/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-rers2012/Problem07_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:23:16,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:23:16,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:23:16,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 21:23:16,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:23:16,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:23:16,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:23:16,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:23:16,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:23:16,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:23:16,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:23:16,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:23:16,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:23:16,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:23:16,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:23:16,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:23:16,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:23:16,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:23:16,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:23:16,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:23:16,567 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 [2023-04-01 21:23:16,592 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:23:16,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:23:16,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:23:16,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:23:16,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:23:16,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:23:16,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:23:16,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:23:16,594 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:23:16,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:23:16,594 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:23:16,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:23:16,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:23:16,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:23:16,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:23:16,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:23:16,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:23:16,595 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:23:16,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:23:16,595 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:23:16,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:23:16,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:23:16,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:23:16,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:23:16,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:23:16,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:23:16,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:23:16,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:23:16,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:23:16,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:23:16,600 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:23:16,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:23:16,601 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:23:16,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:23:16,601 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:23:16,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:23:16,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:23:16,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:23:16,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:23:16,857 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:23:16,858 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:23:16,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label15.c [2023-04-01 21:23:17,965 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:23:19,459 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:23:19,460 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label15.c [2023-04-01 21:23:19,595 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8afd067b/5229d6415b1e4c4db708db9e28fcdb2b/FLAGe977d722f [2023-04-01 21:23:19,607 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8afd067b/5229d6415b1e4c4db708db9e28fcdb2b [2023-04-01 21:23:19,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:23:19,611 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:23:19,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:23:19,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:23:19,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:23:19,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:23:19" (1/1) ... [2023-04-01 21:23:19,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77628a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:19, skipping insertion in model container [2023-04-01 21:23:19,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:23:19" (1/1) ... [2023-04-01 21:23:19,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:23:20,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:23:28,020 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_label15.c[2770861,2770874] [2023-04-01 21:23:28,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:23:28,091 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:23:32,944 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_label15.c[2770861,2770874] [2023-04-01 21:23:32,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:23:33,824 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:23:33,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33 WrapperNode [2023-04-01 21:23:33,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:23:33,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:23:33,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:23:33,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:23:33,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (1/1) ... [2023-04-01 21:23:33,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (1/1) ... [2023-04-01 21:23:34,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (1/1) ... [2023-04-01 21:23:34,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (1/1) ... [2023-04-01 21:23:36,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (1/1) ... [2023-04-01 21:23:36,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (1/1) ... [2023-04-01 21:23:36,930 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (1/1) ... [2023-04-01 21:23:37,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (1/1) ... [2023-04-01 21:23:37,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:23:37,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:23:37,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:23:37,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:23:37,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (1/1) ... [2023-04-01 21:23:37,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:23:37,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:23:37,734 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 21:23:37,743 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 21:23:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:23:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:23:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:23:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:23:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:23:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:23:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:23:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:23:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:23:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:23:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:23:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:23:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:23:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:23:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:23:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:23:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:23:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:23:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:23:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:23:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:23:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:23:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:23:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:23:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:23:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:23:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:23:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:23:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:23:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:23:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:23:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:23:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:23:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:23:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:23:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:23:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:23:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:23:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:23:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:23:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:23:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:23:37,982 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:23:37,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:24:09,649 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:24:09,712 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:24:09,713 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:24:09,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:24:09 BoogieIcfgContainer [2023-04-01 21:24:09,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:24:09,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:24:09,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:24:09,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:24:09,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:23:19" (1/3) ... [2023-04-01 21:24:09,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7539e720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:24:09, skipping insertion in model container [2023-04-01 21:24:09,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:23:33" (2/3) ... [2023-04-01 21:24:09,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7539e720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:24:09, skipping insertion in model container [2023-04-01 21:24:09,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:24:09" (3/3) ... [2023-04-01 21:24:09,731 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label15.c [2023-04-01 21:24:09,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:24:09,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:24:09,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:24:09,934 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;@2744e45a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:24:09,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:24:09,971 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) [2023-04-01 21:24:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10207 [2023-04-01 21:24:10,886 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:24:10,892 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 21:24:10,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:24:10,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:24:10,907 INFO L85 PathProgramCache]: Analyzing trace with hash 838472002, now seen corresponding path program 1 times [2023-04-01 21:24:10,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:24:10,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709910040] [2023-04-01 21:24:10,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:24:10,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:24:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:27:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:27:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:27:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 21:27:03,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:27:03,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709910040] [2023-04-01 21:27:03,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709910040] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:27:03,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:27:03,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 21:27:03,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104109069] [2023-04-01 21:27:03,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:27:03,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 21:27:03,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:27:03,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 21:27:03,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 21:27:03,808 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 3385.6666666666665) internal successors, (10157), 2 states have internal predecessors, (10157), 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)