/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 EqDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 09:43:50,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 09:43:50,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 09:43:50,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 09:43:50,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 09:43:50,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 09:43:50,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 09:43:50,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 09:43:50,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 09:43:50,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 09:43:50,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 09:43:50,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 09:43:50,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 09:43:50,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 09:43:50,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 09:43:50,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 09:43:50,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 09:43:50,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 09:43:50,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 09:43:50,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 09:43:50,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 09:43:50,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 09:43:50,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 09:43:50,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 09:43:50,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 09:43:50,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 09:43:50,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 09:43:50,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 09:43:50,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 09:43:50,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 09:43:50,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 09:43:50,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 09:43:50,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 09:43:50,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 09:43:50,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 09:43:50,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 09:43:50,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 09:43:50,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 09:43:50,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 09:43:50,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 09:43:50,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 09:43:50,571 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 [2023-04-01 09:43:50,590 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 09:43:50,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 09:43:50,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 09:43:50,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 09:43:50,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 09:43:50,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 09:43:50,592 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 09:43:50,592 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 09:43:50,592 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 09:43:50,592 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 09:43:50,593 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 09:43:50,593 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 09:43:50,593 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 09:43:50,593 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 09:43:50,593 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 09:43:50,593 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 09:43:50,593 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 09:43:50,593 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 09:43:50,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 09:43:50,594 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 09:43:50,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 09:43:50,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 09:43:50,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 09:43:50,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 09:43:50,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 09:43:50,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 09:43:50,595 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 09:43:50,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 09:43:50,596 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 09:43:50,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 09:43:50,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 09:43:50,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 09:43:50,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:43:50,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 09:43:50,597 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 09:43:50,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 09:43:50,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 09:43:50,597 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 09:43:50,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 09:43:50,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 09:43:50,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 09:43:50,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 09:43:50,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 09:43:50,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 09:43:50,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 09:43:50,825 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 09:43:50,826 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 09:43:50,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label54.c [2023-04-01 09:43:51,789 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 09:43:53,153 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 09:43:53,154 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label54.c [2023-04-01 09:43:53,315 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164a6e409/a731006776ba4b53bc54efe15d43f896/FLAGca3a6b24e [2023-04-01 09:43:53,325 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164a6e409/a731006776ba4b53bc54efe15d43f896 [2023-04-01 09:43:53,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 09:43:53,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 09:43:53,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 09:43:53,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 09:43:53,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 09:43:53,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:43:53" (1/1) ... [2023-04-01 09:43:53,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233b158b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:43:53, skipping insertion in model container [2023-04-01 09:43:53,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:43:53" (1/1) ... [2023-04-01 09:43:53,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 09:43:54,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 09:44:00,963 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_label54.c[2775294,2775307] [2023-04-01 09:44:01,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:44:01,013 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 09:44:04,839 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_label54.c[2775294,2775307] [2023-04-01 09:44:04,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:44:05,666 INFO L208 MainTranslator]: Completed translation [2023-04-01 09:44:05,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05 WrapperNode [2023-04-01 09:44:05,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 09:44:05,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 09:44:05,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 09:44:05,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 09:44:05,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (1/1) ... [2023-04-01 09:44:05,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (1/1) ... [2023-04-01 09:44:06,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (1/1) ... [2023-04-01 09:44:06,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (1/1) ... [2023-04-01 09:44:07,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (1/1) ... [2023-04-01 09:44:08,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (1/1) ... [2023-04-01 09:44:08,237 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (1/1) ... [2023-04-01 09:44:08,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (1/1) ... [2023-04-01 09:44:08,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 09:44:08,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 09:44:08,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 09:44:08,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 09:44:08,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (1/1) ... [2023-04-01 09:44:08,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:44:08,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 09:44:08,924 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) [2023-04-01 09:44:08,927 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 [2023-04-01 09:44:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 09:44:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 09:44:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 09:44:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 09:44:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 09:44:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 09:44:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 09:44:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 09:44:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 09:44:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 09:44:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 09:44:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 09:44:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 09:44:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 09:44:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 09:44:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 09:44:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 09:44:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 09:44:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 09:44:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 09:44:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 09:44:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 09:44:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 09:44:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 09:44:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 09:44:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 09:44:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 09:44:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 09:44:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 09:44:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 09:44:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 09:44:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 09:44:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 09:44:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 09:44:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 09:44:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 09:44:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 09:44:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 09:44:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 09:44:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 09:44:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 09:44:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 09:44:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 09:44:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 09:44:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 09:44:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 09:44:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 09:44:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 09:44:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 09:44:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 09:44:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 09:44:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 09:44:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 09:44:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 09:44:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 09:44:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 09:44:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 09:44:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 09:44:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 09:44:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 09:44:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 09:44:09,082 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 09:44:09,094 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 09:44:38,139 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 09:44:38,960 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 09:44:38,961 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 09:44:38,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:44:38 BoogieIcfgContainer [2023-04-01 09:44:38,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 09:44:38,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 09:44:38,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 09:44:38,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 09:44:38,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:43:53" (1/3) ... [2023-04-01 09:44:38,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a89fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:44:38, skipping insertion in model container [2023-04-01 09:44:38,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:05" (2/3) ... [2023-04-01 09:44:38,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a89fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:44:38, skipping insertion in model container [2023-04-01 09:44:38,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:44:38" (3/3) ... [2023-04-01 09:44:38,974 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label54.c [2023-04-01 09:44:38,990 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 09:44:38,991 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 09:44:39,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 09:44:39,133 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;@2ba176c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 09:44:39,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 09:44:39,164 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) [2023-04-01 09:44:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 09:44:39,787 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 09:44:39,792 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 [2023-04-01 09:44:39,800 INFO L85 PathProgramCache]: Analyzing trace with hash -742661196, now seen corresponding path program 1 times [2023-04-01 09:44:39,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 09:44:39,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697613330] [2023-04-01 09:44:39,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 09:44:39,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 09:44:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat