/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_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 21:38:44,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 21:38:44,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 21:38:44,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 21:38:44,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 21:38:44,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 21:38:44,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 21:38:44,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 21:38:44,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 21:38:44,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 21:38:44,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 21:38:44,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 21:38:44,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 21:38:44,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 21:38:44,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 21:38:44,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 21:38:44,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 21:38:44,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 21:38:44,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 21:38:44,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 21:38:44,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 21:38:44,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 21:38:44,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 21:38:44,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 21:38:44,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 21:38:44,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 21:38:44,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 21:38:44,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 21:38:44,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 21:38:44,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 21:38:44,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 21:38:44,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 21:38:44,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 21:38:44,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 21:38:44,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 21:38:44,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 21:38:44,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 21:38:44,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 21:38:44,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 21:38:44,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 21:38:44,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 21:38:44,934 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 21:38:44,956 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 21:38:44,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 21:38:44,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 21:38:44,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 21:38:44,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 21:38:44,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 21:38:44,957 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 21:38:44,957 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 21:38:44,957 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 21:38:44,957 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 21:38:44,958 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 21:38:44,958 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 21:38:44,958 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 21:38:44,958 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 21:38:44,958 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 21:38:44,958 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 21:38:44,958 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 21:38:44,958 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 21:38:44,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 21:38:44,959 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 21:38:44,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 21:38:44,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 21:38:44,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 21:38:44,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 21:38:44,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 21:38:44,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 21:38:44,960 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 21:38:44,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 21:38:44,960 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 21:38:44,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 21:38:44,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 21:38:44,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 21:38:44,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:38:44,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 21:38:44,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 21:38:44,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 21:38:44,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 21:38:44,961 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 21:38:44,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 21:38:44,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 21:38:44,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 21:38:44,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 21:38:45,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 21:38:45,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 21:38:45,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 21:38:45,165 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 21:38:45,166 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 21:38:45,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label55.c [2023-03-31 21:38:46,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 21:38:47,374 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 21:38:47,375 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label55.c [2023-03-31 21:38:47,485 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5252baa5e/0768fb19777e444ebe482812a8545161/FLAG56b95e712 [2023-03-31 21:38:47,495 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5252baa5e/0768fb19777e444ebe482812a8545161 [2023-03-31 21:38:47,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 21:38:47,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 21:38:47,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 21:38:47,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 21:38:47,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 21:38:47,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:38:47" (1/1) ... [2023-03-31 21:38:47,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2e81f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:47, skipping insertion in model container [2023-03-31 21:38:47,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:38:47" (1/1) ... [2023-03-31 21:38:47,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 21:38:48,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 21:38:54,882 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_label55.c[2773417,2773430] [2023-03-31 21:38:54,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:38:54,932 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 21:38:58,878 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_label55.c[2773417,2773430] [2023-03-31 21:38:58,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:38:59,394 INFO L208 MainTranslator]: Completed translation [2023-03-31 21:38:59,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59 WrapperNode [2023-03-31 21:38:59,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 21:38:59,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 21:38:59,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 21:38:59,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 21:38:59,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (1/1) ... [2023-03-31 21:38:59,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (1/1) ... [2023-03-31 21:39:00,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (1/1) ... [2023-03-31 21:39:00,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (1/1) ... [2023-03-31 21:39:01,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (1/1) ... [2023-03-31 21:39:01,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (1/1) ... [2023-03-31 21:39:01,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (1/1) ... [2023-03-31 21:39:01,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (1/1) ... [2023-03-31 21:39:02,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 21:39:02,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 21:39:02,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 21:39:02,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 21:39:02,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (1/1) ... [2023-03-31 21:39:02,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:39:02,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 21:39:02,129 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 21:39:02,131 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 21:39:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 21:39:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 21:39:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 21:39:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-31 21:39:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-31 21:39:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-31 21:39:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-31 21:39:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-31 21:39:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-31 21:39:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-31 21:39:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-31 21:39:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-31 21:39:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-31 21:39:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-31 21:39:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-31 21:39:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-31 21:39:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 21:39:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 21:39:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 21:39:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 21:39:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 21:39:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 21:39:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 21:39:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 21:39:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 21:39:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-31 21:39:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-31 21:39:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-31 21:39:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-31 21:39:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-31 21:39:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-31 21:39:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-31 21:39:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-31 21:39:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-31 21:39:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-31 21:39:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-31 21:39:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 21:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 21:39:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 21:39:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 21:39:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 21:39:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 21:39:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 21:39:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 21:39:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 21:39:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 21:39:02,283 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 21:39:02,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 21:39:31,195 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 21:39:32,022 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 21:39:32,022 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 21:39:32,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:39:32 BoogieIcfgContainer [2023-03-31 21:39:32,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 21:39:32,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 21:39:32,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 21:39:32,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 21:39:32,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 09:38:47" (1/3) ... [2023-03-31 21:39:32,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3eebde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:39:32, skipping insertion in model container [2023-03-31 21:39:32,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:59" (2/3) ... [2023-03-31 21:39:32,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3eebde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:39:32, skipping insertion in model container [2023-03-31 21:39:32,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:39:32" (3/3) ... [2023-03-31 21:39:32,035 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label55.c [2023-03-31 21:39:32,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 21:39:32,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 21:39:32,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 21:39:32,163 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;@7065172d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 21:39:32,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 21:39:32,186 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 21:39:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-03-31 21:39:32,901 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:39:32,906 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 21:39:32,913 INFO L85 PathProgramCache]: Analyzing trace with hash 536076562, now seen corresponding path program 1 times [2023-03-31 21:39:32,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:39:32,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799214849] [2023-03-31 21:39:32,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:39:32,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 21:39:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat