/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_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 21:36:42,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 21:36:42,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 21:36:42,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 21:36:42,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 21:36:42,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 21:36:42,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 21:36:42,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 21:36:42,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 21:36:42,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 21:36:42,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 21:36:42,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 21:36:42,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 21:36:42,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 21:36:42,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 21:36:42,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 21:36:42,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 21:36:42,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 21:36:42,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 21:36:42,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 21:36:42,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 21:36:42,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 21:36:42,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 21:36:42,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 21:36:42,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 21:36:42,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 21:36:42,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 21:36:42,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 21:36:42,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 21:36:42,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 21:36:42,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 21:36:42,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 21:36:42,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 21:36:42,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 21:36:42,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 21:36:42,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 21:36:42,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 21:36:42,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 21:36:42,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 21:36:42,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 21:36:42,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 21:36:42,686 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 21:36:42,715 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 21:36:42,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 21:36:42,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 21:36:42,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 21:36:42,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 21:36:42,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 21:36:42,717 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 21:36:42,717 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 21:36:42,717 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 21:36:42,717 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 21:36:42,718 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 21:36:42,718 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 21:36:42,718 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 21:36:42,719 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 21:36:42,719 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 21:36:42,719 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 21:36:42,719 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 21:36:42,719 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 21:36:42,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 21:36:42,720 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 21:36:42,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 21:36:42,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 21:36:42,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 21:36:42,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 21:36:42,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 21:36:42,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 21:36:42,720 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 21:36:42,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 21:36:42,721 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 21:36:42,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 21:36:42,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 21:36:42,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 21:36:42,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:36:42,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 21:36:42,722 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 21:36:42,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 21:36:42,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 21:36:42,722 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 21:36:42,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 21:36:42,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 21:36:42,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 21:36:42,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 21:36:42,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 21:36:42,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 21:36:42,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 21:36:42,981 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 21:36:42,982 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 21:36:42,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label26.c [2023-03-31 21:36:44,027 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 21:36:45,509 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 21:36:45,510 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label26.c [2023-03-31 21:36:45,630 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0c9e0d9/301a99771e7b431ea8293bab6eb51f59/FLAG316583716 [2023-03-31 21:36:45,641 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0c9e0d9/301a99771e7b431ea8293bab6eb51f59 [2023-03-31 21:36:45,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 21:36:45,644 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 21:36:45,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 21:36:45,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 21:36:45,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 21:36:45,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:36:45" (1/1) ... [2023-03-31 21:36:45,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6845a72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:45, skipping insertion in model container [2023-03-31 21:36:45,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:36:45" (1/1) ... [2023-03-31 21:36:45,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 21:36:46,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 21:36:53,836 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_label26.c[2775806,2775819] [2023-03-31 21:36:53,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:36:53,890 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 21:36:58,054 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_label26.c[2775806,2775819] [2023-03-31 21:36:58,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:36:59,167 INFO L208 MainTranslator]: Completed translation [2023-03-31 21:36:59,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59 WrapperNode [2023-03-31 21:36:59,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 21:36:59,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 21:36:59,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 21:36:59,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 21:36:59,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (1/1) ... [2023-03-31 21:36:59,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (1/1) ... [2023-03-31 21:37:00,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (1/1) ... [2023-03-31 21:37:00,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (1/1) ... [2023-03-31 21:37:01,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (1/1) ... [2023-03-31 21:37:01,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (1/1) ... [2023-03-31 21:37:01,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (1/1) ... [2023-03-31 21:37:02,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (1/1) ... [2023-03-31 21:37:02,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 21:37:02,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 21:37:02,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 21:37:02,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 21:37:02,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (1/1) ... [2023-03-31 21:37:02,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:37:02,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 21:37:02,730 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 21:37:02,733 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 21:37:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 21:37:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 21:37:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 21:37:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 21:37:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 21:37:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-31 21:37:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-31 21:37:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-31 21:37:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-31 21:37:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-31 21:37:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-31 21:37:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-31 21:37:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-31 21:37:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-31 21:37:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-31 21:37:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-31 21:37:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-31 21:37:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-31 21:37:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-31 21:37:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-31 21:37:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-31 21:37:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-31 21:37:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-31 21:37:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-31 21:37:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-31 21:37:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-31 21:37:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-31 21:37:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-31 21:37:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-31 21:37:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-31 21:37:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-31 21:37:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-31 21:37:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-31 21:37:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 21:37:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 21:37:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 21:37:02,973 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 21:37:02,975 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 21:37:35,402 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 21:37:36,319 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 21:37:36,319 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 21:37:36,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:37:36 BoogieIcfgContainer [2023-03-31 21:37:36,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 21:37:36,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 21:37:36,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 21:37:36,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 21:37:36,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 09:36:45" (1/3) ... [2023-03-31 21:37:36,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afb8198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:37:36, skipping insertion in model container [2023-03-31 21:37:36,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:59" (2/3) ... [2023-03-31 21:37:36,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afb8198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:37:36, skipping insertion in model container [2023-03-31 21:37:36,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:37:36" (3/3) ... [2023-03-31 21:37:36,349 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label26.c [2023-03-31 21:37:36,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 21:37:36,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 21:37:36,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 21:37:36,578 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;@77c4db86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 21:37:36,579 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 21:37:36,616 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)