/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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 23:02:58,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 23:02:58,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 23:02:58,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-30 23:02:58,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-30 23:02:58,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-30 23:02:58,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-30 23:02:58,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-30 23:02:58,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-30 23:02:58,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-30 23:02:58,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-30 23:02:58,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-30 23:02:58,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 23:02:58,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 23:02:58,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 23:02:58,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 23:02:58,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 23:02:58,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 23:02:58,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 23:02:58,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 23:02:58,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 23:02:58,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 23:02:58,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 23:02:58,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 23:02:58,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-30 23:02:58,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-30 23:02:58,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-30 23:02:58,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-30 23:02:58,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-30 23:02:58,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-30 23:02:58,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-30 23:02:58,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-30 23:02:58,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-30 23:02:58,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-30 23:02:58,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-30 23:02:58,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-30 23:02:58,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-30 23:02:58,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-30 23:02:58,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 23:02:58,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 23:02:58,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 23:02:58,107 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 23:02:58,142 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 23:02:58,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 23:02:58,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 23:02:58,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 23:02:58,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 23:02:58,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 23:02:58,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 23:02:58,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 23:02:58,145 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 23:02:58,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 23:02:58,146 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 23:02:58,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 23:02:58,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 23:02:58,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 23:02:58,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 23:02:58,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 23:02:58,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 23:02:58,146 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 23:02:58,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 23:02:58,147 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 23:02:58,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 23:02:58,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 23:02:58,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 23:02:58,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 23:02:58,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:02:58,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 23:02:58,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 23:02:58,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 23:02:58,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 23:02:58,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 23:02:58,149 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 23:02:58,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 23:02:58,149 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 23:02:58,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 23:02:58,149 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 23:02:58,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 23:02:58,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 23:02:58,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 23:02:58,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 23:02:58,413 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 23:02:58,414 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 23:02:58,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label39.c [2023-03-30 23:02:59,527 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 23:03:01,157 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 23:03:01,158 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label39.c [2023-03-30 23:03:01,252 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01dae45f0/a319b508897a4a5aa1539edc74faa246/FLAG1e39cc626 [2023-03-30 23:03:01,263 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01dae45f0/a319b508897a4a5aa1539edc74faa246 [2023-03-30 23:03:01,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 23:03:01,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 23:03:01,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 23:03:01,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 23:03:01,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 23:03:01,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:03:01" (1/1) ... [2023-03-30 23:03:01,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763b267a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:01, skipping insertion in model container [2023-03-30 23:03:01,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:03:01" (1/1) ... [2023-03-30 23:03:01,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 23:03:01,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 23:03:09,260 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_label39.c[2767623,2767636] [2023-03-30 23:03:09,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:03:09,327 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 23:03:13,685 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_label39.c[2767623,2767636] [2023-03-30 23:03:13,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:03:14,602 INFO L208 MainTranslator]: Completed translation [2023-03-30 23:03:14,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14 WrapperNode [2023-03-30 23:03:14,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 23:03:14,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 23:03:14,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 23:03:14,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 23:03:14,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (1/1) ... [2023-03-30 23:03:14,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (1/1) ... [2023-03-30 23:03:15,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (1/1) ... [2023-03-30 23:03:15,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (1/1) ... [2023-03-30 23:03:16,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (1/1) ... [2023-03-30 23:03:17,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (1/1) ... [2023-03-30 23:03:17,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (1/1) ... [2023-03-30 23:03:17,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (1/1) ... [2023-03-30 23:03:17,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 23:03:17,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 23:03:17,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 23:03:17,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 23:03:17,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (1/1) ... [2023-03-30 23:03:17,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:03:17,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:03:17,906 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 23:03:17,911 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 23:03:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 23:03:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 23:03:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 23:03:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 23:03:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-30 23:03:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-30 23:03:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-30 23:03:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-30 23:03:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-30 23:03:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-30 23:03:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-30 23:03:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-30 23:03:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-30 23:03:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-30 23:03:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-30 23:03:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-30 23:03:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-30 23:03:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-30 23:03:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-30 23:03:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-30 23:03:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-30 23:03:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-30 23:03:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-30 23:03:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-30 23:03:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-30 23:03:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-30 23:03:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-30 23:03:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-30 23:03:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-30 23:03:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-30 23:03:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-30 23:03:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-30 23:03:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-30 23:03:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-30 23:03:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-30 23:03:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-30 23:03:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-30 23:03:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-30 23:03:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-30 23:03:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-30 23:03:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-30 23:03:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-30 23:03:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-30 23:03:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-30 23:03:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-30 23:03:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-30 23:03:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-30 23:03:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-30 23:03:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-30 23:03:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 23:03:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 23:03:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-30 23:03:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-30 23:03:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-30 23:03:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-30 23:03:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-30 23:03:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-30 23:03:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-30 23:03:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-30 23:03:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-30 23:03:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-30 23:03:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-30 23:03:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-30 23:03:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-30 23:03:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-30 23:03:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-30 23:03:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-30 23:03:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-30 23:03:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-30 23:03:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-30 23:03:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-30 23:03:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-30 23:03:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-30 23:03:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-30 23:03:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-30 23:03:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-30 23:03:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-30 23:03:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-30 23:03:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-30 23:03:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-30 23:03:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-30 23:03:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-30 23:03:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-30 23:03:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-30 23:03:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-30 23:03:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-30 23:03:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-30 23:03:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-30 23:03:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-30 23:03:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-30 23:03:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-30 23:03:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-30 23:03:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-30 23:03:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-30 23:03:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-30 23:03:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-30 23:03:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 23:03:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 23:03:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 23:03:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 23:03:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 23:03:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 23:03:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 23:03:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 23:03:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 23:03:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 23:03:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 23:03:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 23:03:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 23:03:18,089 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 23:03:18,091 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 23:03:50,455 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 23:03:50,519 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 23:03:50,519 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 23:03:50,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:03:50 BoogieIcfgContainer [2023-03-30 23:03:50,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 23:03:50,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 23:03:50,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 23:03:50,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 23:03:50,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 11:03:01" (1/3) ... [2023-03-30 23:03:50,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1f0248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:03:50, skipping insertion in model container [2023-03-30 23:03:50,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:03:14" (2/3) ... [2023-03-30 23:03:50,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1f0248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:03:50, skipping insertion in model container [2023-03-30 23:03:50,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:03:50" (3/3) ... [2023-03-30 23:03:50,541 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label39.c [2023-03-30 23:03:50,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 23:03:50,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 23:03:50,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 23:03:50,761 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;@1cf1de82, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 23:03:50,764 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 23:03:50,802 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 23:03:51,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10188 [2023-03-30 23:03:51,679 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:03:51,685 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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PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:03:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash -795509297, now seen corresponding path program 1 times [2023-03-30 23:03:51,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:03:51,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962418398] [2023-03-30 23:03:51,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:03:51,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms