/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_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:32:58,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:32:58,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:32:58,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:32:58,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:32:58,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:32:58,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:32:58,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:32:58,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:32:58,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:32:58,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:32:58,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:32:58,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:32:58,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:32:58,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:32:58,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:32:58,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:32:58,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:32:58,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:32:58,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:32:58,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:32:58,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:32:58,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:32:58,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:32:58,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:32:58,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:32:58,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:32:58,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:32:58,666 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 21:32:58,680 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:32:58,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:32:58,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:32:58,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:32:58,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:32:58,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:32:58,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:32:58,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:32:58,682 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:32:58,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:32:58,682 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:32:58,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:32:58,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:32:58,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:32:58,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:32:58,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:32:58,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:32:58,683 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:32:58,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:32:58,683 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:32:58,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:32:58,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:32:58,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:32:58,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:32:58,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:32:58,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:32:58,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:32:58,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:32:58,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:32:58,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:32:58,684 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:32:58,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:32:58,684 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:32:58,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:32:58,685 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:32:58,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:32:58,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:32:58,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:32:58,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:32:58,826 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:32:58,826 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:32:58,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label47.c [2023-04-01 21:32:59,653 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:33:00,886 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:33:00,888 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label47.c [2023-04-01 21:33:01,005 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4733dc04f/e15b135d16344693bae006d8122af04b/FLAG3057c4316 [2023-04-01 21:33:01,014 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4733dc04f/e15b135d16344693bae006d8122af04b [2023-04-01 21:33:01,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:33:01,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:33:01,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:33:01,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:33:01,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:33:01,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:33:01" (1/1) ... [2023-04-01 21:33:01,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9230eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:01, skipping insertion in model container [2023-04-01 21:33:01,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:33:01" (1/1) ... [2023-04-01 21:33:01,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:33:01,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:33:08,190 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_label47.c[2766942,2766955] [2023-04-01 21:33:08,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:33:08,254 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:33:12,067 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_label47.c[2766942,2766955] [2023-04-01 21:33:12,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:33:12,846 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:33:12,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12 WrapperNode [2023-04-01 21:33:12,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:33:12,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:33:12,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:33:12,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:33:12,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (1/1) ... [2023-04-01 21:33:12,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (1/1) ... [2023-04-01 21:33:13,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (1/1) ... [2023-04-01 21:33:13,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (1/1) ... [2023-04-01 21:33:14,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (1/1) ... [2023-04-01 21:33:15,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (1/1) ... [2023-04-01 21:33:15,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (1/1) ... [2023-04-01 21:33:15,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (1/1) ... [2023-04-01 21:33:15,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:33:15,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:33:15,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:33:15,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:33:15,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (1/1) ... [2023-04-01 21:33:15,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:33:15,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:33:15,901 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 21:33:15,907 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 21:33:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:33:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:33:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:33:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:33:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:33:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:33:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:33:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:33:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:33:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:33:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:33:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:33:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:33:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:33:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:33:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:33:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:33:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:33:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:33:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:33:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:33:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:33:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:33:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:33:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:33:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:33:16,111 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:33:16,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:33:43,233 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:33:43,286 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:33:43,287 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:33:43,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:33:43 BoogieIcfgContainer [2023-04-01 21:33:43,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:33:43,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:33:43,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:33:43,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:33:43,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:33:01" (1/3) ... [2023-04-01 21:33:43,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282e73d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:33:43, skipping insertion in model container [2023-04-01 21:33:43,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:12" (2/3) ... [2023-04-01 21:33:43,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282e73d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:33:43, skipping insertion in model container [2023-04-01 21:33:43,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:33:43" (3/3) ... [2023-04-01 21:33:43,306 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label47.c [2023-04-01 21:33:43,318 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:33:43,318 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:33:43,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:33:43,494 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;@7bcc4e29, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:33:43,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:33:43,527 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 21:33:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10184 [2023-04-01 21:33:44,474 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:33:44,479 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 [2023-04-01 21:33:44,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1561152769, now seen corresponding path program 1 times [2023-04-01 21:33:44,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:33:44,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594688466] [2023-04-01 21:33:44,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:33:44,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:33:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat