/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-programs/Problem101_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 00:13:34,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 00:13:34,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 00:13:34,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 00:13:34,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 00:13:34,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 00:13:34,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 00:13:34,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 00:13:34,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 00:13:34,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 00:13:34,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 00:13:34,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 00:13:34,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 00:13:34,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 00:13:34,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 00:13:34,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 00:13:34,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 00:13:34,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 00:13:34,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 00:13:34,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 00:13:34,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 00:13:34,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 00:13:34,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 00:13:34,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 00:13:34,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-02 00:13:34,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 00:13:34,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 00:13:34,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 00:13:34,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 00:13:34,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 00:13:34,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 00:13:34,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 00:13:34,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 00:13:34,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 00:13:34,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 00:13:34,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 00:13:34,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 00:13:34,804 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 00:13:34,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 00:13:34,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 00:13:34,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 00:13:34,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 00:13:34,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 00:13:34,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 00:13:34,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 00:13:34,807 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 00:13:34,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 00:13:34,808 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 00:13:34,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 00:13:34,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 00:13:34,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 00:13:34,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 00:13:34,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 00:13:34,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 00:13:34,809 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 00:13:34,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 00:13:34,809 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 00:13:34,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 00:13:34,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 00:13:34,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 00:13:34,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 00:13:34,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:13:34,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 00:13:34,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 00:13:34,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 00:13:34,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 00:13:34,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 00:13:34,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 00:13:34,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 00:13:34,811 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 00:13:34,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 00:13:34,811 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 00:13:34,811 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 00:13:35,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 00:13:35,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 00:13:35,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 00:13:35,038 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 00:13:35,038 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 00:13:35,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label16.c [2023-04-02 00:13:36,108 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 00:13:37,666 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 00:13:37,666 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label16.c [2023-04-02 00:13:37,775 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1a2a6d9/3a86f7c0f4384cd88e3f8c89733fd302/FLAGcf447a416 [2023-04-02 00:13:37,784 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1a2a6d9/3a86f7c0f4384cd88e3f8c89733fd302 [2023-04-02 00:13:37,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 00:13:37,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 00:13:37,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 00:13:37,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 00:13:37,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 00:13:37,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:13:37" (1/1) ... [2023-04-02 00:13:37,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744489f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:37, skipping insertion in model container [2023-04-02 00:13:37,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:13:37" (1/1) ... [2023-04-02 00:13:37,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 00:13:38,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 00:13:45,074 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label16.c[2767308,2767321] [2023-04-02 00:13:45,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:13:45,140 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 00:13:49,091 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label16.c[2767308,2767321] [2023-04-02 00:13:49,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:13:49,923 INFO L208 MainTranslator]: Completed translation [2023-04-02 00:13:49,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49 WrapperNode [2023-04-02 00:13:49,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 00:13:49,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 00:13:49,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 00:13:49,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 00:13:49,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (1/1) ... [2023-04-02 00:13:49,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (1/1) ... [2023-04-02 00:13:50,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (1/1) ... [2023-04-02 00:13:50,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (1/1) ... [2023-04-02 00:13:51,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (1/1) ... [2023-04-02 00:13:51,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (1/1) ... [2023-04-02 00:13:51,936 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (1/1) ... [2023-04-02 00:13:52,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (1/1) ... [2023-04-02 00:13:52,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 00:13:52,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 00:13:52,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 00:13:52,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 00:13:52,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (1/1) ... [2023-04-02 00:13:52,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:13:52,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 00:13:52,462 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) [2023-04-02 00:13:52,467 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 [2023-04-02 00:13:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 00:13:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 00:13:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 00:13:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-02 00:13:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-02 00:13:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-02 00:13:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-02 00:13:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-02 00:13:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-02 00:13:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 00:13:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-02 00:13:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-02 00:13:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-02 00:13:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-02 00:13:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-02 00:13:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-02 00:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-02 00:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-02 00:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-02 00:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-02 00:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-02 00:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-02 00:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-02 00:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-02 00:13:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-02 00:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-02 00:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-02 00:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-02 00:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-02 00:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-02 00:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-02 00:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-02 00:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-02 00:13:52,495 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-02 00:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-02 00:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-02 00:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-02 00:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-02 00:13:52,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 00:13:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 00:13:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 00:13:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 00:13:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 00:13:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 00:13:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 00:13:52,636 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 00:13:52,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 00:14:20,971 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 00:14:21,022 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 00:14:21,022 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 00:14:21,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:14:21 BoogieIcfgContainer [2023-04-02 00:14:21,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 00:14:21,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 00:14:21,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 00:14:21,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 00:14:21,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 12:13:37" (1/3) ... [2023-04-02 00:14:21,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689f096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:14:21, skipping insertion in model container [2023-04-02 00:14:21,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:13:49" (2/3) ... [2023-04-02 00:14:21,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689f096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:14:21, skipping insertion in model container [2023-04-02 00:14:21,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:14:21" (3/3) ... [2023-04-02 00:14:21,040 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label16.c [2023-04-02 00:14:21,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 00:14:21,052 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 00:14:21,186 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 00:14:21,191 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=PETRI_NET, 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;@896b21f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 00:14:21,191 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 00:14:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 10446 states, 10348 states have (on average 1.9803826826439892) internal successors, (20493), 10349 states have internal predecessors, (20493), 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) [2023-04-02 00:14:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10188 [2023-04-02 00:14:22,085 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:14:22,089 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:14:22,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:14:22,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:14:22,103 INFO L85 PathProgramCache]: Analyzing trace with hash -795509297, now seen corresponding path program 1 times [2023-04-02 00:14:22,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:14:22,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225313642] [2023-04-02 00:14:22,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:14:22,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:14:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:17:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:17:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:17:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:17:13,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:17:13,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225313642] [2023-04-02 00:17:13,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225313642] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:17:13,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:17:13,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 00:17:13,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424585516] [2023-04-02 00:17:13,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:17:13,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 00:17:13,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:17:13,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 00:17:13,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 00:17:13,927 INFO L87 Difference]: Start difference. First operand has 10446 states, 10348 states have (on average 1.9803826826439892) internal successors, (20493), 10349 states have internal predecessors, (20493), 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) Second operand has 4 states, 3 states have (on average 3379.3333333333335) internal successors, (10138), 2 states have internal predecessors, (10138), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)