/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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 23:01:34,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 23:01:34,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 23:01:34,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-30 23:01:34,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-30 23:01:34,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-30 23:01:34,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-30 23:01:34,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-30 23:01:34,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-30 23:01:34,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-30 23:01:34,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-30 23:01:34,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-30 23:01:34,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 23:01:34,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 23:01:34,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 23:01:34,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 23:01:34,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 23:01:34,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 23:01:34,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 23:01:34,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 23:01:34,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 23:01:34,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 23:01:34,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 23:01:34,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 23:01:34,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-30 23:01:34,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-30 23:01:34,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-30 23:01:34,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-30 23:01:34,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-30 23:01:34,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-30 23:01:34,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-30 23:01:34,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-30 23:01:34,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-30 23:01:34,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 23:01:34,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 23:01:34,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 23:01:34,780 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 [2023-03-30 23:01:34,795 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 23:01:34,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 23:01:34,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 23:01:34,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 23:01:34,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 23:01:34,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 23:01:34,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 23:01:34,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 23:01:34,797 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 23:01:34,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 23:01:34,797 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 23:01:34,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 23:01:34,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 23:01:34,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 23:01:34,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 23:01:34,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 23:01:34,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 23:01:34,798 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 23:01:34,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 23:01:34,798 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 23:01:34,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 23:01:34,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 23:01:34,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 23:01:34,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 23:01:34,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:01:34,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 23:01:34,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 23:01:34,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 23:01:34,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 23:01:34,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 23:01:34,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 23:01:34,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 23:01:34,800 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 23:01:34,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 23:01:34,800 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 23:01:34,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 23:01:34,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 23:01:34,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 23:01:34,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 23:01:34,997 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 23:01:34,998 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 23:01:34,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label21.c [2023-03-30 23:01:35,970 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 23:01:37,236 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 23:01:37,237 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label21.c [2023-03-30 23:01:37,364 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f477e0bb4/e20097e7057947e3bca0d5880e6ecb15/FLAG512a99d83 [2023-03-30 23:01:37,588 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f477e0bb4/e20097e7057947e3bca0d5880e6ecb15 [2023-03-30 23:01:37,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 23:01:37,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 23:01:37,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 23:01:37,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 23:01:37,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 23:01:37,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:01:37" (1/1) ... [2023-03-30 23:01:37,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc766bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:37, skipping insertion in model container [2023-03-30 23:01:37,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:01:37" (1/1) ... [2023-03-30 23:01:37,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 23:01:38,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 23:01:45,269 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_label21.c[2772223,2772236] [2023-03-30 23:01:45,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:01:45,320 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 23:01:49,128 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_label21.c[2772223,2772236] [2023-03-30 23:01:49,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:01:49,949 INFO L208 MainTranslator]: Completed translation [2023-03-30 23:01:49,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49 WrapperNode [2023-03-30 23:01:49,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 23:01:49,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 23:01:49,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 23:01:49,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 23:01:49,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (1/1) ... [2023-03-30 23:01:49,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (1/1) ... [2023-03-30 23:01:50,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (1/1) ... [2023-03-30 23:01:50,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (1/1) ... [2023-03-30 23:01:52,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (1/1) ... [2023-03-30 23:01:52,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (1/1) ... [2023-03-30 23:01:52,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (1/1) ... [2023-03-30 23:01:52,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (1/1) ... [2023-03-30 23:01:53,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 23:01:53,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 23:01:53,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 23:01:53,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 23:01:53,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (1/1) ... [2023-03-30 23:01:53,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:01:53,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:01:53,141 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) [2023-03-30 23:01:53,157 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 [2023-03-30 23:01:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 23:01:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-30 23:01:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-30 23:01:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-30 23:01:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-30 23:01:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 23:01:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 23:01:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-30 23:01:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-30 23:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-30 23:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-30 23:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 23:01:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 23:01:53,317 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 23:01:53,333 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 23:02:22,675 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 23:02:22,731 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 23:02:22,732 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 23:02:22,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:02:22 BoogieIcfgContainer [2023-03-30 23:02:22,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 23:02:22,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 23:02:22,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 23:02:22,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 23:02:22,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 11:01:37" (1/3) ... [2023-03-30 23:02:22,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519f1cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:02:22, skipping insertion in model container [2023-03-30 23:02:22,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:49" (2/3) ... [2023-03-30 23:02:22,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519f1cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:02:22, skipping insertion in model container [2023-03-30 23:02:22,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:02:22" (3/3) ... [2023-03-30 23:02:22,747 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label21.c [2023-03-30 23:02:22,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 23:02:22,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 23:02:22,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 23:02:22,919 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;@69cb510d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 23:02:22,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 23:02:22,957 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) [2023-03-30 23:02:23,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10215 [2023-03-30 23:02:23,712 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:02:23,722 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] [2023-03-30 23:02:23,725 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:02:23,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:02:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash 29208546, now seen corresponding path program 1 times [2023-03-30 23:02:23,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:02:23,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087407203] [2023-03-30 23:02:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:02:23,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:02:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat