/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-programs/Problem101_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 22:34:58,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 22:34:58,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 22:34:58,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 22:34:58,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 22:34:58,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 22:34:58,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 22:34:58,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 22:34:58,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 22:34:58,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 22:34:58,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 22:34:58,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 22:34:58,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 22:34:58,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 22:34:58,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 22:34:58,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 22:34:58,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 22:34:58,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 22:34:58,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 22:34:58,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 22:34:58,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 22:34:58,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 22:34:58,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 22:34:58,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 22:34:58,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 22:34:58,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 22:34:58,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 22:34:58,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 22:34:58,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 22:34:58,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 22:34:58,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 22:34:58,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 22:34:58,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 22:34:58,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 22:34:58,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 22:34:58,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 22:34:58,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 22:34:58,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 22:34:58,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 22:34:58,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 22:34:58,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 22:34:58,877 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 22:34:58,910 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 22:34:58,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 22:34:58,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 22:34:58,910 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 22:34:58,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 22:34:58,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 22:34:58,911 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 22:34:58,911 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 22:34:58,912 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 22:34:58,912 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 22:34:58,912 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 22:34:58,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 22:34:58,913 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 22:34:58,913 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 22:34:58,913 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 22:34:58,913 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 22:34:58,913 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 22:34:58,913 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 22:34:58,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 22:34:58,914 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 22:34:58,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 22:34:58,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 22:34:58,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 22:34:58,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 22:34:58,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 22:34:58,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 22:34:58,914 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 22:34:58,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 22:34:58,915 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 22:34:58,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 22:34:58,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 22:34:58,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 22:34:58,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:34:58,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 22:34:58,916 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 22:34:58,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 22:34:58,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 22:34:58,916 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 22:34:58,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 22:34:58,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 22:34:58,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 22:34:58,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 22:34:59,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 22:34:59,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 22:34:59,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 22:34:59,167 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 22:34:59,167 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 22:34:59,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label00.c [2023-03-31 22:35:00,271 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 22:35:01,720 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 22:35:01,720 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label00.c [2023-03-31 22:35:01,814 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af41d6b4d/98d02a06ff274cd0b1d3ab4f7ba4d101/FLAG01126822b [2023-03-31 22:35:01,825 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af41d6b4d/98d02a06ff274cd0b1d3ab4f7ba4d101 [2023-03-31 22:35:01,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 22:35:01,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 22:35:01,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 22:35:01,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 22:35:01,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 22:35:01,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:35:01" (1/1) ... [2023-03-31 22:35:01,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5141b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:01, skipping insertion in model container [2023-03-31 22:35:01,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:35:01" (1/1) ... [2023-03-31 22:35:01,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 22:35:02,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 22:35:09,988 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label00.c[2770205,2770218] [2023-03-31 22:35:10,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:35:10,056 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 22:35:14,438 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label00.c[2770205,2770218] [2023-03-31 22:35:14,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:35:15,440 INFO L208 MainTranslator]: Completed translation [2023-03-31 22:35:15,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15 WrapperNode [2023-03-31 22:35:15,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 22:35:15,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 22:35:15,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 22:35:15,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 22:35:15,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (1/1) ... [2023-03-31 22:35:15,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (1/1) ... [2023-03-31 22:35:16,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (1/1) ... [2023-03-31 22:35:16,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (1/1) ... [2023-03-31 22:35:18,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (1/1) ... [2023-03-31 22:35:18,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (1/1) ... [2023-03-31 22:35:18,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (1/1) ... [2023-03-31 22:35:18,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (1/1) ... [2023-03-31 22:35:19,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 22:35:19,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 22:35:19,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 22:35:19,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 22:35:19,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (1/1) ... [2023-03-31 22:35:19,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:35:19,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:35:19,178 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 22:35:19,179 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 22:35:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 22:35:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 22:35:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 22:35:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 22:35:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 22:35:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 22:35:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 22:35:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 22:35:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-31 22:35:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-31 22:35:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-31 22:35:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-31 22:35:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-31 22:35:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-31 22:35:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-31 22:35:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-31 22:35:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-31 22:35:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-31 22:35:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 22:35:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 22:35:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 22:35:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 22:35:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-31 22:35:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-31 22:35:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-31 22:35:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-31 22:35:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 22:35:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 22:35:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 22:35:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 22:35:19,344 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 22:35:19,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 22:35:51,591 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 22:35:52,664 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 22:35:52,664 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 22:35:52,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:35:52 BoogieIcfgContainer [2023-03-31 22:35:52,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 22:35:52,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 22:35:52,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 22:35:52,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 22:35:52,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 10:35:01" (1/3) ... [2023-03-31 22:35:52,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3d9c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:35:52, skipping insertion in model container [2023-03-31 22:35:52,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:35:15" (2/3) ... [2023-03-31 22:35:52,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3d9c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:35:52, skipping insertion in model container [2023-03-31 22:35:52,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:35:52" (3/3) ... [2023-03-31 22:35:52,686 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label00.c [2023-03-31 22:35:52,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 22:35:52,701 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 22:35:52,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 22:35:52,894 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;@1f03f937, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 22:35:52,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 22:35:52,930 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 22:35:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-03-31 22:35:53,741 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:35:53,748 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 22:35:53,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1298872607, now seen corresponding path program 1 times [2023-03-31 22:35:53,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:35:53,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731703055] [2023-03-31 22:35:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:35:53,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms