/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_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:20:51,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:20:51,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:20:51,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:20:51,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:20:51,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:20:51,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:20:51,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:20:51,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:20:51,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:20:51,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:20:51,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:20:51,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:20:51,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:20:51,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:20:51,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:20:51,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:20:51,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:20:51,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:20:51,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:20:51,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:20:51,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:20:51,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:20:51,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:20:51,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:20:51,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:20:51,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:20:51,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:20:51,302 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 21:20:51,325 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:20:51,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:20:51,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:20:51,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:20:51,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:20:51,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:20:51,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:20:51,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:20:51,327 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:20:51,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:20:51,328 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:20:51,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:20:51,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:20:51,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:20:51,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:20:51,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:20:51,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:20:51,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:20:51,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:20:51,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:20:51,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:20:51,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:20:51,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:20:51,329 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:20:51,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:20:51,329 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:20:51,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:20:51,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:20:51,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:20:51,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:20:51,520 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:20:51,520 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:20:51,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label09.c [2023-04-01 21:20:52,740 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:20:54,085 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:20:54,087 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label09.c [2023-04-01 21:20:54,195 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff5a9095/defa8d695fb549949679e07d31f1b2b6/FLAG014db4111 [2023-04-01 21:20:54,205 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff5a9095/defa8d695fb549949679e07d31f1b2b6 [2023-04-01 21:20:54,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:20:54,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:20:54,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:20:54,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:20:54,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:20:54,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:20:54" (1/1) ... [2023-04-01 21:20:54,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85f1a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:54, skipping insertion in model container [2023-04-01 21:20:54,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:20:54" (1/1) ... [2023-04-01 21:20:54,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:20:54,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:21:01,503 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_label09.c[2768476,2768489] [2023-04-01 21:21:01,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:21:01,567 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:21:05,473 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_label09.c[2768476,2768489] [2023-04-01 21:21:05,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:21:06,229 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:21:06,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06 WrapperNode [2023-04-01 21:21:06,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:21:06,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:21:06,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:21:06,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:21:06,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (1/1) ... [2023-04-01 21:21:06,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (1/1) ... [2023-04-01 21:21:06,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (1/1) ... [2023-04-01 21:21:06,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (1/1) ... [2023-04-01 21:21:08,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (1/1) ... [2023-04-01 21:21:08,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (1/1) ... [2023-04-01 21:21:08,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (1/1) ... [2023-04-01 21:21:08,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (1/1) ... [2023-04-01 21:21:09,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:21:09,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:21:09,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:21:09,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:21:09,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (1/1) ... [2023-04-01 21:21:09,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:21:09,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:21:09,125 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 21:21:09,128 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 21:21:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:21:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:21:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:21:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:21:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:21:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:21:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:21:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:21:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:21:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:21:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:21:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:21:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:21:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:21:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:21:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:21:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:21:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:21:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:21:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:21:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:21:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:21:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:21:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:21:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:21:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:21:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:21:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:21:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:21:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:21:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:21:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:21:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:21:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:21:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:21:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:21:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:21:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:21:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:21:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:21:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:21:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:21:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:21:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:21:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:21:09,356 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:21:09,359 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:21:38,563 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:21:38,608 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:21:38,608 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:21:38,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:21:38 BoogieIcfgContainer [2023-04-01 21:21:38,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:21:38,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:21:38,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:21:38,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:21:38,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:20:54" (1/3) ... [2023-04-01 21:21:38,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba4aa43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:21:38, skipping insertion in model container [2023-04-01 21:21:38,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:06" (2/3) ... [2023-04-01 21:21:38,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba4aa43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:21:38, skipping insertion in model container [2023-04-01 21:21:38,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:21:38" (3/3) ... [2023-04-01 21:21:38,625 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label09.c [2023-04-01 21:21:38,637 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:21:38,637 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:21:38,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:21:38,785 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;@57944191, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:21:38,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:21:38,810 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 21:21:39,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10193 [2023-04-01 21:21:39,461 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:21:39,466 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] [2023-04-01 21:21:39,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:21:39,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:21:39,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1634199466, now seen corresponding path program 1 times [2023-04-01 21:21:39,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:21:39,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011462105] [2023-04-01 21:21:39,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:21:39,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:21:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:24:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:24:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:24:40,468 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 21:24:40,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:24:40,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011462105] [2023-04-01 21:24:40,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011462105] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:24:40,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:24:40,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 21:24:40,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318911503] [2023-04-01 21:24:40,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:24:40,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 21:24:40,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:24:40,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 21:24:40,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 21:24:40,642 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 4 states, 3 states have (on average 3381.0) internal successors, (10143), 2 states have internal predecessors, (10143), 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)