25,581 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 21:37:25,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:37:25 BoogieIcfgContainer [2023-03-31 21:37:25,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 21:37:25,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 21:37:25,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 21:37:25,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 21:37:25,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 09:36:34" (1/3) ... [2023-03-31 21:37:25,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b894f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:37:25, skipping insertion in model container [2023-03-31 21:37:25,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:47" (2/3) ... [2023-03-31 21:37:25,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b894f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:37:25, skipping insertion in model container [2023-03-31 21:37:25,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:37:25" (3/3) ... [2023-03-31 21:37:25,605 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label24.c [2023-03-31 21:37:25,619 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 21:37:25,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 21:37:25,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 21:37:25,836 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;@5e82d7c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 21:37:25,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 21:37:25,869 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 21:37:26,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-03-31 21:37:26,732 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:37:26,739 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 21:37:26,753 INFO L85 PathProgramCache]: Analyzing trace with hash -742659148, now seen corresponding path program 1 times [2023-03-31 21:37:26,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:37:26,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708915631] [2023-03-31 21:37:26,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:37:26,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms