/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 OctagonDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:40:05,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:40:05,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:40:05,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:40:05,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:40:05,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:40:05,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:40:05,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:40:05,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:40:05,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:40:05,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:40:05,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:40:05,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:40:05,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:40:05,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:40:05,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:40:05,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:40:05,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:40:05,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:40:05,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:40:05,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:40:05,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:40:05,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:40:05,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:40:05,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:40:05,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:40:05,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:40:05,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:40:05,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:40:05,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:40:05,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:40:05,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:40:05,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:40:05,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:40:05,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:40:05,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:40:05,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:40:05,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:40:05,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:40:05,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:40:05,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:40:05,080 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 03:40:05,103 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:40:05,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:40:05,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:40:05,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:40:05,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:40:05,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:40:05,104 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:40:05,104 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:40:05,104 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:40:05,105 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:40:05,105 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:40:05,105 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:40:05,105 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:40:05,105 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:40:05,105 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:40:05,105 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:40:05,105 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:40:05,105 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:40:05,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:40:05,106 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:40:05,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:40:05,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:40:05,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:40:05,108 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:40:05,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:40:05,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:40:05,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:40:05,280 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:40:05,280 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:40:05,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label40.c [2023-04-01 03:40:06,320 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:40:07,501 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:40:07,502 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label40.c [2023-04-01 03:40:07,605 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a81308343/fc32c869d0ac422ca515c2823d728877/FLAG9445b4757 [2023-04-01 03:40:07,617 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a81308343/fc32c869d0ac422ca515c2823d728877 [2023-04-01 03:40:07,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:40:07,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:40:07,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:40:07,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:40:07,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:40:07,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:40:07" (1/1) ... [2023-04-01 03:40:07,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2eefcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:07, skipping insertion in model container [2023-04-01 03:40:07,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:40:07" (1/1) ... [2023-04-01 03:40:07,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:40:08,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:40:14,693 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_label40.c[2767965,2767978] [2023-04-01 03:40:14,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:40:14,759 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:40:18,720 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_label40.c[2767965,2767978] [2023-04-01 03:40:18,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:40:19,488 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:40:19,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19 WrapperNode [2023-04-01 03:40:19,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:40:19,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:40:19,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:40:19,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:40:19,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (1/1) ... [2023-04-01 03:40:19,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (1/1) ... [2023-04-01 03:40:20,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (1/1) ... [2023-04-01 03:40:20,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (1/1) ... [2023-04-01 03:40:21,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (1/1) ... [2023-04-01 03:40:21,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (1/1) ... [2023-04-01 03:40:21,584 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (1/1) ... [2023-04-01 03:40:21,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (1/1) ... [2023-04-01 03:40:22,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:40:22,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:40:22,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:40:22,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:40:22,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (1/1) ... [2023-04-01 03:40:22,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:40:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:40:22,042 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 03:40:22,050 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 03:40:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:40:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:40:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:40:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 03:40:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 03:40:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 03:40:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 03:40:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 03:40:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 03:40:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 03:40:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 03:40:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 03:40:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 03:40:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 03:40:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 03:40:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 03:40:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 03:40:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 03:40:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 03:40:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 03:40:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 03:40:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 03:40:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 03:40:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:40:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 03:40:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 03:40:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 03:40:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 03:40:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 03:40:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 03:40:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 03:40:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 03:40:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 03:40:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 03:40:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:40:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:40:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:40:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:40:22,242 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:40:22,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:40:51,163 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:40:52,052 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:40:52,052 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 03:40:52,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:40:52 BoogieIcfgContainer [2023-04-01 03:40:52,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:40:52,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:40:52,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:40:52,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:40:52,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:40:07" (1/3) ... [2023-04-01 03:40:52,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9742ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:40:52, skipping insertion in model container [2023-04-01 03:40:52,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:40:19" (2/3) ... [2023-04-01 03:40:52,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9742ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:40:52, skipping insertion in model container [2023-04-01 03:40:52,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:40:52" (3/3) ... [2023-04-01 03:40:52,068 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label40.c [2023-04-01 03:40:52,080 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:40:52,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:40:52,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:40:52,274 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;@740842dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:40:52,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:40:52,305 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 03:40:52,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 03:40:52,994 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:40:53,000 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 03:40:53,008 INFO L85 PathProgramCache]: Analyzing trace with hash -742692385, now seen corresponding path program 1 times [2023-04-01 03:40:53,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:40:53,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561736871] [2023-04-01 03:40:53,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:40:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:40:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat