/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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:21:13,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:21:13,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:21:13,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:21:13,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:21:13,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:21:13,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:21:13,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:21:13,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:21:13,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:21:14,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:21:14,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:21:14,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:21:14,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:21:14,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:21:14,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:21:14,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:21:14,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:21:14,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:21:14,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:21:14,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:21:14,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:21:14,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:21:14,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:21:14,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:21:14,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:21:14,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:21:14,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:21:14,027 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 21:21:14,047 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:21:14,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:21:14,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:21:14,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:21:14,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:21:14,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:21:14,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:21:14,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:21:14,049 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:21:14,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:21:14,050 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:21:14,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:21:14,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:21:14,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:21:14,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:21:14,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:21:14,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:21:14,050 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:21:14,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:21:14,051 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:21:14,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:21:14,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:21:14,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:21:14,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:21:14,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:21:14,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:21:14,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:21:14,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:21:14,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:21:14,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:21:14,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:21:14,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:21:14,052 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:21:14,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:21:14,052 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:21:14,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:21:14,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:21:14,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:21:14,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:21:14,238 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:21:14,238 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:21:14,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label11.c [2023-04-01 21:21:15,089 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:21:16,313 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:21:16,314 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label11.c [2023-04-01 21:21:16,412 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c364e885/4399f655f1ae49b7a7b46381b9225ff0/FLAGa11243bf5 [2023-04-01 21:21:16,420 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c364e885/4399f655f1ae49b7a7b46381b9225ff0 [2023-04-01 21:21:16,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:21:16,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:21:16,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:21:16,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:21:16,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:21:16,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:21:16" (1/1) ... [2023-04-01 21:21:16,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7c819e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:16, skipping insertion in model container [2023-04-01 21:21:16,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:21:16" (1/1) ... [2023-04-01 21:21:16,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:21:16,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:21:23,534 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_label11.c[2769159,2769172] [2023-04-01 21:21:23,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:21:23,586 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:21:27,451 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_label11.c[2769159,2769172] [2023-04-01 21:21:27,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:21:27,915 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:21:27,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27 WrapperNode [2023-04-01 21:21:27,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:21:27,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:21:27,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:21:27,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:21:27,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (1/1) ... [2023-04-01 21:21:27,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (1/1) ... [2023-04-01 21:21:28,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (1/1) ... [2023-04-01 21:21:28,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (1/1) ... [2023-04-01 21:21:30,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (1/1) ... [2023-04-01 21:21:30,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (1/1) ... [2023-04-01 21:21:30,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (1/1) ... [2023-04-01 21:21:30,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (1/1) ... [2023-04-01 21:21:31,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:21:31,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:21:31,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:21:31,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:21:31,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (1/1) ... [2023-04-01 21:21:31,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:21:31,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:21:31,517 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 21:21:31,523 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 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:21:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:21:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:21:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:21:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:21:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:21:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:21:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:21:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:21:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:21:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:21:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:21:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:21:31,744 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:21:31,746 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:22:00,381 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:22:00,446 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:22:00,447 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:22:00,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:22:00 BoogieIcfgContainer [2023-04-01 21:22:00,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:22:00,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:22:00,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:22:00,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:22:00,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:21:16" (1/3) ... [2023-04-01 21:22:00,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4894ad25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:22:00, skipping insertion in model container [2023-04-01 21:22:00,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:27" (2/3) ... [2023-04-01 21:22:00,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4894ad25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:22:00, skipping insertion in model container [2023-04-01 21:22:00,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:22:00" (3/3) ... [2023-04-01 21:22:00,476 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label11.c [2023-04-01 21:22:00,487 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:22:00,487 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:22:00,626 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:22:00,632 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;@3ef9cccd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:22:00,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:22:00,666 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 21:22:01,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10197 [2023-04-01 21:22:01,299 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:22:01,304 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] [2023-04-01 21:22:01,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:22:01,309 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:22:01,312 INFO L85 PathProgramCache]: Analyzing trace with hash 853292794, now seen corresponding path program 1 times [2023-04-01 21:22:01,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:22:01,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110502749] [2023-04-01 21:22:01,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:22:01,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:22:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:24:51,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:24:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:24:51,347 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 21:24:51,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:24:51,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110502749] [2023-04-01 21:24:51,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110502749] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:24:51,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:24:51,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 21:24:51,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621194589] [2023-04-01 21:24:51,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:24:51,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 21:24:51,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:24:51,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 21:24:51,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 21:24:51,499 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 3382.3333333333335) internal successors, (10147), 2 states have internal predecessors, (10147), 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)