/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_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:27:14,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:27:14,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:27:14,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:27:14,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:27:14,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:27:14,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:27:14,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:27:14,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:27:14,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:27:14,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:27:14,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:27:14,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:27:14,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:27:14,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:27:14,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:27:14,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:27:14,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:27:14,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:27:14,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:27:14,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:27:14,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:27:14,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:27:14,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:27:14,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:27:14,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:27:14,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:27:14,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:27:14,228 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 21:27:14,247 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:27:14,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:27:14,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:27:14,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:27:14,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:27:14,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:27:14,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:27:14,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:27:14,249 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:27:14,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:27:14,250 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:27:14,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:27:14,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:27:14,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:27:14,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:27:14,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:27:14,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:27:14,251 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:27:14,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:27:14,251 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:27:14,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:27:14,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:27:14,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:27:14,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:27:14,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:27:14,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:27:14,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:27:14,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:27:14,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:27:14,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:27:14,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:27:14,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:27:14,253 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:27:14,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:27:14,253 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:27:14,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:27:14,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:27:14,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:27:14,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:27:14,522 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:27:14,522 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:27:14,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label28.c [2023-04-01 21:27:15,668 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:27:17,170 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:27:17,170 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label28.c [2023-04-01 21:27:17,340 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13749236f/31747d8f6cf44f39975cc71ad71aae59/FLAG4789179cd [2023-04-01 21:27:17,355 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13749236f/31747d8f6cf44f39975cc71ad71aae59 [2023-04-01 21:27:17,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:27:17,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:27:17,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:27:17,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:27:17,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:27:17,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:27:17" (1/1) ... [2023-04-01 21:27:17,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d1960d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:17, skipping insertion in model container [2023-04-01 21:27:17,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:27:17" (1/1) ... [2023-04-01 21:27:17,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:27:18,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:27:25,593 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_label28.c[2773758,2773771] [2023-04-01 21:27:25,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:27:25,658 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:27:30,507 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_label28.c[2773758,2773771] [2023-04-01 21:27:30,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:27:31,353 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:27:31,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31 WrapperNode [2023-04-01 21:27:31,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:27:31,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:27:31,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:27:31,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:27:31,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (1/1) ... [2023-04-01 21:27:31,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (1/1) ... [2023-04-01 21:27:32,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (1/1) ... [2023-04-01 21:27:32,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (1/1) ... [2023-04-01 21:27:33,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (1/1) ... [2023-04-01 21:27:34,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (1/1) ... [2023-04-01 21:27:34,188 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (1/1) ... [2023-04-01 21:27:34,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (1/1) ... [2023-04-01 21:27:34,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:27:34,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:27:34,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:27:34,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:27:34,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (1/1) ... [2023-04-01 21:27:34,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:27:34,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:27:34,829 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 21:27:34,830 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 21:27:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:27:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:27:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:27:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:27:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:27:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:27:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:27:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:27:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:27:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:27:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:27:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:27:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:27:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:27:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:27:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:27:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:27:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:27:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:27:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:27:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:27:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:27:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:27:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:27:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:27:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:27:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:27:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:27:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:27:35,031 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:27:35,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:28:07,201 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:28:07,260 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:28:07,260 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:28:07,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:28:07 BoogieIcfgContainer [2023-04-01 21:28:07,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:28:07,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:28:07,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:28:07,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:28:07,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:27:17" (1/3) ... [2023-04-01 21:28:07,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c48bf67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:28:07, skipping insertion in model container [2023-04-01 21:28:07,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:27:31" (2/3) ... [2023-04-01 21:28:07,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c48bf67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:28:07, skipping insertion in model container [2023-04-01 21:28:07,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:28:07" (3/3) ... [2023-04-01 21:28:07,280 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label28.c [2023-04-01 21:28:07,297 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:28:07,297 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:28:07,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:28:07,592 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;@6737bb14, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:28:07,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:28:07,633 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 21:28:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10224 [2023-04-01 21:28:08,295 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:28:08,300 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 21:28:08,301 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:28:08,311 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:28:08,315 INFO L85 PathProgramCache]: Analyzing trace with hash 656228127, now seen corresponding path program 1 times [2023-04-01 21:28:08,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:28:08,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798136234] [2023-04-01 21:28:08,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:28:08,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:28:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:31:02,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:31:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:31:02,428 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 21:31:02,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:31:02,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798136234] [2023-04-01 21:31:02,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798136234] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:31:02,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:31:02,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 21:31:02,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417701011] [2023-04-01 21:31:02,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:31:02,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 21:31:02,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:31:02,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 21:31:02,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 21:31:02,627 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 5 states, 4 states have (on average 2543.5) internal successors, (10174), 3 states have internal predecessors, (10174), 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)