/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_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:34:16,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:34:16,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:34:16,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:34:16,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:34:16,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:34:16,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:34:16,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:34:16,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:34:16,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:34:16,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:34:16,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:34:16,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:34:16,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:34:16,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:34:16,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:34:16,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:34:16,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:34:16,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:34:16,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:34:16,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:34:16,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:34:16,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:34:16,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:34:16,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:34:16,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:34:16,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:34:16,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:34:16,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 21:34:16,953 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:34:16,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:34:16,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:34:16,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:34:16,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:34:16,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:34:16,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:34:16,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:34:16,955 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:34:16,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:34:16,956 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:34:16,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:34:16,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:34:16,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:34:16,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:34:16,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:34:16,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:34:16,957 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:34:16,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:34:16,957 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:34:16,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:34:16,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:34:16,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:34:16,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:34:16,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:34:16,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:34:16,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:34:16,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:34:16,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:34:16,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:34:16,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:34:16,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:34:16,959 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:34:16,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:34:16,959 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:34:16,959 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:34:17,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:34:17,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:34:17,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:34:17,131 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:34:17,131 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:34:17,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label55.c [2023-04-01 21:34:18,085 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:34:19,184 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:34:19,185 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label55.c [2023-04-01 21:34:19,300 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ca97cfcb/4ee80d7f214e4166953de51943023abf/FLAG5ea15912a [2023-04-01 21:34:19,309 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ca97cfcb/4ee80d7f214e4166953de51943023abf [2023-04-01 21:34:19,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:34:19,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:34:19,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:34:19,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:34:19,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:34:19,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:34:19" (1/1) ... [2023-04-01 21:34:19,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a676474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:19, skipping insertion in model container [2023-04-01 21:34:19,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:34:19" (1/1) ... [2023-04-01 21:34:19,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:34:19,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:34:26,362 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_label55.c[2773417,2773430] [2023-04-01 21:34:26,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:34:26,427 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:34:30,269 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_label55.c[2773417,2773430] [2023-04-01 21:34:30,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:34:30,811 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:34:30,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30 WrapperNode [2023-04-01 21:34:30,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:34:30,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:34:30,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:34:30,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:34:30,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (1/1) ... [2023-04-01 21:34:30,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (1/1) ... [2023-04-01 21:34:31,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (1/1) ... [2023-04-01 21:34:31,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (1/1) ... [2023-04-01 21:34:32,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (1/1) ... [2023-04-01 21:34:32,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (1/1) ... [2023-04-01 21:34:32,909 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (1/1) ... [2023-04-01 21:34:32,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (1/1) ... [2023-04-01 21:34:33,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:34:33,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:34:33,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:34:33,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:34:33,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (1/1) ... [2023-04-01 21:34:33,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:34:33,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:34:33,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 21:34:33,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 21:34:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:34:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:34:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:34:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:34:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:34:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:34:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:34:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:34:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:34:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:34:33,671 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:34:33,673 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:35:01,267 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:35:01,343 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:35:01,343 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:35:01,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:35:01 BoogieIcfgContainer [2023-04-01 21:35:01,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:35:01,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:35:01,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:35:01,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:35:01,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:34:19" (1/3) ... [2023-04-01 21:35:01,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650df837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:35:01, skipping insertion in model container [2023-04-01 21:35:01,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:30" (2/3) ... [2023-04-01 21:35:01,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650df837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:35:01, skipping insertion in model container [2023-04-01 21:35:01,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:35:01" (3/3) ... [2023-04-01 21:35:01,393 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label55.c [2023-04-01 21:35:01,405 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:35:01,405 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:35:01,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:35:01,555 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;@344d7694, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:35:01,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:35:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 10446 states, 10348 states have (on average 1.9803826826439892) internal successors, (20493), 10349 states have internal predecessors, (20493), 48 states have call successors, (48), 48 states have call predecessors, (48), 48 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-01 21:35:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10222 [2023-04-01 21:35:02,284 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:35:02,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 21:35:02,309 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:35:02,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:35:02,319 INFO L85 PathProgramCache]: Analyzing trace with hash 680011191, now seen corresponding path program 1 times [2023-04-01 21:35:02,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:35:02,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132791106] [2023-04-01 21:35:02,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:35:02,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:35:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:37:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:37:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:37:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 21:37:45,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:37:45,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132791106] [2023-04-01 21:37:45,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132791106] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:37:45,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:37:45,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 21:37:45,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205152129] [2023-04-01 21:37:45,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:37:45,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 21:37:45,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:37:45,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 21:37:45,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 21:37:45,502 INFO L87 Difference]: Start difference. First operand has 10446 states, 10348 states have (on average 1.9803826826439892) internal successors, (20493), 10349 states have internal predecessors, (20493), 48 states have call successors, (48), 48 states have call predecessors, (48), 48 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 5 states, 4 states have (on average 2543.0) internal successors, (10172), 3 states have internal predecessors, (10172), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)