/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_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:20:37,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:20:37,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:20:37,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:20:37,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:20:37,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:20:37,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:20:37,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:20:37,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:20:37,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:20:37,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:20:37,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:20:37,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:20:37,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:20:37,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:20:37,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:20:37,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:20:37,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:20:37,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:20:37,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:20:37,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:20:37,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:20:37,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:20:37,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:20:37,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:20:37,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 21:20:37,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 21:20:37,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 21:20:37,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 21:20:37,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 21:20:37,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 21:20:37,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 21:20:37,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 21:20:37,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:20:37,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:20:37,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:20:37,298 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 21:20:37,324 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:20:37,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:20:37,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:20:37,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:20:37,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:20:37,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:20:37,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:20:37,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:20:37,326 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:20:37,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:20:37,327 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:20:37,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:20:37,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:20:37,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:20:37,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:20:37,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:20:37,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:20:37,328 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:20:37,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:20:37,328 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:20:37,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:20:37,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:20:37,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:20:37,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:20:37,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:20:37,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:20:37,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:20:37,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:20:37,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:20:37,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:20:37,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:20:37,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:20:37,330 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:20:37,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:20:37,330 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:20:37,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:20:37,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:20:37,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:20:37,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:20:37,539 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:20:37,540 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:20:37,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label07.c [2023-04-01 21:20:38,578 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:20:39,963 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:20:39,964 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label07.c [2023-04-01 21:20:40,060 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94d533ca1/b337bb965db14d109d19fbed308262d5/FLAG6c44206eb [2023-04-01 21:20:40,072 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94d533ca1/b337bb965db14d109d19fbed308262d5 [2023-04-01 21:20:40,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:20:40,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:20:40,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:20:40,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:20:40,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:20:40,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:20:40" (1/1) ... [2023-04-01 21:20:40,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74373beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:40, skipping insertion in model container [2023-04-01 21:20:40,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:20:40" (1/1) ... [2023-04-01 21:20:40,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:20:40,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:20:48,126 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_label07.c[2768816,2768829] [2023-04-01 21:20:48,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:20:48,193 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:20:52,656 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_label07.c[2768816,2768829] [2023-04-01 21:20:52,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:20:53,542 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:20:53,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53 WrapperNode [2023-04-01 21:20:53,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:20:53,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:20:53,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:20:53,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:20:53,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (1/1) ... [2023-04-01 21:20:53,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (1/1) ... [2023-04-01 21:20:54,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (1/1) ... [2023-04-01 21:20:54,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (1/1) ... [2023-04-01 21:20:56,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (1/1) ... [2023-04-01 21:20:56,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (1/1) ... [2023-04-01 21:20:56,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (1/1) ... [2023-04-01 21:20:57,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (1/1) ... [2023-04-01 21:20:57,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:20:57,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:20:57,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:20:57,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:20:57,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (1/1) ... [2023-04-01 21:20:57,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:20:57,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:20:57,734 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 21:20:57,740 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 21:20:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:20:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:20:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:20:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:20:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:20:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:20:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:20:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:20:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:20:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:20:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:20:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:20:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:20:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:20:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:20:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:20:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:20:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:20:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:20:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:20:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:20:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:20:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:20:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:20:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:20:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:20:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:20:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:20:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:20:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:20:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:20:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:20:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:20:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:20:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:20:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:20:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:20:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:20:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:20:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:20:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:20:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:20:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:20:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:20:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:20:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:20:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:20:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:20:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:20:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:20:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:20:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:20:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:20:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:20:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:20:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:20:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:20:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:20:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:20:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:20:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:20:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:20:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:20:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:20:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:20:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:20:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:20:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:20:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:20:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:20:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:20:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:20:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:20:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:20:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:20:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:20:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:20:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:20:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:20:57,934 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:20:57,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:21:29,688 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:21:29,752 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:21:29,752 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:21:29,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:21:29 BoogieIcfgContainer [2023-04-01 21:21:29,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:21:29,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:21:29,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:21:29,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:21:29,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:20:40" (1/3) ... [2023-04-01 21:21:29,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f8f929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:21:29, skipping insertion in model container [2023-04-01 21:21:29,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:53" (2/3) ... [2023-04-01 21:21:29,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f8f929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:21:29, skipping insertion in model container [2023-04-01 21:21:29,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:21:29" (3/3) ... [2023-04-01 21:21:29,774 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label07.c [2023-04-01 21:21:29,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:21:29,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:21:30,014 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:21:30,021 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;@395f31f7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:21:30,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:21:30,072 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 21:21:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10195 [2023-04-01 21:21:30,882 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:21:30,887 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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21:21:30,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:21:30,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1491848366, now seen corresponding path program 1 times [2023-04-01 21:21:30,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:21:30,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94963074] [2023-04-01 21:21:30,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:21:30,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:21:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat