/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_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:33:18,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:33:18,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:33:18,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:33:18,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:33:18,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:33:18,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:33:18,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:33:18,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:33:18,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:33:18,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:33:18,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:33:18,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:33:18,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:33:18,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:33:18,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:33:18,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:33:18,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:33:18,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:33:18,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:33:18,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:33:18,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:33:18,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:33:18,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:33:18,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:33:18,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:33:18,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:33:18,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:33:18,120 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 21:33:18,136 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:33:18,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:33:18,137 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:33:18,137 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:33:18,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:33:18,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:33:18,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:33:18,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:33:18,150 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:33:18,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:33:18,151 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:33:18,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:33:18,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:33:18,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:33:18,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:33:18,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:33:18,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:33:18,152 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:33:18,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:33:18,152 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:33:18,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:33:18,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:33:18,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:33:18,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:33:18,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:33:18,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:33:18,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:33:18,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:33:18,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:33:18,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:33:18,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:33:18,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:33:18,153 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:33:18,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:33:18,153 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:33:18,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:33:18,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:33:18,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:33:18,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:33:18,369 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:33:18,369 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:33:18,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label49.c [2023-04-01 21:33:19,366 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:33:20,404 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:33:20,405 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label49.c [2023-04-01 21:33:20,522 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc975ca2/491fa04c11b94c6c895a330db3ee6939/FLAGb5851c163 [2023-04-01 21:33:20,531 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc975ca2/491fa04c11b94c6c895a330db3ee6939 [2023-04-01 21:33:20,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:33:20,533 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:33:20,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:33:20,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:33:20,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:33:20,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:33:20" (1/1) ... [2023-04-01 21:33:20,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc840a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:20, skipping insertion in model container [2023-04-01 21:33:20,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:33:20" (1/1) ... [2023-04-01 21:33:20,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:33:21,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:33:27,855 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_label49.c[2771201,2771214] [2023-04-01 21:33:27,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:33:27,910 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:33:32,051 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_label49.c[2771201,2771214] [2023-04-01 21:33:32,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:33:32,927 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:33:32,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32 WrapperNode [2023-04-01 21:33:32,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:33:32,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:33:32,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:33:32,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:33:32,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (1/1) ... [2023-04-01 21:33:32,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (1/1) ... [2023-04-01 21:33:33,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (1/1) ... [2023-04-01 21:33:33,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (1/1) ... [2023-04-01 21:33:34,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (1/1) ... [2023-04-01 21:33:35,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (1/1) ... [2023-04-01 21:33:35,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (1/1) ... [2023-04-01 21:33:35,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (1/1) ... [2023-04-01 21:33:36,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:33:36,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:33:36,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:33:36,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:33:36,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (1/1) ... [2023-04-01 21:33:36,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:33:36,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:33:36,163 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 21:33:36,167 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 21:33:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:33:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:33:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:33:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:33:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:33:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:33:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:33:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:33:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:33:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:33:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:33:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:33:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:33:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:33:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:33:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:33:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:33:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:33:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:33:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:33:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:33:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:33:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:33:36,366 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:33:36,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:34:05,743 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:34:05,792 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:34:05,793 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:34:05,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:34:05 BoogieIcfgContainer [2023-04-01 21:34:05,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:34:05,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:34:05,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:34:05,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:34:05,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:33:20" (1/3) ... [2023-04-01 21:34:05,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5a738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:34:05, skipping insertion in model container [2023-04-01 21:34:05,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:33:32" (2/3) ... [2023-04-01 21:34:05,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5a738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:34:05, skipping insertion in model container [2023-04-01 21:34:05,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:34:05" (3/3) ... [2023-04-01 21:34:05,811 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label49.c [2023-04-01 21:34:05,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:34:05,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:34:05,979 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:34:05,986 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;@198d5806, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:34:05,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:34:06,024 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 21:34:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10209 [2023-04-01 21:34:06,827 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:34:06,834 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] [2023-04-01 21:34:06,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:34:06,842 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:34:06,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1681758998, now seen corresponding path program 1 times [2023-04-01 21:34:06,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:34:06,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540888510] [2023-04-01 21:34:06,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:34:06,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:34:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:36:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:36:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:36:56,567 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 21:36:56,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:36:56,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540888510] [2023-04-01 21:36:56,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540888510] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:36:56,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:36:56,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 21:36:56,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747979576] [2023-04-01 21:36:56,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:36:56,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 21:36:56,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:36:56,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 21:36:56,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 21:36:56,778 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 2539.75) internal successors, (10159), 3 states have internal predecessors, (10159), 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)