/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-programs/Problem101_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 23:53:38,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 23:53:38,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 23:53:38,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-30 23:53:38,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-30 23:53:38,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-30 23:53:38,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-30 23:53:38,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-30 23:53:38,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-30 23:53:38,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-30 23:53:38,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-30 23:53:38,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-30 23:53:38,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 23:53:38,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 23:53:38,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 23:53:38,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 23:53:38,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 23:53:38,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 23:53:38,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 23:53:38,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 23:53:38,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 23:53:38,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 23:53:38,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 23:53:38,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 23:53:38,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-30 23:53:38,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-30 23:53:38,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-30 23:53:38,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-30 23:53:38,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-30 23:53:38,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-30 23:53:38,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-30 23:53:38,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-30 23:53:38,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-30 23:53:38,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-30 23:53:38,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-30 23:53:38,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-30 23:53:38,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-30 23:53:38,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-30 23:53:38,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 23:53:38,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 23:53:38,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 23:53:38,805 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 23:53:38,828 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 23:53:38,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 23:53:38,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 23:53:38,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 23:53:38,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 23:53:38,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 23:53:38,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 23:53:38,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 23:53:38,830 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 23:53:38,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 23:53:38,831 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 23:53:38,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 23:53:38,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 23:53:38,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 23:53:38,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 23:53:38,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 23:53:38,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 23:53:38,832 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 23:53:38,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 23:53:38,832 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 23:53:38,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 23:53:38,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 23:53:38,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 23:53:38,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 23:53:38,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:53:38,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 23:53:38,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 23:53:38,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 23:53:38,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 23:53:38,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 23:53:38,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 23:53:38,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 23:53:38,834 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 23:53:38,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 23:53:38,834 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 23:53:38,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 23:53:39,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 23:53:39,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 23:53:39,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 23:53:39,039 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 23:53:39,040 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 23:53:39,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label09.c [2023-03-30 23:53:39,985 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 23:53:41,268 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 23:53:41,268 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label09.c [2023-03-30 23:53:41,364 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/407b42c8f/c5c3c28b6ed9475d98192d89b04ab002/FLAGe31186069 [2023-03-30 23:53:41,374 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/407b42c8f/c5c3c28b6ed9475d98192d89b04ab002 [2023-03-30 23:53:41,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 23:53:41,377 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 23:53:41,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 23:53:41,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 23:53:41,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 23:53:41,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:53:41" (1/1) ... [2023-03-30 23:53:41,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d497cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:41, skipping insertion in model container [2023-03-30 23:53:41,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:53:41" (1/1) ... [2023-03-30 23:53:41,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 23:53:41,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 23:53:48,607 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-programs/Problem101_label09.c[2769014,2769027] [2023-03-30 23:53:48,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:53:48,660 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 23:53:52,540 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-programs/Problem101_label09.c[2769014,2769027] [2023-03-30 23:53:52,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:53:53,376 INFO L208 MainTranslator]: Completed translation [2023-03-30 23:53:53,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53 WrapperNode [2023-03-30 23:53:53,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 23:53:53,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 23:53:53,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 23:53:53,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 23:53:53,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (1/1) ... [2023-03-30 23:53:53,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (1/1) ... [2023-03-30 23:53:54,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (1/1) ... [2023-03-30 23:53:54,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (1/1) ... [2023-03-30 23:53:55,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (1/1) ... [2023-03-30 23:53:56,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (1/1) ... [2023-03-30 23:53:56,139 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (1/1) ... [2023-03-30 23:53:56,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (1/1) ... [2023-03-30 23:53:56,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 23:53:56,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 23:53:56,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 23:53:56,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 23:53:56,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (1/1) ... [2023-03-30 23:53:56,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:53:56,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:53:56,701 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 23:53:56,703 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 23:53:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 23:53:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 23:53:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 23:53:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 23:53:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-30 23:53:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-30 23:53:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-30 23:53:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-30 23:53:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-30 23:53:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-30 23:53:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-30 23:53:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 23:53:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 23:53:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-30 23:53:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-30 23:53:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-30 23:53:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-30 23:53:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-30 23:53:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 23:53:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 23:53:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 23:53:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 23:53:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 23:53:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 23:53:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 23:53:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 23:53:56,860 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 23:53:56,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 23:54:25,930 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 23:54:25,971 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 23:54:25,972 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 23:54:25,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:54:25 BoogieIcfgContainer [2023-03-30 23:54:25,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 23:54:25,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 23:54:25,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 23:54:25,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 23:54:25,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 11:53:41" (1/3) ... [2023-03-30 23:54:25,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f57a311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:54:25, skipping insertion in model container [2023-03-30 23:54:25,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:53:53" (2/3) ... [2023-03-30 23:54:25,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f57a311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:54:25, skipping insertion in model container [2023-03-30 23:54:25,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:54:25" (3/3) ... [2023-03-30 23:54:25,986 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label09.c [2023-03-30 23:54:25,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 23:54:25,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 23:54:26,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 23:54:26,140 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;@4bb745c3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 23:54:26,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 23:54:26,168 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 23:54:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10198 [2023-03-30 23:54:27,085 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:54:27,089 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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[2023-03-30 23:54:27,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:54:27,103 INFO L85 PathProgramCache]: Analyzing trace with hash 682288343, now seen corresponding path program 1 times [2023-03-30 23:54:27,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:54:27,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787383215] [2023-03-30 23:54:27,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:54:27,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:54:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat